Summary

Summary
Action
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| Detected by | All Sophos products |
|---|---|
- Free virus, spyware, and adware scan
- Test your existing anti-virus protection
- Find threats your anti-virus missed
Action

Summary
Action
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Please follow the instructions for removing Trojans.
Please follow the instructions for removing Trojans.
Windows NT/2000/XP
In Windows NT/2000/XP you will also need to edit the following registry entry. The removal of this entry is optional in Windows 95/98/Me. Please read the warning about editing the registry.
At the taskbar, click Start|Run. Type 'Regedit' and press Return. The registry editor opens.
Before you edit the registry, you should make a backup. On the 'Registry' menu, click 'Export Registry File'. In the 'Export range' panel, click 'All', then save your registry as Backup.
Locate the HKEY_LOCAL_MACHINE entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\MMtask Service
and delete it if it exists.
Close the registry editor.
More Information
Troj/BackGat-A is a Trojan. Troj/BackGat-A drops and installs the Wingate proxy server as the file mmtask.exe in the Windows system folder and creates the registry run entry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\MMtask Service
pointing to this file. The file is also registered as the service "MMtask Engine".

