Free scan engine software for windows

Malware Scan 3.0.0 has very high efficiency and speed to discover and remove adware, spyware, trojans, worms, hijackers, keyboard loggers and other malicious programs. It also provides a service which can customize a special malware removal tool for general users who don't have much knowledge on how to remove malware from their computers.

FireLite is a scan only version of Fire Anti-virus and it contains only limited features. FireLite uses Fire world class scan engine to detect viruses.
The new high speed scan engine detects more than 52,470 viruses including deadly viruses like Klez worm and its variants, BadTrans.B, Nimda worm, SirCam Worm, I-Worm/BadTrans, Win32/Magistr, Hybris aka Hahaha worm, MTX, Kak Worm, WYX aka PollyBoot virus, VBS/LoveLetter, Win32/FunLove, I-Worm/Navidad, Anna virus aka VBS/SST and new viruses like VBS/HomePage aka VBSWG.X and CodeRed worm.
The scan engine is designed to identify old type DOS based Boot, File viruses, Windows based viruses, Backdoors, Trojans, Spy tools, VB Script, Java Script viruses, Batch viruses, Unix and Linux viruses, Corel, MDB viruses and the famous Word and Excel macro viruses.
The heuristic and polymorphic engine is also improved.
Version restrictions:
- The program only provides the scan, it cannot remove any viruses

TBClamWin is an antivirus plugin for The Bat! from Ritlabs, one of the most powerful e-mail clients for Windows.
The plugin uses ClamWin as the virus scanning engine. Its a free antivirus for Windows, based on ClamAV: the first open source, GPL licensed antivirus.