Trojan.Tooso

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.

Protection

• Initial Rapid Release version February 28, 2005
• Latest Rapid Release version June 5, 2009 revision 032
• Initial Daily Certified version February 28, 2005
• Latest Daily Certified version June 5, 2009 revision 040
• Initial Weekly Certified release date March 1, 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: More than 10
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Low