TROJ_VOBFUS.WCO

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>MediaPlayer>Health
3. Still in the left panel, locate and delete the key:
   {337CDE1B-3AAE-46E5-BADF-6A05786C6428}
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Preferences
5. Still in the left panel, locate and delete the key:
   ProxySettings
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Preferences>ProxySettings
7. Still in the left panel, locate and delete the key:
   MMS
8. Again Still in the left panel, locate and delete the key:
   HTTP
9. Again Still in the left panel, locate and delete the key:
   RTSP
10. 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 Media>WMSDK>General
3. In the right panel, locate and delete the entry:
   UniqueID = "{3E5F5A4B-B25C-4097-A0BC-692F359833D5}"
4. Again In the right panel, locate and delete the entry:
   ComputerName = "CWS09D108"
5. Again In the right panel, locate and delete the entry:
   VolumeSerialNumber = "68adfd"
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Preferences>ProxySettings>MMS
7. In the right panel, locate and delete the entry:
   ProxyStyle = "0"
8. Again In the right panel, locate and delete the entry:
   ProxyPort = "6db"
9. Again In the right panel, locate and delete the entry:
   ProxyBypass = "0"
10. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Preferences>ProxySettings>HTTP
11. In the right panel, locate and delete the entry:
    ProxyStyle = "1"
12. Again In the right panel, locate and delete the entry:
    ProxyPort = "5"
13. Again In the right panel, locate and delete the entry:
    ProxyBypass = "0"
14. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Preferences>ProxySettings>RTSP
15. In the right panel, locate and delete the entry:
    ProxyStyle = "0"
16. Again In the right panel, locate and delete the entry:
    ProxyPort = "22a"
17. Again In the right panel, locate and delete the entry:
    ProxyBypass = "0"
18. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>MediaPlayer>Player>Tasks>NowPlaying
19. In the right panel, locate and delete the entry:
    InitFlags = "1"
20. 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>Software>Microsoft>Windows Media>WMSDK>Namespace
3. In the right panel, locate the registry value:
   LocalBase = "%Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   LocalBase = "%System Root%\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNS.XML"
5. Again In the right panel, locate the registry value:
   DTDFile = "%Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.DTD"
6. Right-click on the value name and choose Modify. Change the value data of this entry to:
   DTDFile = "%System Root%\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNS.DTD"
7. Again In the right panel, locate the registry value:
   LocalDelta = "%Application Data%\Microsoft\Windows Media\9.0\WMSDKNSD.XML"
8. Right-click on the value name and choose Modify. Change the value data of this entry to:
   LocalDelta = "%System Root%\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNSD.XML"
9. Again In the right panel, locate the registry value:
   RemoteDelta = "%Application Data%\Microsoft\Windows Media\9.0\WMSDKNSR.XML"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RemoteDelta = "%System Root%\Documents and Settings\Default User\Local Settings\Application Data\Microsoft\Windows Media\9.0\WMSDKNSR.XML"
11. 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:
   
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.bak
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.done
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNSD.XML
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML
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:
   
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.bak
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML.done
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNSD.XML
   • %Application Data%\Microsoft\Windows Media\9.0\WMSDKNS.XML
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.