WORM_TASKILL.TEL

To identify and delete the malware/grayware file:

• On Windows XP and Server 2003 systems:

1. Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
2. Click Start>Run. In the Open input box, type secpol.msc and press Enter.
3. In the left panel, double-click Local Policies>Security Options.
4. In the right panel, double-click Recovery Console: Allow floppy copy and access to all drives and folders.
5. Select Enabled and click OK.
6. Insert the Windows Installation CD into the CD drive, then restart your computer.
7. When prompted, press any key to boot from the CD.
8. On the main menu, type r to go to the Recovery Console.
9. Type the number that corresponds to the drive and directory that contains Windows (usually C:\WINDOWS) and press Enter.
10. Type the Administrator password and press Enter.
11. In the input box, type the following then press Enter:
    SET AllowAllPaths = TRUE
    del "{malware/grayware path and file name}"
12. Type exit and press Enter to restart the system normally.

• On Windows Vista and 7 systems:

1. Scan your computer with your Trend Micro product and then take note of the names of the malware/grayware files detected.
2. Insert your Windows Installation DVD in the DVD drive, then Press the restart button.
3. When prompted, press any key to boot from the CD.
4. Depending on your Windows Installation DVD, you might be required to select the installation language. Then on the Install Windows window, choose your language, locale, and keyboard layout or input method. Click Next, then click Repair your computer.
5. Select Use recovery tools that can help fix problems starting Windows. Select your installation of Windows. Click Next.
6. If the Startup Repair window appears, click Cancel, Yes, then Finish.
7. In the System Recovery Options window, click Command Prompt.
8. In the Command Prompt window, type the following then press Enter:
   BootRec.exe /fixmbr
   del "{malware/grayware path and file name}"
9. Type exit and press Enter to close the Command Prompt window.
10. Click Restart to restart the system normally.

To enable Registry Editor, Task Manager, and Folder options:

1. Open Notepad. To do this:
   
   • For Windows 2000, XP, and Server 2003 users:
     Click Start>Run, type Notepad in the text box provided, then press Enter.
   • For Windows Vista and 7 users:
     Click start. Type Notepad , then press Enter.
2. Copy and paste the following script:
   On Error Resume Next Set shl = WScript.CreateObject("WScript.Shell") shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools" shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr" shl.RegDelete "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions" shl.RegDelete "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions"
3. Save this file as C:\RESTORE.VBS.
4. Click Start>Run again, type C:\RESTORE.VBS in the text box provided, then press Enter.
5. Click Yes at the prompt of the message box to execute the .VBS file.

To delete the registry key this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies
3. Still in the left panel, locate and delete the key:
   System
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>Software>Microsoft>Shared Tools>Msconfig
5. Still in the left panel, locate and delete the key:
   startupeg
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>Software>Microsoft>Shared Tools>Msconfig>startupeg
7. Still in the left panel, locate and delete the key:
   My_Love
8. Again Still in the left panel, locate and delete the key:
   MyDream
9. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Policies>Microsoft>Windows
10. Still in the left panel, locate and delete the key:
    System
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>Software>Microsoft>Windows>CurrentVersion>Policies
12. Still in the left panel, locate and delete the key:
    Explorer
13. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>Software>Policies>Microsoft>Windows
14. Still in the left panel, locate and delete the key:
    System
15. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Group Policy Objects>LocalUser>Software>Microsoft>Windows>CurrentVersion>Policies
16. Still in the left panel, locate and delete the key:
    System
17. Close Registry Editor.

To delete the registry value this malware/grayware created:

1. Open Registry Editor. Click Start>Run, type REGEDIT, then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   MISS_U = "%System%\Config\USERXP.exe"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
5. In the right panel, locate and delete the entry:
   Love = "%System%\Config\USERXP.exe"
6. Again In the right panel, locate and delete the entry:
   USERXP = "%System%\Config\USERXP.exe"
7. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Shared Tools>Msconfig>startupeg
8. In the right panel, locate and delete the entry:
   Command = "%System%\Config\USERXP.exe"
9. Again In the right panel, locate and delete the entry:
   hkey = "HKCU"
10. Again In the right panel, locate and delete the entry:
    inimapping = "1"
11. Again In the right panel, locate and delete the entry:
    Key = "Software\Microsoft\Windows NT\CurrentVersion\Windows"
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Windows
13. In the right panel, locate and delete the entry:
    KILLME = "%System%\Config\USERXP.exe"
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Shared Tools>Msconfig>startupeg>My_Love
15. In the right panel, locate and delete the entry:
    Command = "%System%\Config\Killer.exe"
16. Again In the right panel, locate and delete the entry:
    hkey = "HKCU"
17. Again In the right panel, locate and delete the entry:
    inimapping = "1"
18. Again In the right panel, locate and delete the entry:
    Key = "Software\Microsoft\Windows NT\CurrentVersion\Windows"
19. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Shared Tools>Msconfig>startupeg>MyDream
20. In the right panel, locate and delete the entry:
    Command = "%System%\Config\USERXP.exe"
21. Again In the right panel, locate and delete the entry:
    hkey = "HKCU"
22. Again In the right panel, locate and delete the entry:
    inimapping = "1"
23. Again In the right panel, locate and delete the entry:
    Key = "Software\Microsoft\Windows NT\CurrentVersion\Windows"
24. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Policies>Microsoft>Windows>System
25. In the right panel, locate and delete the entry:
    DisableCMD = "1"
26. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer
27. In the right panel, locate and delete the entry:
    NoControlPanel = "1"
28. Again In the right panel, locate and delete the entry:
    NoRun = "1"
29. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Policies>Microsoft>Windows>System
30. In the right panel, locate and delete the entry:
    DisableGPO = "1"
31. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>System
32. In the right panel, locate and delete the entry:
    NoDispCPL = "1"
33. Again In the right panel, locate and delete the entry:
    NoRun = "1"
34. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Group Policy Objects>LocalUser>Software>Microsoft>Windows>CurrentVersion>Policies>System
35. In the right panel, locate and delete the entry:
    DisableRegistryTools = "1"
36. Again In the right panel, locate and delete the entry:
    NoSearch = "1"
37. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>AllFilesystemObjects>shellex>ContextMenuHandlers
38. In the right panel, locate and delete the entry:
    ShortcutShredXP = "1"
39. Again In the right panel, locate and delete the entry:
    NoViewContextMenu = "1"
40. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Control Panel>Desktop
41. In the right panel, locate and delete the entry:
    Wallpaperoriginy = "Distance in Pixels"
42. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies
43. In the right panel, locate and delete the entry:
    NoDispAppearancePage = "1"
44. Again In the right panel, locate and delete the entry:
    NoDispBackgroundPage = "1"
45. Again In the right panel, locate and delete the entry:
    NoDispScrSavPage = "1"
46. Again In the right panel, locate and delete the entry:
    NoDispSettingsPage = "1"
47. Close Registry Editor.

To restore registry values this malware/grayware modified:

1. Open Registry Editor. To do this:
   
   • On Windows 2000, XP, and Server 2003:
     Click Start>Run, type REGEDIT in the text box provided, and then press Enter.
   • On Windows Vista and 7:
     Click the Start button, type REGEDIT in the Search input field then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Control Panel>Desktop
3. In the right panel, locate the registry value:
   PowerOffActive = "1"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   PowerOffActive = "0"
5. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Control Panel>Desktop>WindowMetrics
6. In the right panel, locate the registry value:
   Shell Icon Size = "32"
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Shell Icon Size = "32"
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Winlogon
9. In the right panel, locate the registry value:
   Shell = "Explorer.exe %System%\USERXP.exe"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Shell = "Explorer.exe"
11. Close Registry Editor.