avast! Antivirus
All-inclusive and comprehensive protection, avast! Antivirus includes ANTI-SPYWARE protection, certified by the West Coast Labs Checkmark process, and ANTI-ROOTKIT DETECTION based on the best-in class GMER technology, built into the scan engine.

avast! Home Edition, anti-spyware & anti-rootkit for Windows is Free for personal use!

More Info: avast! | avast! Linux Home Edition

avast! antivirus editions, including the free Home Edition, now support the new Windows Vista platform
(both 32-bit and 64-bit builds).

avast! Virus Cleaner(Free) Tool
The latest version is 1.0.211, built on 11.5.2007.
Download»


List of known worms the Cleaner removes:
http://www.avast.com/eng/avast-virus-cleaner.html

The latest iAVS update was published on: 21.11.2009 version: 091121-1
http://www.avast.com/eng/updates.html
http://www.avast.com/eng/vps_history.html