A great free antivirus option. The home edition is free of charge for home users and for non-commercial use.
language : English
http://www.avast.com/eng/download-avast-home.html
Free Antivirus
A good and free antivirus software is an essential tool. Here you will find some programs you can use.
Offers a free edition, available free-of-charge to home users. For private, non-commercial, single home computer use only.
language : English
Detects and removes more than 50,000 viruses, repair of macro viruses and protection against unknown macro viruses.
language: English and German
Free online virus scanner, you do not need download or install. Scans boot sector, fiels, folders and more. Frequent updates.
language: English
http://housecall.antivirus.com/