BKDR_CIADOOR.E

To restart in Safe Mode:

• For Windows 2000 users

1. Restart your computer.
2. Press F8 when you see the Starting Windows bar at the bottom of the screen.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows XP users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Windows Advanced Options menu does not appear, try restarting then pressing F8 several times when the POST screen appears.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows Server 2003 users

1. Restart your computer.
2. Press F8 after Windows starts up. If the Windows Advanced Options menu does not appear, try restarting again and pressing F8 several times afterward.
3. On the Windows Advanced Option menu, use the arrow keys to select Safe Mode then press Enter.

• For Windows Vista and Windows 7 users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Advanced Boot Options menu does not appear, try restarting and then pressing F8 several times after the POST screen is displayed.
3. On the Advanced Boot Options menu, use the arrow keys to select the Safe Mode option, and then press Enter.

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>VB and VBA Program Settings
3. Still in the left panel, locate and delete the key:
   set
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
5. Still in the left panel, locate and delete the key:
   {C9F1C5A0-F3D8-48E2-8B8C-3E86B4CAC7E3}
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{C9F1C5A0-F3D8-48E2-8B8C-3E86B4CAC7E3}
7. Still in the left panel, locate and delete the key:
   3.0
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{C9F1C5A0-F3D8-48E2-8B8C-3E86B4CAC7E3}>3.0
9. Still in the left panel, locate and delete the key:
   FLAGS
10. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{C9F1C5A0-F3D8-48E2-8B8C-3E86B4CAC7E3}>3.0>0
11. Still in the left panel, locate and delete the key:
    win32
12. Again Still in the left panel, locate and delete the key:
    HELPDIR
13. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface
14. Still in the left panel, locate and delete the key:
    {0958C4C9-77B0-4AA8-9364-7886BFCA7E39}
15. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{0958C4C9-77B0-4AA8-9364-7886BFCA7E39}
16. Still in the left panel, locate and delete the key:
    ProxyStubClsid
17. Again Still in the left panel, locate and delete the key:
    ProxyStubClsid32
18. Again Still in the left panel, locate and delete the key:
    TypeLib
19. In the left panel, double-click the following:
    HKEY_CLASSES_ROOT>CLSID
20. Still in the left panel, locate and delete the key:
    {E14DCE67-8FB7-4721-8149-179BAA4D792C}
21. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{E14DCE67-8FB7-4721-8149-179BAA4D792C}
22. Still in the left panel, locate and delete the key:
    InprocServer32
23. In the left panel, double-click the following:
    HKEY_CLASSES_ROOT
24. Still in the left panel, locate and delete the key:
    N.Cs4
25. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>CurrentControlSet>Control>MediaResources
26. Still in the left panel, locate and delete the key:
    msvideo
27. 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_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Run
3. In the right panel, locate and delete the entry:
   Generic Host Process = "%System%\scvhost.exe"
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>VB and VBA Program Settings>set>set
5. In the right panel, locate and delete the entry:
   set = "4WF3SWXnqw.ini"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{0958C4C9-77B0-4AA8-9364-7886BFCA7E39}>TypeLib
7. In the right panel, locate and delete the entry:
   Version = "3.0"
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{E14DCE67-8FB7-4721-8149-179BAA4D792C}
9. In the right panel, locate and delete the entry:
   ProgID = "N.Cs4"
10. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{E14DCE67-8FB7-4721-8149-179BAA4D792C}>InprocServer32
11. In the right panel, locate and delete the entry:
    ThreadingModel = "Apartment"
12. Again In the right panel, locate and delete the entry:
    TypeLib = "{C9F1C5A0-F3D8-48E2-8B8C-3E86B4CAC7E3}"
13. Again In the right panel, locate and delete the entry:
    VERSION = "3.0"
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>N.Cs4
15. In the right panel, locate and delete the entry:
    Clsid = "{E14DCE67-8FB7-4721-8149-179BAA4D792C}"
16. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{0958C4C9-77B0-4AA8-9364-7886BFCA7E39}
17. In the right panel, locate and delete the entry:
    ProxyStubClsid = "{00020424-0000-0000-C000-000000000046}"
18. Again In the right panel, locate and delete the entry:
    ProxyStubClsid32 = "{00020424-0000-0000-C000-000000000046}"
19. Close Registry Editor.

To manually delete a malware/grayware component from an affected system:

• For Windows 2000, Windows XP, and Windows Server 2003:

1. Right-click Start then click Search....
2. In the Named input box, type:
   
   • %System%\4WF3SWXnqw.ini
   • %System%\scvhost.exe
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 delete it.
5. Repeat the said steps for all files listed.

• For Windows Vista and Windows 7 users:

1. Click Start>Computer.
2. In the Search input box, type:
   
   • %System%\4WF3SWXnqw.ini
   • %System%\scvhost.exe
3. Once located, select the file then press SHIFT+DELETE to delete it.
4. Repeat the said steps for all files listed.
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.