Shortcut Virus Remover using C#
Posted by Samath
Last Updated: December 30, 2016

This program removes the virus that creates shortcuts in USB Drive and computer. 

Code:

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Runtime.InteropServices;
using System.Drawing;
using System.Xml.Linq;
using System.Security.Principal ;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Microsoft.Win32;
using System.Diagnostics;
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        [DllImport("user32.dll")]
        public static extern IntPtr SendMessage(IntPtr hwnd, uint msg, uint wParam, uint lParam);
        const Int32 BTN_SHIELD = 0x160C;
        Int32 ErrorCount=0;
        List<string>  ListOfVirusToScanFor,ErrorList;
        List<string> VirusPaths = new List<string>();
        List<string> VbList;
        string savecheckedfiles=Path.GetDirectoryName(Application.ExecutablePath) + "\\chki.txt";
        Boolean wsRunning, ORunning=false ;
        public static void AddShieldToScanAsButton(Button btn)
        {
            SendMessage(btn.Handle, BTN_SHIELD, 0, 0xFFFFFFFF);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ErrorList = new List<string>();
            //get all connected drives in this computer
            foreach (string USBorHdd in Environment.GetLogicalDrives())
            {
               //check if drive can be used
                if (new DriveInfo(USBorHdd).IsReady == true)
                {
                    //in this version, we wont scan cd/dvd
                    if (new DriveInfo(USBorHdd).DriveType != DriveType.CDRom)
                    {
                        try
                        {
                            ListView1.Items.Add(USBorHdd + new DriveInfo(USBorHdd).VolumeLabel);
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add(ex.Message);
                        }
                    }
                }
            }
            //check if current user account is the member of administrator
            WindowsIdentity Windentity =  WindowsIdentity.GetCurrent ();
            WindowsPrincipal wPrincipal = new WindowsPrincipal(Windentity);
            if (wPrincipal.IsInRole(WindowsBuiltInRole.Administrator) == true)
            {
                ButtonScanAs.Visible = false;
                //relocate scan and close button
                buttonScan.Location = new Point(buttonScan.Location.X + 95, buttonScan.Location.Y);
                buttonClose.Location = new Point(buttonClose.Location.X - 20, buttonClose.Location.Y);
                if (File.Exists(savecheckedfiles) == true)
                {
                    foreach (string line in File.ReadAllLines(savecheckedfiles))
                    {
                        for (Int32 i = 0; i < ListView1.Items.Count - 1; i++)
                        {
                            if (ListView1.Items[i].Text == line)
                            {
                                ListView1.Items[i].Checked = true;
                            }
                        }
                    }
                }
                else
                {
                    
                    ComboBox1.SelectedIndex = 0;
                }
            }
            else
            {
                //Add shield in scan as button
                AddShieldToScanAsButton(ButtonScanAs);
                //select the first item in the combobox
                ComboBox1.SelectedIndex = 0;
            }
        }

        private void buttonScan_Click(object sender, EventArgs e)
        {

            ListOfVirusToScanFor = new List<string>(new string[] { "new folder.exe", "newfolder.exe","srvidd20.exe","iddono20.exe","editor.exe", "doieuln.dll", "svchost .exe", "scvshosts.exe", "scvhsot.exe", "scvvhsot.exe", "hinhem.scr", "regsvr.exe", "blastclnnn.exe", "autorun.ini" });
            VbList = new List<string>(new string[] { "*.vbs", "*.vbe" });
            ListView1.Enabled = buttonScan.Enabled = buttonView.Visible = false;
            LabelNotification.Text = "Getting processes and check processes.";
            foreach (Process Wscript in Process.GetProcesses())
            {
               //check if wscript is running
                if (Wscript.ProcessName.ToLower () == "wscript")
                {
                    wsRunning = true;
                }
                //this is virus name its like this tmp####.tmp.exe
                if ((Wscript.ProcessName.StartsWith("tmp") == true) && (Wscript.ProcessName.EndsWith(".tmp") == true))
                {
                    VirusPaths.Add(Wscript.MainModule.FileName);
                    ORunning = true;
                }
                foreach (string VirusInList in ListOfVirusToScanFor.ToArray())
                {
                    if (Wscript.ProcessName.ToLower() == VirusInList)
                    {
                        ORunning = true;
                    }
                }
            }
            if (wsRunning == true)
            {
                foreach (Process currentRunningProcess in Process.GetProcessesByName("wscript"))
                {
                    LabelNotification.Text = "Ending process.";
                Retry:
                    bool FailedError = false;
                try
                {
                    //close wscript, so that we can unhide files that hidden by the wscript
                    currentRunningProcess.Kill();
                    LabelNotification.Text = "Process was ended successfully";
                }
                catch (Exception ex)
                {
                    ErrorCount++;
                    if (ErrorCount == 2)
                    {
                        MessageBox.Show(ex.Message + "This application is going to close, and try restarting your computer and run this application again, Sorry");
                        //start windows explorer
                        Process.Start("Explorer.exe");
                        this.Close();
                    }
                    FailedError = true;
                }
                if (FailedError == true)
                {
                    //get explorer in current running process
                    foreach (Process XplorerRunningProcess in Process.GetProcessesByName("explorer"))
                    {
                        try
                        {
                            //close windows explorer
                            XplorerRunningProcess.Kill();
                            goto Retry;
                        }catch (Exception ex)
                        {
                            ErrorList.Add("Failed to end process '" + Path.GetFileName(XplorerRunningProcess.MainModule.FileName) + "' because " + ex.Message);
                        }
                    }
                }
                }
                LabelNotification.Text = "Scanning Drives";
                /*check in startup folder and in temporary folder
            'Winlog virus */
             
                foreach (string VbsFile in Directory .EnumerateFiles (Environment.GetFolderPath(Environment.SpecialFolder.Startup),"*.vbs"))
                {
                    if (File.Exists(VbsFile) == true)
                    {
                        VirusPaths.Add( VbsFile );
                    }
                }
                foreach (string vbscript in VbList.ToArray())
                {

                    foreach (string vbsfile in (Directory.EnumerateFiles(Path.GetTempPath(), vbscript)))
                    {
                        if (File.Exists(vbsfile) == true)
                        {
                            VirusPaths.Add(vbsfile);
                        }
                    }

                    //search for vbs files in ther user profile folder
                    foreach (string vfile in Directory.EnumerateFiles(System.Environment.GetEnvironmentVariable("USERPROFILE"), vbscript))
                    {
                        VirusPaths.Add(vfile);
                    }
                    //get the drives checked
                    foreach (ListViewItem Checkeditems in ListView1.CheckedItems)
                    {
                        string USBorHdd = Checkeditems.Text;
                        //get path root 
                        string DriveName = USBorHdd.Substring(0, 3);
                        bool isBusy = new DriveInfo(DriveName).IsReady;
                        //check if drive can be used
                        if (isBusy == true)
                        {

                            foreach (string vbsfile in Directory.EnumerateFiles(DriveName, vbscript))
                            {
                                if (File.Exists(vbsfile) == true)
                                {
                                    VirusPaths.Add(vbsfile);
                                }
                            }
                        }
                    }
                }
            }
            else if (ORunning == true)
            {
                LabelNotification.Text = "Please wait...";
                foreach (string VinList in ListOfVirusToScanFor.ToArray())
                {
                    string Vlist;
                    Vlist = VinList.Remove(VinList.Length - 4, 4);
                    foreach (Process curProc in Process.GetProcessesByName(Vlist))
                    {
                        //check if path exist
                        if (File.Exists(curProc.MainModule.FileName) == true)
                        {
                            //add file path into the list
                            VirusPaths.Add(curProc.MainModule.FileName);
                        }
                        try
                        {
                            //end process
                            curProc.Kill();
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add("Failed to end process '" + Path.GetFileName(curProc.MainModule.FileName) + "' because " + ex.Message);
                        }
                    }
                }

                 //check if current user account is the member of administrator
            WindowsIdentity Windentity =  WindowsIdentity.GetCurrent ();
            WindowsPrincipal wPrincipal = new WindowsPrincipal(Windentity);
               if (wPrincipal.IsInRole(WindowsBuiltInRole.Administrator) == true)
               {
                   List <string > SuspectedPath=new List<string> (new string[] {Environment.SystemDirectory, Environment.GetEnvironmentVariable("WINDIR"), Environment.GetEnvironmentVariable("APPDATA"), Environment.GetEnvironmentVariable("TEMP"), Environment.GetFolderPath(Environment.SpecialFolder.Startup), System.Environment.GetEnvironmentVariable("USERPROFILE")});
              RegistryKey regkey=Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
              foreach (string Startupfiles in regkey.GetValueNames())
              {
                  foreach (string vinlist in ListOfVirusToScanFor.ToArray())
                  {
                      if (Startupfiles.Contains(vinlist) == true)
                      {
                          if (File.Exists(regkey.GetValue(Startupfiles).ToString()) == true)
                          {
                              VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                              try
                              {
                                  regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                              }
                              catch (Exception ex)
                              {
                                  ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles ).ToString() + "' because " + ex.Message);
                              }
                          }
                      }
                      else if (Startupfiles.StartsWith("rundll32.exe") == true)
                      {
                          VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                          try
                          {
                              regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                          }
                          catch (Exception ex)
                          {
                              ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles).ToString() + "' because " + ex.Message);
                          }
                      }
                      else if (Startupfiles.Contains("ServiceDll") == true)
                      {
                          VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                          try
                          {
                              regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                          }
                          catch (Exception ex)
                          {
                              ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles).ToString() + "' because " + ex.Message);
                          }
                      }
                  }

                  //This virus disable task manager, regedit, no folder option
                //Enable Task manager, regedit, no folder option in the LocalMachine
                  regkey =Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", true);
                  regkey.SetValue("DisableTaskMgr", 0, RegistryValueKind.DWord);
                regkey.SetValue("DisableRegistryTools", 0, RegistryValueKind.DWord);
                regkey.SetValue("NoFolderOptions", 0, RegistryValueKind.DWord);
                regkey.SetValue("Hidden", 1, RegistryValueKind.DWord);
                regkey.Close();

                  //open registry
                regkey = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
                foreach (string startupfiles in regkey.GetValueNames())
                {
                    foreach (string vinlist in ListOfVirusToScanFor.ToArray())
                    {
                        if (startupfiles.Contains(vinlist) == true)
                        {
                            if (File.Exists(regkey.GetValue(startupfiles).ToString()) == true)
                            {
                                VirusPaths.Add(regkey.GetValue(startupfiles).ToString());
                                try
                                {
                                    regkey.DeleteValue(regkey.GetValue(startupfiles).ToString());
                                }
                                catch (Exception ex)
                                {
                                    ErrorList.Add("Failed deleting '" + regkey.GetValue(startupfiles).ToString() + "' because " + ex.Message);
                                }
                            }
                        }
                        else if (startupfiles.StartsWith("rundll32.exe") == true)
                        {
                            VirusPaths.Add(regkey.GetValue(startupfiles).ToString());
                            try
                            {
                                regkey.DeleteValue(regkey.GetValue(startupfiles).ToString());
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed deleting '" + regkey.GetValue(startupfiles).ToString() + "' because " + ex.Message);
                            }
                        }
                        else if (startupfiles.Contains("ServiceDll") == true)
                        {
                            VirusPaths.Add(regkey.GetValue(startupfiles).ToString());
                            try
                            {
                                regkey.DeleteValue(regkey.GetValue(startupfiles).ToString());
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed deleting '" + regkey.GetValue(startupfiles).ToString() + "' because " + ex.Message);
                            }
                        }
                    }
                }
//for vista and later operating system, the malware changes the global setting for TCP Receive Window Autotuning to disabled
                //so to change it back
                Process.Start("cmd.exe netsh interface tcp set global autotuninglevel=normal");
               regkey =Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", true);
                regkey.SetValue("DisableTaskMgr", 0, RegistryValueKind.DWord);
                regkey.SetValue("DisableRegistryTools", 0, RegistryValueKind.DWord);
                regkey.SetValue("NoFolderOptions", 0, RegistryValueKind.DWord);
                regkey.SetValue("Hidden", 1, RegistryValueKind.DWord);
                regkey = Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon", true);
                regkey.SetValue("Shell", "explorer.exe");
                LabelNotification.Text = "Accessing Windows Folders";
                LabelNotification.Text = "Please wait...";
                  foreach (string spath in SuspectedPath )
                  {
                      foreach (string vinlist in ListOfVirusToScanFor .ToArray ())
                      {
                          string scpath=spath + "\\" + vinlist ;
                          if (File .Exists (scpath )==true )
                          {
                              VirusPaths .Add (scpath );
                          }
                      }
                  }
                  
                  
              }
               }else 
               {
RegistryKey  regkey =Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System", true);
                  regkey.SetValue("DisableTaskMgr", 0, RegistryValueKind.DWord);
                regkey.SetValue("DisableRegistryTools", 0, RegistryValueKind.DWord);
                regkey.SetValue("NoFolderOptions", 0, RegistryValueKind.DWord);
                regkey.SetValue("Hidden", 1, RegistryValueKind.DWord);
                regkey.Close();

                  //open registry
                regkey = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
                foreach (string Startupfiles in regkey.GetValueNames())
                {
                    foreach (string vinlist in ListOfVirusToScanFor.ToArray())
                    {
                        if (Startupfiles.Contains(vinlist) == true)
                        {
                            if (File.Exists(regkey.GetValue(Startupfiles).ToString()) == true)
                            {
                                VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                                try
                                {
                                    regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                                }
                                catch (Exception ex)
                                {
                                    ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles).ToString() + "' because " + ex.Message);
                                }
                            }
                        }
                        else if (Startupfiles.StartsWith("rundll32.exe") == true)
                        {
                            VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                            try
                            {
                                regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles).ToString() + "' because " + ex.Message);
                            }
                        }
                        else if (Startupfiles.Contains("ServiceDll") == true)
                        {
                            VirusPaths.Add(regkey.GetValue(Startupfiles).ToString());
                            try
                            {
                                regkey.DeleteValue(regkey.GetValue(Startupfiles).ToString());
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed deleting '" + regkey.GetValue(Startupfiles).ToString() + "' because " + ex.Message);
                            }
                        }
                    }
                }
               }
            }


            if (VirusPaths.Count > 0)
            {
                foreach (string suspectedFile in VirusPaths.ToArray())
                {
                    Application.DoEvents();
                    //get path root
                    string getPathDrive = Path.GetPathRoot(suspectedFile);
                    try
                    {
                        //get drive name and label(volume)
                        string DriveName = new DriveInfo(getPathDrive).Name + new DriveInfo(getPathDrive).VolumeLabel;

                    }catch (Exception ex)
                    {
                        ErrorList.Add("failed to scan '" + getPathDrive + "' because " + ex.Message);
                    }
                    //search for shortcuts files in the checkeddrives path
                  
                    foreach (string ShortcutFile in Directory.EnumerateFiles(getPathDrive, "*.lnk", SearchOption.TopDirectoryOnly))
                    {
                        Application.DoEvents();
                        try
                        {
                            LabelNotification.Text = "Deleting Shortcuts in " + getPathDrive;
                            //delete shortcut
                            File.Delete(ShortcutFile);
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add("Failed Deleting '" + ShortcutFile + "' because " + ex.Message);
                        }
                    }
                    LabelNotification.Text = "Getting folders in " + getPathDrive;
                    //get folders
                 
                    foreach (string sfolder in Directory.EnumerateDirectories(getPathDrive))
                    {
                        Application.DoEvents();
                        DirectoryInfo foldertohide = new DirectoryInfo(sfolder);
                        LabelNotification.Text = "Unhidding folder(" + foldertohide.Name  + ")";
                        try
                        {
                            //unhide folder
                            foldertohide.Attributes = FileAttributes.Normal;
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add("Failed unhidding folder '" + foldertohide.Name + "' because " + ex.Message);
                        }
                    }
                    //get files
                  foreach (string fileindrive in Directory.EnumerateFiles(getPathDrive, "*.*", SearchOption.TopDirectoryOnly))
                    {
                        Application.DoEvents();
                        FileInfo filetounhide = new FileInfo(fileindrive);
                        //check if filehave two extension
                        string checkextraext = fileindrive.Remove(fileindrive.Length - 4, 4);
                        if (File.Exists(checkextraext) == true)
                        {
                            try
                            {
                                File.Delete(fileindrive);
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed to delete '" + fileindrive + "' because " + ex.Message);
                            }
                            
                        }
                        try
                        {
                            LabelNotification.Text = "Unhidding file (" + filetounhide.Name + ")";
                            //unhide folder
                            filetounhide.Attributes = FileAttributes.Normal;
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add("Failed unhidding file '" + filetounhide.Name + "' because " + ex.Message);
                        }
                    }
                    if (File.Exists(suspectedFile) == true)
                    {
                        try
                        {
                            File.Delete(suspectedFile);
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add("Failed deleting '" + suspectedFile + "' because " + ex.Message);
                        }
                    }
                }
                    LabelNotification.Text = "Checking Registries.";
                    
                    RegistryKey Regkey = Registry.CurrentUser.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
                    foreach (string Regword in Regkey.GetValueNames())
                    {
                        string RegData = Regkey.GetValue(Regword).ToString();
                        foreach (string vbscript in VbList.ToArray())
                        {
                            //check if there is a .vbs file
                            if (RegData.Contains(vbscript) == true)
                            {
                                try
                                {//delete registry value
                                    Regkey.DeleteValue(Regword);
                                }
                                catch (Exception ex)
                                {
                                    ErrorList.Add("Failed accessing Registry because " + ex.Message);
                                }
                            }
                        }
                    }
                    WindowsIdentity Windentity =  WindowsIdentity.GetCurrent ();
            WindowsPrincipal wPrincipal = new WindowsPrincipal(Windentity);
            if (wPrincipal.IsInRole(WindowsBuiltInRole.Administrator) == true)
            {
                RegistryKey Regkey2 = Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows\\CurrentVersion\\Run", true);
                foreach (string Regword in Regkey2.GetValueNames())
                {
                    string RegData = Regkey2.GetValue(Regword).ToString();
                    foreach (string vbscript in VbList.ToArray())
                    {
                        //check if there is a .vbs file
                        if (RegData.Contains(vbscript) == true)
                        {
                            try
                            {
                                //delete registry value
                                Regkey2.DeleteValue(Regword);
                            }
                            catch (Exception ex)
                            {
                                ErrorList.Add("Failed accessing Registry because " + ex.Message);
                            }
                        }
                    }
                }
            }
            }
            if (ErrorCount > 0)
            {
                //start windows explorer
                Process.Start("Explorer.exe");
            }

            if (ErrorList.Count > 0)
            {
                buttonView.Visible = true;
            }
            LabelNotification.Text = "Done Scanning there were " + VirusPaths.Count + " files found.";
            MessageBox.Show(LabelNotification.Text);
            VirusPaths = new List<string>();
            wsRunning = false;
            ORunning = false;
            ListView1.Enabled = buttonScan.Enabled = true;
            buttonScan.Focus();
        }
        Int32 NoOfClick;
        private void buttonView_Click(object sender, EventArgs e)
        {
            NoOfClick++;
            if (NoOfClick == 1)
            {
                ListView1.Visible = buttonScan.Enabled = ButtonScanAs.Enabled = ComboBox1.Visible = LinkLabel1.Enabled = false;
                ButtonSave.Visible =  ListBox1.Visible = true;
                buttonView.Text = "&Done";
                foreach (string sd in ErrorList)
                {
                    ListBox1.Items.Add(sd);
                }
            }
            else if (NoOfClick ==2)
            {
                 //clear listbox
            ListBox1.Items.Clear();
            ListView1.Visible = buttonScan.Enabled = ButtonScanAs.Enabled = ComboBox1.Visible = LinkLabel1.Enabled = true;
            ButtonSave.Visible = ListBox1.Visible = false ;
           //change buttonview text
            buttonView.Text = "Vie&w Errors";
                NoOfClick = 0;
            }
        }

        private void ListView1_ItemChecked(object sender, ItemCheckedEventArgs e)
        {
            if (ListView1.CheckedItems.Count < 1)
            {ComboBox1.SelectedIndex = 2;
            //disable start button since there is nothing checked
            buttonScan.Enabled = ButtonScanAs.Enabled = false;
            
            }
            else
            {
                ComboBox1.SelectedIndex = 1;
            buttonScan.Enabled = true;
            ButtonScanAs.Enabled = true;
            }
        }

        private void ComboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            if (ComboBox1.SelectedIndex == 0)
            {
                //check all items in the listview
                foreach (ListViewItem Litem in ListView1.Items)
                {
                    Litem.Checked = true;
                }

                ComboBox1.SelectedIndex = 0;
            }
            else if (ComboBox1.SelectedIndex == 2)
            {
                //check all items in the listview
                foreach (ListViewItem Litem in ListView1.Items)
                {
                    Litem.Checked = false ;
                }
                ComboBox1.SelectedIndex = 2;
            }
        }

        private void LinkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            ListView1.Items.Clear();
            foreach (string USBorHdd in Environment.GetLogicalDrives())
            {
               
                //check if drive can be used
                if (new DriveInfo(USBorHdd).IsReady == true)
                {
                    if (new DriveInfo(USBorHdd).DriveType != DriveType.CDRom)
                    {
                        try
                        {
                            
                            ListView1.Items.Add(USBorHdd + new DriveInfo(USBorHdd).VolumeLabel);
                        }
                        catch (Exception ex)
                        {
                            ErrorList.Add(ex.Message);
                        }
                    }
                }
            }
            ComboBox1.SelectedIndex = 0;
        }
        
        private void ButtonSave_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog() { Filter = "Text Files|*.txt" };
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                Application.DoEvents();
                LabelNotification.Text = "Please wait: Saving";
                foreach (string sline in ListBox1.Items)
                {
                    File.AppendAllText(sfd.FileName, sline + Environment .NewLine );
                }
                LabelNotification.Text = "Done Saving";
            }
        }
        bool isElevated = false;
        private void ButtonScanAs_Click(object sender, EventArgs e)
        {
            ProcessStartInfo ElevateProcess = new ProcessStartInfo();
            ElevateProcess.FileName = Application.ExecutablePath;
            ElevateProcess.WorkingDirectory = Environment.CurrentDirectory;
            ElevateProcess.UseShellExecute = true;
            ElevateProcess.Verb = "runas";

            try
            {
                Process.Start(ElevateProcess);
            }
            catch (System.ComponentModel.Win32Exception )
            {
                return;
            }
            isElevated = true;
            //close the current process
            Application.Exit();
        }

        private void buttonClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

  
        private void CheckBoxForceScan_CheckedChanged(object sender, EventArgs e)
        {
            if (CheckBoxForceScan.Checked == true)
            {
                wsRunning = ORunning = true;
                MessageBox.Show("Force Scan activated.");
                buttonScan.Focus();
            }
            else
            {
                wsRunning = ORunning = false ;
                MessageBox.Show("Force Scan is not activated.");
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (isElevated == true)
            {
                foreach (ListViewItem checkeditem in ListView1.CheckedItems)
                {
                    try
                    {
                        File.AppendAllText(savecheckedfiles, checkeditem.Text + Environment .NewLine );
                    }
                    catch (Exception)
                    {
                    }
                }
            }
        }
    }
}

 

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