5 Best Free Antivirus candidates (version 2012) In the last decade, free antivirus solutions have gone from mediocre to become security programs better than many equivalent paid ones, offering a high quality protection at zero cost. The five chosen ones account for 40% of the overall market share: Data Courtesy: OPSWAT (Software market analysis report 2011 ) Avast! Antivirus 6 It’a a long time since when Avast 4.8 was called as Music Player interfaced Antivirus. Since version 5, revolution began with constant improvements which resulted out ...