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Backdoor.Thunker

Risk Level 1: Very Low

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Discovered: September 20, 2003
Updated: February 13, 2007 12:07:41 PM
Type: Trojan Horse
Systems Affected: Windows 95, Windows 98, Windows Me, Windows NT, Windows XP


Backdoor.Thunker is a Trojan Horse that runs as a proxy server. It randomly opens ports allowing unauthorized access to an infected machine.

Note: Definitions dated prior to September 25, 2003 may detect this threat as Proxy.Thunker.

Protection

  • Initial Rapid Release version September 22, 2003
  • Latest Rapid Release version June 22, 2009 revision 066
  • Initial Daily Certified version September 22, 2003
  • Latest Daily Certified version June 19, 2009 revision 051
  • Initial Weekly Certified release date September 24, 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: Easy

Damage

  • Damage Level: Low

Distribution

  • Distribution Level: Low

Writeup By: Scott Gettis
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