W32.HLLW.Cassidy.B

Risk Level 1: Very Low

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Discovered:: January 21, 2003
Updated:: February 13, 2007 11:42:27 AM
Also Known As:: W32.HLLW.Eissa, Worm.P2P.Cassidy [KAV]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

The W32.HLLW.Cassidy.B worm attempts to spread using the KaZaA file-sharing network.

NOTE: Definitions dated prior to February 28, 2003 may detect this threat as W32.HLLW.Eissa.

Antivirus Protection Dates

Initial Rapid Release version January 21, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version January 21, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date January 22, 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: Low

Distribution

Distribution Level: Medium

Writeup By: Kaoru Hayashi

Technical Details

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Internet Security Threat Report, Volume 16