Summary

Summary
Action
More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
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| Included in our products from | January 2006 (4.01) |
| Protection available since | 18 November 2005 21:19:20 (GMT) |
| Last updated | 26 November 2005 03:33:34 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/Keylog-AT is a keylogging Trojan for the Windows platform.
Troj/Keylog-AT includes functionality to access the internet and communicate with a remote server via HTTP.
When first run Troj/Keylog-AT copies itself to <Windows folder>\svchost.exe and creates the following files:
<Windows folder>\<random letters>.dat
<Windows system folder>\PluginENLOG.DLL
The file <random letters>.dat is also detected as Troj/Keylog-AT.
The file PluginENLOG.DLL is a log of user activitity. This file can safely be deleted.
The file <Windows folder>\svchost.exe is registered as a new system driver service named "Fast User Switching Compatibil", with a display name of "FastUserSwitchingCompatibil" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:
HKLM\SYSTEM\CurrentControlSet\Services\Fast User Switching Compatibil\
