TROJ_SISRON.AK

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:
   Run
4. 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>CurrentVersion>Internet Settings
3. In the right panel, locate and delete the entry:
   WarnonBadCertRecving = "0"
4. Again In the right panel, locate and delete the entry:
   CertificateRevocation = "0"
5. Again In the right panel, locate and delete the entry:
   WarnonZoneCrossing = "0"
6. Again In the right panel, locate and delete the entry:
   WarnOnPostRedirect = "0"
7. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Explorer>Advanced
8. In the right panel, locate and delete the entry:
   ShowSuperHidden = "0"
9. In the left panel, double-click the following:
   HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows>CurrentVersion>policies>Explorer>Run
10. In the right panel, locate and delete the entry:
    Manager = "{malware path and file name}.exe"
11. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows NT>CurrentVersion>Windows
12. In the right panel, locate and delete the entry:
    win = "{malware path and file name}"
13. Again In the right panel, locate and delete the entry:
    init = "{malware path and file name}"
14. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Internet Explorer>Main
15. In the right panel, locate and delete the entry:
    Use FormSuggest = "yes"
16. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
17. In the right panel, locate and delete the entry:
    Use FormSuggest = "yes"
18. Again In the right panel, locate and delete the entry:
    DisableScriptDebuggerIE = "yes"
19. Again In the right panel, locate and delete the entry:
    Error Dlg Displayed On Every Error = "no"
20. In the left panel, double-click the following:
    HKEY_CLASSES_ROOT
21. In the right panel, locate and delete the entry:
    .grp = "MSProgramGroup"
22. Again In the right panel, locate and delete the entry:
    MSProgramGroup = "Microsoft Program Group"
23. Again In the right panel, locate and delete the entry:
    MSProgramGroup\Shell\Open\Command = "%System%\grpconv.exe %1"
24. Close Registry Editor.

To restore the registry value this malware/grayware/spyware modified:

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>CurrentVersion>Explorer>Advanced
3. In the right panel, locate the registry value:
   Hidden = "2"
4. Right-click on the value name and choose Modify. Change the value data of this entry to:
   Hidden = "2"
5. Again In the right panel, locate the registry value:
   SuperHidden = "1"
6. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>Internet Settings>Zones>3
7. In the right panel, locate the registry value:
   1601 = "0"
8. Right-click on the value name and choose Modify. Change the value data of this entry to:
   1601 = "1"
9. In the left panel, double-click the following:
   HKEY_CURRENT_USER>Software>Microsoft>Internet Explorer>Main
10. In the right panel, locate the registry value:
    Disable Script Debugger = "yes"
11. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Disable Script Debugger = "no"
12. In the left panel, double-click the following:
    HKEY_LOCAL_MACHINE>SOFTWARE>Microsoft>Windows NT>CurrentVersion>AeDebug
13. In the right panel, locate the registry value:
    Auto = "0"
14. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Auto = "0"
15. In the left panel, double-click the following:
    HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>GrpConv
16. In the right panel, locate the registry value:
    Log = "Init Application."
17. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
18. Again In the right panel, locate the registry value:
    Log = "bdg: ..."
19. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
20. Again In the right panel, locate the registry value:
    Log = "bdg: Done."
21. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
22. Again In the right panel, locate the registry value:
    Log = "dros: ..."
23. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
24. Again In the right panel, locate the registry value:
    Log = "dros: Renames."
25. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
26. Again In the right panel, locate the registry value:
    Log = "dros: Copies."
27. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
28. Again In the right panel, locate the registry value:
    Log = "dros: Deletes."
29. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
30. Again In the right panel, locate the registry value:
    Log = "dros: Done."
31. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
32. Again In the right panel, locate the registry value:
    Log = "Uninit Application."
33. Right-click on the value name and choose Modify. Change the value data of this entry to:
    Log = "Uninit Application."
34. Close Registry Editor.

To delete malware/grayware component files:

1. Search for the following files:
   
   • %Temp%\Plug.bat
   • %Temp%\driver.inf
   
   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.