Sophos

Troj/Bckdr-HLO

Aliases
  • BackDoor-CYZ
  • trojan
  • TROJ_DROPPER.AYV
Category
Type
What to do
Prevalence low high

Summary

 
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from June 2006 (4.06)
Protection available since 24 April 2006 12:47:18 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Bckdr-HLO is a backdoor Trojan for the Windows platform.

The Trojan includes functionality to connect to the predefined remote site awaitng for the further remote commands. Troj/Bckdr-HLO is a backdoor Trojan for the Windows platform.

When Troj/Bckdr-HLO is installed the following files are created:

<Temp>\winword.exe
<System>\awext32.dll
<System>\w32time.exe

The file w32time.exe is registered as a service named "W32Time" (repacing any existing services named "W32Time"). Registry entries are created or modified under:

HKLM\SYSTEM\CurrentControlSet\Services\W32Time\

The file awext32.dll is injected into the msmsgs.exe process space and includes functionality to connect to the predefined remote site awaitng for the further remote commands.

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