W32.Tzet.Worm

Risk Level 2: Low

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Discovered: July 28, 2003
Updated: February 13, 2007 12:03:07 PM
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


W32.Tzet.Worm is a worm that spreads by attacking computers that have weak administrator passwords or weak default accounts passwords (such as guest). This worm contains a backdoor and allows a remote attacker to re-route their network traffic through an infected host.

Protection

  • Initial Rapid Release version July 29, 2003
  • Latest Rapid Release version August 6, 2009 revision 048
  • Initial Daily Certified version July 29, 2003
  • Latest Daily Certified version August 6, 2009 revision 052
  • Initial Weekly Certified release date July 30, 2003

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: Moderate

Damage

  • Damage Level: High

Distribution

  • Distribution Level: Medium

Writeup By: Atli Gudmundsson
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