VBS.Caser@mm

Risk Level 1: Very Low

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Discovered:: February 20, 2003
Updated:: February 13, 2007 11:43:20 AM
Also Known As:: VBS.Casechange.A [CA]
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Caser@mm is a mass-mailing worm that spreads using Microsoft Outlook and IRC and copies itself across mapped drives. The worm attempts to overwrite several files on your system. The email will have an attachment with a .vbs file extension.

NOTE: Virus definitions dated prior to February 20, 2003 may detect this threat as Bloodhound.VBS.Worm.

Antivirus Protection Dates

Initial Rapid Release version February 20, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version February 20, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date February 20, 2003

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: Medium

Distribution

Distribution Level: High

Writeup By: Neal Hindocha

Technical Details

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Internet Security Threat Report, Volume 16