Sophos

W32/Qeds-A

Aliases
  • Trojan.Win32.VB.xb
  • W32/Qeds
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Infected files
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 24 May 2005 08:12:01 (GMT)
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Action

More Information

W32/Qeds-A is a virus for the Windows platform.

The virus will attempt to download and execute a file from one of four predefined URLs.

W32/Qeds-A will disable Taskmanager and the registry tools before copying itself to the Windows system folder, and to the following locations as DHelp.dll.

<Windows folder>
<Windows system folder>
<Windows system folder>\wbem W32/Qeds-A is a virus for the Windows platform.

The virus will attempt to download and execute a file from one of four predefined URLs.

W32/Qeds-A will disable Taskmanager and the registry tools before copying itself to the Windows system folder, and to the following locations as DHelp.dll.

<Windows folder>
<Windows system folder>
<Windows system folder>\wbem

W32/Qeds-A will terminate any processes associated of the following executables and inject code into the files in order to cause itself to be executed when the infected file is executed:

<Windows system folder>\dllcache\notepad.exe
<Windows system folder>\dllcache\\explorer.exe
<Windows system folder>\dllcache\\iexplore.exe
<Windows system folder>\notepad.exe
<Windows folder>\notepad.exe
<Windows folder>\explorer.exe
\Program Files\Internet Explorer\iexplore.exe
<path to file>\QQexternal.exe
<path to file>\TIMPlatform.exe
<path to file>\BugReport.exe
<path to file>\QQ.exe
<path to file>\QQGame.exe

W32/Qeds-A will create or modify the following registry entries:

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Windows Management Instrumentation
"<executable name>"

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableRegistryTools
"1"

HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
DisableTaskMgr
"0"

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