Sophos

W32/VB-DZH

Aliases
  • WORM_VB.CGC
  • Email-Worm.Win32.generic
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Chat programs
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Included in our products from June 2008 (4.30)
Protection available since 16 April 2008 17:52:14 (GMT)
Detected by All Sophos products

Action

More Information

W32/VB-DZH is a worm for the Windows platform.

W32/VB-DZH spread through the instant messaging application Yahoo! Messenger.

When first run W32/VB-DZN copies itself to:

<System>\config\Win.exe
<System>\WinSit.exe
<Wibdows>\dc.exe
<Wibdows>\Help\Other.exe
<Wibdows>\inf\Other.exe
<Wibdows>\SVIQ.EXE
<System>\Fun.exe

The following registry entries are created:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
dc2k5
<Windows>\SVIQ.EXE

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
Fun
<System>\Fun.exe

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
dc
<Windows>\dc.exe

HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows
run
<System>\config\Win.exe

HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows
load
<Windows>\inf\Other.exe

The following registry entry is changed to run WinSit.exe on startup:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe <System>\WinSit.exe

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