Antivirus service is provided with the best software tools, packages and utilities:
Housecall, all-in-one threat scanning utility from TrendMicro
FreeDrWeb, antivirus by DoctorWeb
AVP Tool, antivirus by Kaspersky
AVZ, threat scanner and tool by Oleg
UVS, universal virus sniffer with tools to reset password, set reg keys to default — great with LiveCD/USB
Hijackthis, scans vital registry keys where viruses and malware usually sets up
AnVir, antivirus process monitor with threat ranking and online checking
Process Explorer, shows all processes, threads, CPU, memory, I/O and network load
MBRcheck, shows if master boot record on the disk is infected
RegAssasssin, deletes registry keys that otherwise are locked