VBS.Butterhot

Risk Level 1: Very Low

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Discovered:: June 14, 2003
Updated:: February 13, 2007 12:01:50 PM
Also Known As:: VBS/Rettub [McAfee], IRC-Wrom.Butterhot [KAV]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Butterhot is a Visual Basic Script (VBS) worm that attempts to send itself by mIRC. The existence of the file sex.vbs is an indication of a possible infection.

Antivirus Protection Dates

Initial Rapid Release version June 16, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version June 16, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date June 18, 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: Easy

Damage

Damage Level: Low

Distribution

Distribution Level: Low

Writeup By: Scott Gettis

Technical Details

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Internet Security Threat Report, Volume 16