TROJ_LAPKA.AG

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>SYSTEM>ControlSet001>Services
3. Still in the left panel, locate and delete the key:
   diskflt
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network
5. Still in the left panel, locate and delete the key:
   NetCfgLockHolder
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>System>CurrentControlSet>Control>Network>{4d36e974-e325-11ce-bfc1-08002be10318}
7. Still in the left panel, locate and delete the key:
   {2F64EA75-FA94-4D88-9FC0-A53ABB8CDB22}
8. 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>SYSTEM>ControlSet001>Services>BITS
3. In the right panel, locate and delete the entry:
   Fuck_Time = "1"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>Wind45567 M dfg xcv 4354
5. In the right panel, locate and delete the entry:
   Description = "Thidfg ver 1.0 fghdh"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>diskflt
7. In the right panel, locate and delete the entry:
   ErrorControl = "1"
8. Again In the right panel, locate and delete the entry:
   Start = "0"
9. Again In the right panel, locate and delete the entry:
   Type = "1"
10. Again In the right panel, locate and delete the entry:
    Tag = "a"
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network>{4D36E974-E325-11CE-BFC1-08002BE10318}>{2F64EA75-FA94-4D88-9FC0-A53ABB8CDB22}
12. In the right panel, locate and delete the entry:
    Characteristics = "441"
13. Again In the right panel, locate and delete the entry:
    InfPath = "%Windows%\inf\netsf.inf"
14. Again In the right panel, locate and delete the entry:
    InfSection = "Passthru.ndi"
15. Again In the right panel, locate and delete the entry:
    Description = "Passthru Driver"
16. Again In the right panel, locate and delete the entry:
    ComponentId = "ms_passthru"
17. Again In the right panel, locate and delete the entry:
    InfPath = "netsf.inf"
18. 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>Class>{4D36E967-E325-11CE-BFC1-08002BE10318}
3. In the right panel, locate the registry value:
   UpperFilters = "PartMgr,diskflt"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   UpperFilters = "{random values}"
5. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Network
6. In the right panel, locate the registry value:
   Config = "{random values}"
7. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Config = "{random values}"
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Services>NdisWan>Linkage
9. In the right panel, locate the registry value:
   Bind = "{random characters}"
10. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Bind = "{random values}"
11. Again In the right panel, locate the registry value:
    Route = "{random characters}"
12. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Route = "{random values}"
13. Again In the right panel, locate the registry value:
    Export = "{random characters}"
14. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
15. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0008
16. In the right panel, locate the registry value:
    NetCfgInstanceId = "{CA2DC9DA-D586-4464-91E8-EF8932205E21}"
17. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NetCfgInstanceId = "{8347DFC0-2E88-4957-B577-F094C14F659F}"
18. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0008>Linkage
19. In the right panel, locate the registry value:
    RootDevice = "NdisWanIp"
20. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RootDevice = "{random values}"
21. Again In the right panel, locate the registry value:
    UpperBind = "Tcpip"
22. Right-click on the value name and choose Modify. Change the value data of this entry to:
    UpperBind = "{random values}"
23. Again In the right panel, locate the registry value:
    Export = "\Device\NdisWanIp"
24. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
25. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0010
26. In the right panel, locate the registry value:
    NetCfgInstanceId = "{DAE77112-CC69-4B9B-B0BB-8B4C380B15D1}"
27. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NetCfgInstanceId = "{3C80E3FC-D344-4CC3-8234-C304CAA58B25}"
28. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0010>Linkage
29. In the right panel, locate the registry value:
    RootDevice = "{DAE77112-CC69-4B9B-B0BB-8B4C380B15D1}"
30. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RootDevice = "{random values}"
31. Again In the right panel, locate the registry value:
    UpperBind = "Ndisuio,RasPppoe,Tcpip"
32. Right-click on the value name and choose Modify. Change the value data of this entry to:
    UpperBind = "{random values}"
33. Again In the right panel, locate the registry value:
    Export = "\Device\{DAE77112-CC69-4B9B-B0BB-8B4C380B15D1}"
34. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
35. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0001
36. In the right panel, locate the registry value:
    NetCfgInstanceId = "{706C9A23-9058-4780-9179-0EE8467AACB4}"
37. Right-click on the value name and choose Modify. Change the value data of this entry to:
    NetCfgInstanceId = "{865B16A3-D78E-483F-8D7B-8DF6BB83FF7F}"
38. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SYSTEM>ControlSet001>Control>Class>{4D36E972-E325-11CE-BFC1-08002bE10318}>0001>Linkage
39. In the right panel, locate the registry value:
    RootDevice = "{706C9A23-9058-4780-9179-0EE8467AACB4}"
40. Right-click on the value name and choose Modify. Change the value data of this entry to:
    RootDevice = "{random values}"
41. Again In the right panel, locate the registry value:
    UpperBind = "Ndisuio,RasPppoe,Tcpip"
42. Right-click on the value name and choose Modify. Change the value data of this entry to:
    UpperBind = "{random values}"
43. Again In the right panel, locate the registry value:
    Export = "\Device\{706C9A23-9058-4780-9179-0EE8467AACB4}"
44. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Export = "{random values}"
45. 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:
   
   • %User Temp%\netsf.inf
   • %System%\Black.dll
   • %User Temp%\netsf_m.inf
   • %User Temp%\snetcfg.exe
   • %User Temp%\passthru.sys
   • %Temp%\install.bat
   • %Temp%\netsf.inf
   • %Temp%\netsf_m.inf
   • %Temp%\snetcfg.exe
   • %Temp%\passthru.sys
   • %System%\Drivers\diskflt.sys
   • %Windows%\INF\netsf.PNF
   • %Windows%\inf\netsf_m.PNF
   • %Windows%\inf\INFCACHE.0
   • %Windows%\inf\netsf_m.inf
   • %Windows%\inf\netsf.inf
   • %Windows%\inf\passthru.sys
   • %System%\drivers\passthru.sys
   • %System Root%\netsf_m.inf
   • %System Root%\netsf.inf
   • %System Root%\passthru.sys
   • %Windows%\LastGood\TMP25.tmp
   • %Temp%\OLD28.tmp
   • %System%\DRIVERS\SET2B.tmp
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%\netsf.inf
   • %System%\Black.dll
   • %User Temp%\netsf_m.inf
   • %User Temp%\snetcfg.exe
   • %User Temp%\passthru.sys
   • %Temp%\install.bat
   • %Temp%\netsf.inf
   • %Temp%\netsf_m.inf
   • %Temp%\snetcfg.exe
   • %Temp%\passthru.sys
   • %System%\Drivers\diskflt.sys
   • %Windows%\INF\netsf.PNF
   • %Windows%\inf\netsf_m.PNF
   • %Windows%\inf\INFCACHE.0
   • %Windows%\inf\netsf_m.inf
   • %Windows%\inf\netsf.inf
   • %Windows%\inf\passthru.sys
   • %System%\drivers\passthru.sys
   • %System Root%\netsf_m.inf
   • %System Root%\netsf.inf
   • %System Root%\passthru.sys
   • %Windows%\LastGood\TMP25.tmp
   • %Temp%\OLD28.tmp
   • %System%\DRIVERS\SET2B.tmp
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\system32
   • %Windows%\LastGood\system32\DRIVERS
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\system32
   • %Windows%\LastGood\system32\DRIVERS