W32.Kergez.C@mm

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Discovered:: August 6, 2003
Updated:: February 13, 2007 12:04:44 PM
Also Known As:: I-Worm.Kergez.c[KAV]
Type:: Worm

W32.Kergez.C@mm is a mass-mailing worm that sends itself to all the email addresses it finds in the following files:

Files with the *.php, *.asp, *.htm* extensions.
Files located in any of the directories specified in the registry key HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders>

The email messages will have the following characteristics:

Subject: Re: New Security Vuln.
Attachment: Virus_Guard.exe

W32.Kergez.C@mm is written in Microsoft Visual C++ and is UPX-packed.

Antivirus Protection Dates

Initial Rapid Release version August 7, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version August 7, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date August 13, 2003

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Writeup By: Scott Gettis

Technical Details

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Internet Security Threat Report, Volume 16