I'm not familiar with AVP Monitor. (Haven't tried it myself)
However, KAV protects you against traffic coming in and going out from your WinGate Server. It scans HTTP, FTP and the mail protocols, incoming and outgoing.
Have a read of the Kaspersky Antivirus features (
http://www.wingate.com/features-antivirus.php) and see if they suit your requirements.