Iolo AntiVirus 1.5.3

This is the software publisher's description.

Keeps your PC safe by using advanced real-time technology that provides continuous maximum protection and automatically repels viruses before they can enter your computer.

Its fully integrated email protection works transparently in the background automatically scanning and disinfecting messages as they are transmitted, and an intuitive interface makes it easy to activate scheduled system inspections for a permanently virus-free PC.

The high-performance always-on scanner prevents infections from ever occurring without impacting system performance by providing instant detection and removal of viruses and other threats in real-time.

Other highlights include the ability to manually scan for and instantly remove viruses from specific files, or your entire PC, whenever you want a comprehensive inspection performed. Virus signatures are updated up to once per hour, keeping your PC safe from even the newest threats. Quickly schedule automated scans at preset intervals that comb your system for dangerous and suspicious files which may be waiting to do damage.

Note that the download here is merely a stub and the latest version (20MB) will be downloaded from the Iolo website.