Trojan.Tooso.H is a Trojan horse that interferes with the operation of security software by terminating processes, stopping services, removing registry entries, and deleting files.
Trojan.Tooso.H attempts to download a copy of
Trojan.Tooso.F.
This Trojan may arrive in an email with a .zip file attachment. The file inside the attachment may be 1.exe.
Reinstalling Services
You may also wish to re-enable services that were disabled 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.
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