VBS.Ypsan.C@mm

Risk Level 2: Low

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Discovered:: April 3, 2005
Updated:: February 13, 2007 12:36:17 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

VBS.Ypsan.C@mm is a mass mailing VBScript worm that uses Microsoft Outlook to send itself to all email addresses in the Microsoft Outlook address book.

Note: Definitions dated prior to April 6, 2005 detect this threat as VBS.Haster@mm.

Antivirus Protection Dates

Initial Rapid Release version April 4, 2005
Latest Rapid Release version July 12, 2008 revision 018
Initial Daily Certified version April 4, 2005
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date April 6, 2005

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: Low

Distribution

Distribution Level: High

Writeup By: Rodney Andres

Technical Details

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Internet Security Threat Report, Volume 16