PC DoorGuard 

A full-featured professional anti-trojan fighter. Trojan database consists of more than 7500 trojan horses and is constantly updated. Using PDG you will easily detect and remove all known trojan horses running on your PC with a click of a button.
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avast! 4 Professional Edition 

avast! 4 Professional Edition is a complete antivirus software for your company. It scans for viruses, worms and Trojans. It contains all the features and much more. Incremental updates of virus database (twice a week) are small, fast and reliable.
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