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- Discovered:
- March 12, 2003
- Updated:
- February 13, 2007 11:44:23 AM
- Type:
- Trojan Horse
- Systems Affected:
- Windows 2000, Windows NT, Windows XP
Backdoor.Queen is a backdoor Trojan that runs only under Windows NT, Windows 2000, and Windows XP. It gives the hacker unauthorized access to the infected computer. The Trojan attempts to disguise itself as the normal Windows process named "LSASS.EXE."
The Trojan has two components:
- QoSServer.dll: the backdoor Trojan
- QoSServer.exe: the loader of Backdoor.Queen
Antivirus Protection Dates
- Initial Rapid Release version March 12, 2003
- Latest Rapid Release version June 22, 2009 revision 066
- Initial Daily Certified version March 12, 2003
- Latest Daily Certified version June 19, 2009 revision 051
- Initial Weekly Certified release date March 12, 2003
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: Moderate
Damage
- Damage Level: Medium
Distribution
- Distribution Level: Low
Writeup By: Robert X Wang
