Sophos

Troj/Agent-FZF

Aliases
  • Trojan.Win32.Qhost.it
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 28 July 2007 05:48:41 (GMT)
Detected by All Sophos products

Action

More Information

Troj/Agent-FZF is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.

When Troj/Agent-FZF is installed it creates the file <System>\vyoaudx.dll.

The file vyoaudx.dll is detected as Troj/SpamTh-Gen.

The following registry entries are created to run code exported by DCOM Server 25319 and {2C1CD3D7-86AC-4068-93BC-A02304B25319} on startup:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler
{2C1CD3D7-86AC-4068-93BC-A02304B25319}
DCOM Server 25319

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad
DCOM Server 25319
{2C1CD3D7-86AC-4068-93BC-A02304B25319}

The file vyoaudx.dll is registered as a COM object, creating registry entries under:

HKCR\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304B25319

RSS|Atom
Get reports about the latest virus and spyware threats delivered to your computer