W32.Simbolos@mm

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Discovered:: July 14, 2002
Updated:: February 13, 2007 11:57:03 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.Simbolos@mm is a mass-mailing worm that uses its own SMTP engine to send itself to all email addresses in the MSN messenger contact list. The email has the following characteristics:
Subject: Hola
Attachment: Setup.exe

Antivirus Protection Dates

Initial Rapid Release version July 15, 2002
Latest Rapid Release version November 12, 2009 revision 004
Initial Daily Certified version July 15, 2002
Latest Daily Certified version November 12, 2009 revision 005
Initial Weekly Certified release date July 15, 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