VBS.Jasam@mm

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Discovered:: January 23, 2003
Updated:: February 13, 2007 11:47:56 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Jasam@mm is a Visual Basic Script (VBS) worm that sends email to all the contacts in the Microsoft Outlook Address Book. It also spreads using mIRC.

Antivirus Protection Dates

Initial Rapid Release version January 24, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version January 24, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date January 29, 2003

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

Writeup By: Gor Nazaryan

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Internet Security Threat Report, Volume 16