Summary

Summary
Action
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| How it spreads |
|
|---|---|
| Affected operating systems | Windows |
| Characteristics |
|
| Protection available since | 8 May 2007 08:50:03 (GMT) |
| Last updated | 14 May 2007 22:01:20 (GMT) |
| Detected by | All Sophos products |
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Action

Summary
Action
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Please follow the instructions for removing worms.
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

