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W32.Maddis.B

Risk Level 1: Very Low

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Discovered: April 12, 2004
Updated: February 13, 2007 12:21:16 PM
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


W32.Maddis.B is a network-share worm that injects itself into various windows System processes. The worm will open several ports on an infected host. It also operates as a proxy and possibly a spam relay.

This threat is written in x86 Assembly and is packed with ASPack 2.12.

Protection

  • Initial Rapid Release version April 13, 2004
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version April 13, 2004
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date April 14, 2004

Click here 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: John Canavan
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