VBS.Lunnet.A

Risk Level 1: Very Low

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Discovered:: March 6, 2003
Updated:: February 13, 2007 11:43:51 AM
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

VBS.Lunnet.A is a Visual Basic Script worm that attempts to spread using the KaZaA and Grokster file-sharing networks. The worm also attempts a Denial of Service attack on www.ytunnel.digitalcitrus.com.

VBS.Lunnet.A adds a command to the Autoexec.bat file to format the hard drive the next time you start the computer.

Antivirus Protection Dates

Initial Rapid Release version March 6, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version March 6, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date March 12, 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: Medium

Distribution

Distribution Level: Medium

Writeup By: Eric Chien

Technical Details

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Internet Security Threat Report, Volume 16