Trojan.Tooso.O

Risk Level 1: Very Low

Discovered:
September 19, 2005
Updated:
February 13, 2007 12:44:29 PM
Also Known As:
TROJ_BAGLE.DA [Trend Micro]
Type:
Trojan Horse
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

Trojan.Tooso.O is a Trojan horse that attempts to lower security settings and download other threats.

Antivirus Protection Dates

  • Initial Rapid Release version September 19, 2005
  • Latest Rapid Release version August 20, 2008 revision 017
  • Initial Daily Certified version September 19, 2005
  • Latest Daily Certified version August 20, 2008 revision 016
  • Initial Weekly Certified release date September 20, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Medium
  • Number of Infections: 50 - 999
  • Number of Sites: More than 10
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Low
Writeup By: Robert X Wang

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