Sophos

W32/Womble-A

Aliases
  • W32/Womble@MM
  • virus
Category
Type
What to do
Prevalence low high

Summary

 
How it spreads
  • Email attachments
Affected operating systems Windows
Characteristics
  • Installs itself in the registry
Protection available since 29 August 2006 13:55:00 (GMT)
Detected by All Sophos products
  • Endpoint Security and Control 9.0
  • Small business solutions 4.0

Action

More Information

W32/Womble-A is a mass mailing worm for the Windows platform.

W32/Womble-A uses Exp/WMF-A which exploits a vulnerability in the image rendering functionality of the DLL GDI32.DLL, which allows the execution of arbitrary code (MS06-001).

It may arrive as an email with the following subject line:

!!
Action
Action
Beauty
Bush
FIFA
Helo
Hi
important
Incredible!!
info
Laura
Laura and John
Lola
Look at this!!!
Miss Khan
Nataly
Ola
Olympus
Paula
pic
private
private pics
Re:
Re: pic
read this
Robert
Sex

The email may have a message body of:

Attach File...

The attachments may have the following filenames:

free_antivirus.pif.zip
mails.jpg
some_info.wmf
www.jpg.zip
your_friends.wmf.zip

When run, the Worm copies itself to <System>\<Original Filename of Worm>.exe

The following registry entries are set:

HKCU\Software\Microsoft\Windows\CurrentVersion\Run
ms_net_update
<System>\<Original Filename of Worm>.exe

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ms_net_update
<System>\<Original Filename of Worm>.exe

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