Sophos

Troj/Agent-FYY

Aliases
  • Backdoor.Win32.Agent.ahj
  • BKDR_AGENT.IML
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from September 2007 (4.21)
Protection available since 21 July 2007 00:00:49 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Agent-FYY is a Trojan for the Windows platform.

Troj/Agent-FYY includes functionality to access the internet and communicate with a remote server via HTTP.

When first run, Troj/Agent-FYY may create the following files:

<System>\9A38481E.dll (detected as Troj/Agent-FYY)
<System>\FC9FEA75.exe (detected as Troj/Agent-FYY)

and copy itself to:

<System>\E69C6CEE.exe

The file E69C6CEE.exe is registered as a new system driver service named "2D98923D", with a display name of "2D98923D" and a startup type of automatic, so that it is started automatically during system startup. Registry entries are created under:

HKLM\SYSTEM\CurrentControlSet\Services\2D98923D\

Registry entries may be created under:

HKLM\SOFTWARE\Microsoft\Windows NT\
HKLM\SOFTWARE\Microsoft\Internet Explorer\New Windows\

Troj/Agent-FYY deletes registry entries under:

HKLM\SYSTEM\CurrentControlSet\Services\ERSvc\

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