W32.Topsec

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Discovered:: October 10, 2002
Updated:: February 13, 2007 11:59:48 AM
Also Known As:: W32.Topsec.Worm
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Topsec is a worm that contains bugs that prevent it from working as designed. It sends a clean file to all email addresses that it finds in the inbox of the current email program. The email has the following characteristics,

Subject: TopSecret here for your PC
Message: Start TopSecrets Energy
Attachment: System.ini

NOTE: Virus definitions dated prior to October 11, 2002 detect this threat as W32.Topsec.Worm.

Antivirus Protection Dates

Initial Rapid Release version October 11, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version October 11, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date October 16, 2002

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

Writeup By: Yana Liu

Technical Details

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Internet Security Threat Report, Volume 16