TROJ_THORSE.A

To restart in Safe Mode:

• For Windows 2000 users

1. Restart your computer.
2. Press F8 when you see the Starting Windows bar at the bottom of the screen.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows XP users

1. Restart your computer.
2. Press F8 after the Power-On Self Test (POST) routine is done. If the Windows Advanced Options menu does not appear, try restarting then pressing F8 several times when the POST screen appears.
3. Choose the Safe Mode option from the Windows Advanced Options menu then press Enter.

• For Windows Server 2003 users

1. Restart your computer.
2. Press F8 after Windows starts up. If the Windows Advanced Options menu does not appear, try restarting again and pressing F8 several times afterward.
3. On the Windows Advanced Option menu, use the arrow keys to select Safe Mode then press Enter.

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>CurrentControlSet>Services>SharedAccess>Parameters>FirewallPolicy>StandardProfile
3. Still in the left panel, locate and delete the key:
   AuthorizedApplica
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE
5. Still in the left panel, locate and delete the key:
   dmshareware
6. In the left panel, double-click the following:
   HKEY_CLASSES_ROOT
7. Still in the left panel, locate and delete the key:
   MSHLP.MSHlper.1
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>MSHLP.MSHlper.1
9. Still in the left panel, locate and delete the key:
   CLSID
10. Again Still in the left panel, locate and delete the key:
    MSHLP.MSHlper
11. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>MSHLP.MSHlper
12. Still in the left panel, locate and delete the key:
    CLSID
13. Again Still in the left panel, locate and delete the key:
    CurVer
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID
15. Still in the left panel, locate and delete the key:
    {721E6521-4CAD-4A8D-A7F1-4E230B31EF19}
16. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{721E6521-4CAD-4A8D-A7F1-4E230B31EF19}
17. Still in the left panel, locate and delete the key:
    ProgID
18. Again Still in the left panel, locate and delete the key:
    VersionIndependentProgID
19. Again Still in the left panel, locate and delete the key:
    Programmable
20. Again Still in the left panel, locate and delete the key:
    InprocServer32
21. Again Still in the left panel, locate and delete the key:
    TypeLib
22. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>Explorer
23. Still in the left panel, locate and delete the key:
    Browser Helper Objects
24. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib
25. Still in the left panel, locate and delete the key:
    {203B711D-08CE-47B4-9A22-C99A4C22224C}
26. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{203B711D-08CE-47B4-9A22-C99A4C22224C}
27. Still in the left panel, locate and delete the key:
    1.0
28. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{203B711D-08CE-47B4-9A22-C99A4C22224C}>1.0
29. Still in the left panel, locate and delete the key:
    FLAGS
30. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>TypeLib>{203B711D-08CE-47B4-9A22-C99A4C22224C}>1.0>0
31. Still in the left panel, locate and delete the key:
    win32
32. Again Still in the left panel, locate and delete the key:
    HELPDIR
33. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface
34. Still in the left panel, locate and delete the key:
    {A6A82A97-8EB8-495A-AE49-1912793FE4EC}
35. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{A6A82A97-8EB8-495A-AE49-1912793FE4EC}
36. Still in the left panel, locate and delete the key:
    ProxyStubClsid
37. Again Still in the left panel, locate and delete the key:
    ProxyStubClsid32
38. Again Still in the left panel, locate and delete the key:
    TypeLib
39. 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>SharedAccess>Parameters>FirewallPolicy>StandardProfile>AuthorizedApplications>List
3. In the right panel, locate and delete the entry:
   %User Temp%\103172.exe = "%User Temp%\103172.exe:*:Enabled:DM"
4. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>dmshareware
5. In the right panel, locate and delete the entry:
   Owner = "103172"
6. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>CLSID>{721E6521-4CAD-4A8D-A7F1-4E230B31EF19}>InprocServer32
7. In the right panel, locate and delete the entry:
   ThreadingModel = "Apartment"
8. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Classes>Interface>{A6A82A97-8EB8-495A-AE49-1912793FE4EC}>TypeLib
9. In the right panel, locate and delete the entry:
   Version = "1.0"
10. Close Registry Editor.

To delete malware/grayware component files:

1. Search for the following files:
   
   • %User Temp%\nsr2.tmp
   • %User Temp%\setup10.exe
   • %User Temp%\103172.exe
   • %User Temp%\nsy4.tmp
   • %System%\mscfg.ini
   • %System%\MSHLP.DLL
   • %Windows%\Tasks\DM_Install_Program.job
   • %Temp%\ie.exe
   
   Note: To do a search for the following files, right-click Start then click Search... or Find..., depending on the version of Windows you are running. For each file to be deleted, type its file name in the Named input box. In the Look In drop-down list, select My Computer, then press Enter.
2. Once located, select the file then press SHIFT+DELETE to permanently delete the file.
3. Repeat the said steps for all files listed.

To delete malware/grayware 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:
   
   • %System Root%\DOCUME~1
   • %System Root%\DOCUME~1\ADMINI~1
   • %User Profile%\LOCALS~1
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 the said steps for all folders listed.