Sophos

Troj/Keylog-AT

Aliases
  • BackDoor-AWQ.b
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
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

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\

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