Avast! Antivirus Reviews Avast! Antivirus, as one of the most downloaded antivirus in the world, is developed by ALWIL Software a.s., a company based in Prague, Czech Republic. It was first released in 1988. Avast! is based on a central scanning engine that is certified by ICSA Labs and West Coast Lab's Checkmark process and incorporates anti-spyware technology, also certified by West Coast Lab's Checkmark process, as well as anti-rootkit and self-protection capabilities. It is a multiple recipient of the Virus Bulletin VB100 Award, for detection of 100% of "in-the-wild" viruses, and is a past winner of the Secure Computing Readers' Trust Award. Avast 5 Pro edition is the latest addition to one of the most powerful antivirus for PC. The Avast! product range comprises the following: * Avast! Free Antivirus (formerly the Avast! Home Edition)-being available for download by everyone. You can use it at home or at your office to provide a good PC protection. * Avast! 5 Pro Antivirus (formerly the Avast! Professional Edition)-providing a better than the free edition protection. Better for companies. * Avast! 5 Internet Security Suite. Avast 5 offers a new "Behavior Shield" designed to recognize suspicious activities, support for detecting and removing potentially unwanted programs, and a redesigned user interface. Download avast 5.0 internet security which also includes a personal firewall and an antispam module. If you want the Avast! 5 Antivirus, you can choose avast internet security 5 free download at any download sites. But if you want to be more protected, purchase the Avast! 5 Pro. If you don't have money, do not try or use Avast! 5 Pro Antivirus serial numbers, cracks and key generators!