Discovered: December 3, 2009
Updated: December 3, 2009 4:38:36 PM
Type: Trojan
Systems Affected: Windows 98, Windows 95, Windows XP, Windows Me, Windows Vista, Windows NT, Windows Server 2003, Windows 2000

Backdoor.Tidserv.I!inf is a detection for legitimate system driver files that have been modified by Backdoor.Tidserv to load other malicious components.

Protection

* Initial Rapid Release version December 3, 2009 revision 019
* Latest Rapid Release version December 3, 2009 revision 019
* Initial Daily Certified version December 3, 2009 revision 021
* Latest Daily Certified version December 3, 2009 revision 021
* Initial Weekly Certified release date December 9, 2009

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: Easy

Damage

* Damage Level: Low
* Modifies Files: Modifies legitimate system files.

Distribution

* Distribution Level: Low