WORM_MOLDYOW.SMB

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_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer
3. Still in the left panel, locate and delete the key:
   Wdica
4. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft
5. Still in the left panel, locate and delete the key:
   Driver Signing
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network
7. Still in the left panel, locate and delete the key:
   NetCfgLockHolder
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>System>CurrentControlSet>Control>Network>{4d36e974-e325-11ce-bfc1-08002be10318}
9. Still in the left panel, locate and delete the key:
   {992047C3-31B1-4CB9-BBDA-AD3C9D44CB92}
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_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer>Wdica
3. In the right panel, locate and delete the entry:
   ErrorControl = "1"
4. Again In the right panel, locate and delete the entry:
   ImagePath = "inf\wdica.sys"
5. Again In the right panel, locate and delete the entry:
   Start = "2"
6. Again In the right panel, locate and delete the entry:
   Type = "1"
7. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Driver Signing
8. In the right panel, locate and delete the entry:
   Policy = "0"
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network>{4D36E974-E325-11CE-BFC1-08002BE10318}>{992047C3-31B1-4CB9-BBDA-AD3C9D44CB92}
10. In the right panel, locate and delete the entry:
    Characteristics = "4418"
11. Again In the right panel, locate and delete the entry:
    InfPath = "%Windows%\inf\oem13.inf"
12. Again In the right panel, locate and delete the entry:
    InfSection = "WinSocks.ndi"
13. Again In the right panel, locate and delete the entry:
    Description = "Microsoft WinSocks Driver Driver"
14. Again In the right panel, locate and delete the entry:
    ComponentId = "ms_WinSocks"
15. Again In the right panel, locate and delete the entry:
    InfPath = "oem13.inf"
16. 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_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network
3. In the right panel, locate the registry value:
   Config = "{random values}"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Config = "{random values}"
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>NdisWan>Linkage
6. In the right panel, locate the registry value:
   Bind = "{random characters}"
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Bind = "{random values}"
8. Again In the right panel, locate the registry value:
   Route = "{random characters}"
9. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Route = "{random values}"
10. Again In the right panel, locate the registry value:
    Export = "{random characters}"
11. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0008
13. In the right panel, locate the registry value:
    NetCfgInstanceId = "{CA2DC9DA-D586-4464-91E8-EF8932205E21}"
14. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NetCfgInstanceId = "{8347DFC0-2E88-4957-B577-F094C14F659F}"
15. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0008>Linkage
16. In the right panel, locate the registry value:
    RootDevice = "NdisWanIp"
17. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RootDevice = "{random values}"
18. Again In the right panel, locate the registry value:
    UpperBind = "Tcpip"
19. Right-click on the value name and choose Modify. Change the value data of this entry to:
    UpperBind = "{random values}"
20. Again In the right panel, locate the registry value:
    Export = "\Device\NdisWanIp"
21. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
22. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0001
23. In the right panel, locate the registry value:
    NetCfgInstanceId = "{706C9A23-9058-4780-9179-0EE8467AACB4}"
24. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NetCfgInstanceId = "{865B16A3-D78E-483F-8D7B-8DF6BB83FF7F}"
25. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0001>Linkage
26. In the right panel, locate the registry value:
    RootDevice = "{706C9A23-9058-4780-9179-0EE8467AACB4}"
27. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RootDevice = "{random values}"
28. Again In the right panel, locate the registry value:
    UpperBind = "Ndisuio,RasPppoe,Tcpip"
29. Right-click on the value name and choose Modify. Change the value data of this entry to:
    UpperBind = "{random values}"
30. Again In the right panel, locate the registry value:
    Export = "\Device\{706C9A23-9058-4780-9179-0EE8467AACB4}"
31. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
32. 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%\WinSocks.sys
   • %Windows%\inf\WinSock2.PNF
   • %Windows%\inf\Wdica.sys
   • %Windows%\inf\Wdica.hiv
   • %Windows%\inf\sigtab.dll
   • %System%\WinSocks.inf
   • %System%\WinSocksmp.inf
   • %Windows%\INF\oem13.PNF
   • %Windows%\inf\INFCACHE.0
   • %Windows%\inf\ndistcp.pnf
   • %Windows%\INF\oem13.inf
   • %Windows%\INF\SET15.tmp
   • %Windows%\INF\SET1C.tmp
   • %Windows%\inf\WinSocks.inf
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%\WinSocks.sys
   • %Windows%\inf\WinSock2.PNF
   • %Windows%\inf\Wdica.sys
   • %Windows%\inf\Wdica.hiv
   • %Windows%\inf\sigtab.dll
   • %System%\WinSocks.inf
   • %System%\WinSocksmp.inf
   • %Windows%\INF\oem13.PNF
   • %Windows%\inf\INFCACHE.0
   • %Windows%\inf\ndistcp.pnf
   • %Windows%\INF\oem13.inf
   • %Windows%\INF\SET15.tmp
   • %Windows%\INF\SET1C.tmp
   • %Windows%\inf\WinSocks.inf
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.

To delete malware/grayware/spyware 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%\LastGood
   • %Windows%\LastGood\INF
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 steps 2 to 4 for the remaining folders:
   • %Windows%\LastGood
   • %Windows%\LastGood\INF