BKDR_SMALLDOO.LF

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_CLASSES_ROOT>CLSID
3. Still in the left panel, locate and delete the key:
   {248DD896-BB45-11CF-9ABC-0080C7E7B78D}
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{248DD896-BB45-11CF-9ABC-0080C7E7B78D}
5. Still in the left panel, locate and delete the key:
   InprocServer32
6. In the left panel, double-click the following:
   HKEY_CLASSES_ROOT
7. Still in the left panel, locate and delete the key:
   MSWinsock.Winsock
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>MSWinsock.Winsock
9. Still in the left panel, locate and delete the key:
   CLSID
10. Again Still in the left panel, locate and delete the key:
    CurVer
11. Again Still in the left panel, locate and delete the key:
    MSWinsock.Winsock.1
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>MSWinsock.Winsock.1
13. Still in the left panel, locate and delete the key:
    CLSID
14. Again Still in the left panel, locate and delete the key:
    VersionIndependentProgID
15. Again Still in the left panel, locate and delete the key:
    ProgID
16. Again Still in the left panel, locate and delete the key:
    TypeLib
17. Again Still in the left panel, locate and delete the key:
    Version
18. Again Still in the left panel, locate and delete the key:
    {248DD897-BB45-11CF-9ABC-0080C7E7B78D}
19. In the left panel, double-click the following:
    
20. Still in the left panel, locate and delete the key:
    InprocServer32
21. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
22. Still in the left panel, locate and delete the key:
    {248DD890-BB45-11CF-9ABC-0080C7E7B78D}
23. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{248DD890-BB45-11CF-9ABC-0080C7E7B78D}
24. Still in the left panel, locate and delete the key:
    1.0
25. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{248DD890-BB45-11CF-9ABC-0080C7E7B78D}>1.0
26. Still in the left panel, locate and delete the key:
    HELPDIR
27. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface
28. Still in the left panel, locate and delete the key:
    {248DD892-BB45-11CF-9ABC-0080C7E7B78D}
29. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{248DD892-BB45-11CF-9ABC-0080C7E7B78D}
30. Still in the left panel, locate and delete the key:
    ProxyStubClsid32
31. Again Still in the left panel, locate and delete the key:
    TypeLib
32. Again Still in the left panel, locate and delete the key:
    {248DD893-BB45-11CF-9ABC-0080C7E7B78D}
33. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{248DD893-BB45-11CF-9ABC-0080C7E7B78D}
34. Still in the left panel, locate and delete the key:
    ProxyStubClsid32
35. Again Still in the left panel, locate and delete the key:
    TypeLib
36. Again Still in the left panel, locate and delete the key:
    Control
37. Again Still in the left panel, locate and delete the key:
    MiscStatus
38. Again Still in the left panel, locate and delete the key:
    ToolboxBitmap32
39. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{248DD897-BB45-11CF-9ABC-0080C7E7B78D}
40. Still in the left panel, locate and delete the key:
    InprocServer32
41. Again Still in the left panel, locate and delete the key:
    FLAGS
42. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{248DD890-BB45-11CF-9ABC-0080C7E7B78D}>1.0>0
43. Still in the left panel, locate and delete the key:
    win32
44. Again Still in the left panel, locate and delete the key:
    ProxyStubClsid
45. Again Still in the left panel, locate and delete the key:
    ProxyStubClsid
46. 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>Classes>CLSID>{248DD896-BB45-11CF-9ABC-0080C7E7B78D}>InprocServer32
3. In the right panel, locate and delete the entry:
   ThreadingModel = "Apartment"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{248DD892-BB45-11CF-9ABC-0080C7E7B78D}>TypeLib
5. In the right panel, locate and delete the entry:
   Version = "1.0"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{248DD893-BB45-11CF-9ABC-0080C7E7B78D}>TypeLib
7. In the right panel, locate and delete the entry:
   Version = "1.0"
8. Close Registry Editor.

To delete the malware/grayware folder:

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:
   
   %User Temp%\E_N4
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.

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:
   
   • %User Temp%\´Ï´Ï5.1Ãâ·Ñ°æ.exe
   • %User Temp%\1.exe
   • %User Temp%\E_N4\krnln.fnr
   • %System%\dnfsafe.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:
   
   • %User Temp%\´Ï´Ï5.1Ãâ·Ñ°æ.exe
   • %User Temp%\1.exe
   • %User Temp%\E_N4\krnln.fnr
   • %System%\dnfsafe.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.