W32.HLLW.Warpigs.B

Risk Level 1: Very Low

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Discovered:: July 9, 2003
Updated:: February 13, 2007 12:03:39 PM
Type:: Worm
Systems Affected:: Windows 2000, Windows NT, Windows XP

W32.HLLW.Warpigs.B is a worm that contains backdoor Trojan functionality. It attempts to copy itself to computers that have weak administrator passwords.

The backdoor functionality is performed by connecting to a specific mIRC server and joining a specific channel to receive instructions. The default ports are 6666 and 6667.

Antivirus Protection Dates

Initial Rapid Release version July 10, 2003
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 10, 2003
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date July 16, 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: Medium

Distribution

Distribution Level: Medium

Writeup By: Scott Gettis

Technical Details

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Internet Security Threat Report, Volume 16