W32.HLLW.Winur

Risk Level 1: Very Low

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Discovered:: February 3, 2003
Updated:: February 13, 2007 11:42:42 AM
Also Known As:: WORM_WINUR.A [Trend], W32/Winur.worm.a [McAfee], Worm.P2P.Winur [KAV]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

W32.HLLW.Winur is a worm that uses the KaZaA and WinMX file-sharing programs to spread itself. This worm can also perform Distributed Denial of Service (DDoS) attacks.

W32.HLLW.Winur is written in Microsoft Visual Basic, version 6.

Antivirus Protection Dates

Initial Rapid Release version February 3, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version February 3, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date February 5, 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