Avast internet security is of the best antivirus providers which is famous because of its flagship antivirus Avast Free.
Avast free is protecting over 143 million computers surpassing even that of AVG free which has 110 million registered users world wide. Apart from that avast free provides the same level of protection as that of some of the paid versions of antivirus providers provide. As of Avast 5 there has been a major uplift in the Over all avast product like behavior detection, sand boxing technology, web reputation, improved engine and one of the major changes is its new orange colored UI & improved scanning speed.
