W32.HLLW.Shydy.C

Risk Level 1: Very Low

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Discovered:: May 21, 2003
Updated:: February 13, 2007 12:01:32 PM
Also Known As:: W32.HLLW.Shynet, WORM_SHYNET.A [Trend], W32/Shydood.worm [McAfee], Worm.P2P.VB.y [KAV], W32/Shynet-A [Sophos]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Shydy.C is a worm that attempts to spread itself through the KaZaA file-sharing network. Due to a bug in the code, the worm's filename must be Regstr.exe to execute.

This threat is written in the Microsoft Visual Basic (VB) programming language and is compressed with UPX. The VB run-time libraries are required to execute W32.HLLW.Shydy.C.

NOTE: Definitions dated prior to August 28th, 2003 may detect this threat as W32.HLLW.Shynet.

Antivirus Protection Dates

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

Damage

Damage Level: Low

Distribution

Distribution Level: Medium

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16