Sophos

Troj/DwnLdr-GWW

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 18 July 2007 23:11:47 (GMT)
Detected by All Sophos products

Action

More Information

Troj/DwnLdr-GWW is a Trojan for the Windows platform.

Troj/DwnLdr-GWW runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.

Troj/DwnLdr-GWW includes functionality to download, install and run new software.

When first run Troj/DwnLdr-GWW copies itself to <System>\svch.exe and creates the file <Temp>\dl99656.exe.

The following registry entries are created to run svch.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Office Monitor Word Exel R
<System>\svch.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Office Monitor Word Exel R
<System>\svch.exe

The following registry entry is set:

HKLM\SOFTWARE\Microsoft\Ole
EnableDCOM
N

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