W97M.Ciga@mm

Risk Level 1: Very Low

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Discovered:: December 27, 2002
Updated:: February 13, 2007 11:54:33 AM
Type:: Macro
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W97M.Ciga@mm is a mass-mailing worm that infects the Microsoft Word Normal.dot template and the active document. It attempts to email itself to all the contacts in the Windows Address Book. The email message has a randomly chosen subject, message, and attachment with a .vbs extension. It also attempts to spread via the KaZaA file-sharing network.

Antivirus Protection Dates

Initial Rapid Release version December 30, 2002
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version December 30, 2002
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date December 30, 2002

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

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: High

Distribution

Distribution Level: High

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16