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W32/Culler-D

Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Chat programs
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 8 May 2007 08:50:03 (GMT)
Last updated 14 May 2007 22:01:20 (GMT)
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Action

More Information

W32/Culler-D is a worm for the Windows platform that spreads via MSN Messenger.

W32/Culler-D is a worm for the Windows platform that spreads via MSN Messenger.

W32/Culler-D includes functionality to access the internet and communicate with a remote server via HTTP.

When first run W32/Culler-D copies itself to:

<Windows>\Strad.exe
<Windows>\Zser.exe
<System>\Xeyu.exe
<System>\Xsfr.exe

and creates the file <Temp>\~dfffea.tmp.

The following registry entries are created to run Strad.exe, Zser.exe, Xeyu.exe and Xsfr.exe on startup:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
WindowsUpdate
<Windows>\Strad.exe

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

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

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

Registry entries are created under:

HKCU\Software\VB and VBA Program Settings\SysUpdate\sistema
HKCU\Software\VB and VBA Program Settings\Sys\Baja

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