BKDR_FARFLI.SEP

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, 7, and Server 2008 (R2):
     Click the Start button, type REGEDIT in the Search input field then press Enter.
   • On Windows 8, 8.1, and Server 2012 (R2):
     Right-click on the lower left corner of the screen and click Run, type REGEDIT in the Run input field, and then press Enter.
2. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>6to4
3. In the right panel, locate the registry value:
   Type = "12"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Type = "20"
5. Again In the right panel, locate the registry value:
   Description = "6to4"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Description = "Provides DDNS name registration and automatic IPv6 connectivity over an IPv4 network. If this service is stopped, other computers may not be able to reach it by name and the machine will only have IPv6 connectivity if it is connected to a native IPv6 network. If this service is disabled, any other services that explicitly depend on this service will fail to start."
7. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>6to4>Parameters
8. In the right panel, locate the registry value:
   ServiceDll = "%System%\6to432.dll"
9. Right-click on the value name and choose Modify. Change the value data of this entry to:
   ServiceDll = "{random values}"
10. Close Registry Editor.

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

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

1. Right-click Start then click Search....
2. In the File name* input box, type the following:
   
   • %System%\6to432.dll
   • %System%\104D.tmp
   • %Windows%\Prefetch\104D.TMP-245E5854.pf
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.
   *Note: The file name input box title varies depending on the Windows version (e.g. Search for files or folders named or All or part of the file name.).

• For Windows Vista, Windows 7, Windows Server 2003 (R2), Windows 8, Windows 8.1, and Windows Server 2012 (R2):

1. Open a Windows Explorer window.
   • For Windows Vista, 7, and Server 2008 (R2) users, click Start>Computer.
   • For Windows 8, 8.1, and Server 2012 (R2) users, right-click on the lower left corner of the screen,then click File Explorer.
2. In the Search Computer/This PC input box, type:
   
   • %System%\6to432.dll
   • %System%\104D.tmp
   • %Windows%\Prefetch\104D.TMP-245E5854.pf
3. Once located, select the file then press SHIFT+DELETE to delete it.
   *Note: Read the following Microsoft page if these steps do not work on Windows 7.