I recently had some Spyware picked up by ZoneAlarm and quarantined. There was no record of the malware in the ZA Quarantined list. I ran Housecall from TrendMicro and it found a "Spyware_Keyl_ast. I did a search for this keylogger and only could find it in TrendMicro's virus list. Why is this. It makes me doubt the validity of the findings. Is this a ploy to get one to purchase a specific product?