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Trojan.Ascetic.B

Risk Level 1: Very Low

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Discovered: March 31, 2005
Updated: February 13, 2007 12:36:07 PM
Also Known As: W32.Sober.N@mm
Type: Worm
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP


Trojan.Ascetic.B uses its own SMTP engine to send the email addresses that it finds on the compromised computer to some predefined email addresses. The email address of the sender is spoofed and the subject is randomly generated text.

Note: Definitions prior to April 1, 2005 will detect this threat as W32.Sober.N@mm.

Protection

  • Initial Rapid Release version March 31, 2005
  • Latest Rapid Release version July 26, 2008 revision 017
  • Initial Daily Certified version March 31, 2005
  • Latest Daily Certified version July 26, 2008 revision 018
  • Initial Weekly Certified release date March 31, 2005

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: Medium

Distribution

  • Distribution Level: Low

Writeup By: Peter Ferrie
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