1. Symantec/
  2. Security Response/
  3. Trojan.Tooso


Risk Level 1: Very Low

February 28, 2005
February 13, 2007 12:34:24 PM
Also Known As:
W32/Bagle.dll.dr [McAfee]
Trojan Horse
Systems Affected:

Trojan.Tooso is a Trojan horse that interferes with the operation of security software by terminating processes, stopping services, removing registry entries, and deleting files.

Reinstalling services
You may also wish to re-enable services that were stopped by the threat. In the services window (in "Control Panel" for Windows 9x and in "Control Panel\Administrative Tools" for Windows 2000 and Windows XP) find the services that have been disabled, double click on them and reset the "startup type" value from the drop down menu.

Antivirus Protection Dates

  • Initial Rapid Release version February 28, 2005
  • Latest Rapid Release version March 10, 2018 revision 022
  • Initial Daily Certified version February 28, 2005
  • Latest Daily Certified version March 11, 2018 revision 007
  • Initial Weekly Certified release date March 1, 2005
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Fergal Ladley

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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