W32.HLLW.Raleka.B

Risk Level 1: Very Low

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Discovered:: January 18, 2004
Updated:: February 13, 2007 12:16:17 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows XP

W32.HLLW.Raleka.B is a variant of W32.HLLW.Raleka that exploits the Microsoft DCOM RPC vulnerability, as described in Microsoft Security Bulletin MS03-026.

When W32.HLLW.Raleka.B is executed, it attempts to download the files from a predefined location and connect to an IRC server.

The worm is 33 Kb in size.

Antivirus Protection Dates

Initial Rapid Release version January 19, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version January 19, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date January 21, 2004

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: Yuhui Huang

Technical Details

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Internet Security Threat Report, Volume 16