Avira AntiVir Personal - Free Antivirus is a comprehensive, easy to use antivirus program, designed to offer reliable free of charge virus protection to home-users only. Avira offers: Extensive Malware Recognition of viruses, Trojans, backdoor programs, worms, etc. Automatic incremental updates of antivirus signatures, engine and entire software. Permanent virus protection, with Virus Guard real time monitoring. Install and configuration in just a couple of steps. Virus protection against known and unknown threats, using an advanced heuristic system.