WORM_SILLY.ACC

To identify and delete of malware/grayware files:

1. Insert your Windows Installation CD in your CD-rom.
2. Press the restart button of your computer.
3. When prompted, press any key to boot from the CD.
4. When prompted on the Main Menu, type r to enter the recovery console.
   (Note: On Windows 2000, after pressing r, type c to choose the Recovery Console in the repair options screen.)
5. When prompted, type your administrator password to log on.
6. Once logged in, type the drive that contains Windows in the command prompt that appears, then press Enter.
7. Type the drive that contains Windows, then press Enter.
8. Type the following, then press Enter:
   del {malware/grayware path and file name}
9. Repeat the above procedure for all files detected earlier.
10. Type exit to restart the system.

To delete malware/grayware folders:

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   
    %Windows%\K.Backup
   %Application Data%\Microsoft\CD Burning
3. In the Look In drop-down list, select My Computer, then press Enter.
4. Once located, select the folder then press SHIFT+DELETE to permanently delete the folder.
5. Repeat the said steps for all folders listed.

To delete the malware/grayware/spyware file:

1. Right-click Start then click Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   
   %Windows%\inf\Autoplay.inF
   %Windows%\Tasks\At1.job
   %Windows%\Tasks\At2.job
   %Common Startup%\(Empty).LNK 
3. In the Look In drop-down list, select My Computer, then press Enter.
4. Once located, select the file then press SHIFT+DELETE to permanently delete the file.

To enable Registry Editor:

1. Open Notepad. To do this, click Start>Run, type Notepad in the text box provided, then press Enter.
2. Copy and paste the following script:
   <div>On Error Resume Next</div><div>Set shl = CreateObject(WScript.Shell)</div><div>Set fso = CreateObject(scripting.FileSystemObject)</div><div>shl.RegDelete HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools</div><div>shl.RegDelete </div>
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 restore the registry value this malware/grayware modified:

1. Open Registry Editor. Click Start>Run, type REGEDIT in the text box provided, and then press Enter.
2. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
3. In the right panel, locate the registry value:
   Hidden = 0
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Hidden = 1
5. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Explorer
6. In the right panel, locate the registry value:
   NoDriveTypeAutoRun = ff
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   NoDriveTypeAutoRun = 91
8. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows NT>CurrentVersion>Windows
9. In the right panel, locate the registry value:
   load = %System%\KHATRA.exe
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    load = {blank}
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer>Advanced>Folder>Hidden>SHOWALL
12. In the right panel, locate the registry value:
    CheckedValue = 0
13. Right-click on the value name and choose Modify. Change the value data of this entry to:
    CheckedValue = 1
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>mnmsrvc
15. In the right panel, locate the registry value:
    Start = 2
16. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
17. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>NtmsSvc
18. In the right panel, locate the registry value:
    Start = 2
19. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
20. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>ProtectedStorage
21. In the right panel, locate the registry value:
    Start = 4
22. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
23. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>RDSessMgr
24. In the right panel, locate the registry value:
    Start = 2
25. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
26. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>Schedule
27. In the right panel, locate the registry value:
    NextAtJobI = 3
28. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NextAtJobI = 1
29. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>TermService
30. In the right panel, locate the registry value:
    Start = 2
31. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
32. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>TlntSvr
33. In the right panel, locate the registry value:
    Start = 2
34. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
35. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>upnphost
36. In the right panel, locate the registry value:
    Start = 2
37. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 3
38. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>wscsvc
39. In the right panel, locate the registry value:
    Start = 4
40. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Start = 2
41. Close Registry Editor.

To delete registry keys this malware/grayware created:

1. Open Registry Editor. To do this, click Start>Run, type regedit in the text box provided, then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   
3. Still in the left panel, locate and delete the key:
   
4. In the left panel of the Registry Editor window, double-click the following:
   In HKEY_CURRENT_USER\SoftwareNico Mak Computing
5. Still in the left panel, locate and delete the key:
   
6. In the left panel of the Registry Editor window, double-click the following:
   In HKEY_LOCAL_MACHINE\SOFTWAREKHATRA
7. Still in the left panel, locate and delete the key:
   
8. Close Registry Editor.

To delete the registry value this malware created:

1. Open Registry Editor. To do this, click Start>Run, type regedit in the text box provided, then press Enter.
2. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
3. In the right panel, locate and delete the entry:
   Window Title = Internet Exploiter
4. In the left panel of the Registry Editor window, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Policies>Explorer
5. In the right panel, locate and delete the entry:
   NoControlPanel = 1
6. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>Schedule
7. In the right panel, locate and delete the entry:
   AtTaskMaxHours = 0
8. In the left panel of the Registry Editor window, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Services>SharedAccess>Parameters>FirewallPolicy>StandardProfile>AuthorizedApplications>List
9. In the right panel, locate and delete the entry:
   %System%\KHATRA.exe = %System%\KHATRA.exe:*:Enabled:System
10. Again In the right panel, locate and delete the entry:
    NoControlPanel = 1
11. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Tracing>FWCFG
12. In the right panel, locate and delete the entry:
    EnableFileTracing = 0
13. Again In the right panel, locate and delete the entry:
    EnableConsoleTracing = 0
14. Again In the right panel, locate and delete the entry:
    FileTracingMask = ffff0000
15. Again In the right panel, locate and delete the entry:
    ConsoleTracingMask = ffff0000
16. Again In the right panel, locate and delete the entry:
    MaxFileSize = 00100000
17. Again In the right panel, locate and delete the entry:
    FileDirectory = %windir%\tracing
18. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer>Run
19. In the right panel, locate and delete the entry:
    G_Host = %WINDOWS%\System>gHost.exe /Reproduce
20. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
21. In the right panel, locate and delete the entry:
    Xplorer = %WINDOWS%\Xplorer.exe /Windows
22. In the left panel of the Registry Editor window, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>Winlogon
23. In the right panel, locate and delete the entry:
    Taskman = %System%\KHTRA.exe
24. Close Registry Editor.

To identify and delete AUTORUN.INF files created:

1. Right-click the Start button then choose Search... or Find..., depending on the version of Windows you are running.
2. In the Named input box, type:
   AUTORUN.INF
3. In the Look in: drop-down list, select a drive, then press Enter.
4. Select the file, then open using Notepad.
5. Check if the following lines are present in the file:
   
   [Autorun]
   Open=KHATRA.exe /OpenDrive
   ShellExecute=KHATRA.exe /OpenDrive
   Shell\Open\Command=KHATRA.exe /OpenDrive
   Shell\Open\Default=1
   Shell\Explore\Command=KHATRA.exe /ExploreDrive
   Shell\Scan for viruses=KHATRA.exe
   Shell=Open
   
   
6. If the lines are present, delete the file.
7. Repeat steps 3 to 6 for the remaining AUTORUN.INF files in other remaining removable drives.
8. Close Search Results.