AVG Anti-Virus Free Edition
AVG Free Edition is the well-known antivirus protection tool. AVG Free is available free of charge to home users for the life of the product. The newest version is also compatible with Windows Vista.
eScan 2003 Virus Control Edition
eScan 2003 VC performs real time scanning of incoming viruses and content using MicroWorld Winsock Layer Technology. Automatic updation and NETBIOS firewall facility is also provided. It works as spam filter for your desktop.
Spy-Kill
Spy-Kill is an advanced adware, spyware, malware, virus, memory and registry scanner for all 32-bit versions of Windows and Windows NT. Also included is a popup blocker for Internet Explorer and active monitoring support, offering live protection!
Principal AntiVirus
Principal AntiVirus protects your computer against viruses, trojans, worms, backdoors, spyware, adware and other malware. It does not use signature scanners, requires no regular updates and protects against both future as well as current malware.
Protector Plus 2007 for Windows Vista
Protector Plus 2007 for Windows Vista includes powerful features like Real-time scan, Email scan, automatic Virus signature updates on hourly basis and automatic submission of suspected files. Download this 30 day evaluation copyto try it free.