Win32/Agent.QZG [Threat Name] go to Threat

Win32/Agent.QZG [Threat Variant Name]

Category trojan
Size 19456 B
Detection created Apr 07, 2010
Detection database version 5006
Aliases Trojan.Win32.Shutdowner.ejj (Kaspersky)
  Generic.dx!rcd.trojan (McAfee) (AVG)
Short description

Win32/Agent.QZG is a trojan which tries to download other malware from the Internet. The file is run-time compressed using UPX .


When executed, the trojan copies itself into the following location:

  • %windir%\­expmodule.exe (19456 B)

The trojan creates the following files:

  • %system%\­wmmest.dll (14336 B)

The trojan modifies the following file:

  • %system%\­userinit.exe

The following Registry entries are created:

  • [HKEY_LOCAL_MACHINE\­Software\­Microsoft\­Windows NT\­CurrentVersion\­Winlogo2]
    • "Shell" = "expmodule.exe"

This causes the trojan to be executed on every system start.

Other information

The trojan creates and runs a new thread with its own program code within the following processes:

  • svchost.exe

The trojan checks for Internet connectivity by trying to connect to the following servers:


The trojan connects to the following address:


The trojan then obtains data and instructions for further action. The HTTP protocol is used.

It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • run executable files
  • remove itself from the infected computer

The trojan collects the following information:

  • computer name
  • list of disk devices and their type

The trojan can send the information to a remote machine.

The trojan may turn off the computer.

Please enable Javascript to ensure correct displaying of this content and refresh this page.