Avast! is an antivirus computer program developed by AVAST Software a.s. (formerly known as ALWIL Software a.s.), a company based in Prague, Czech Republic. It was first released in 1988[citation needed]. 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 its detection of 100% of in-the-wild viruses, and is a past winner of the Secure Computing Readers Trust Award. The name Avast is derived from Anti-Virus - Advanced Set . Its trademarked name is styled in all lower-case and includes an exclamation mark

Avast! Free Antivirus previously known as Avast! Home keep you through multilateral defense. Antivirus, antispyware and heuristic engine form the core of security, which also includes multi-shields in real time. Other new funksii are silent game and intelligent scanner , which monitors only the changed files after the established base.

AVG Anti-Virus Free Edition is trusted antivirus and antispyware protection for Windows available to download for free.

avast! Free Antivirus is perfect for people who send e mails and surf popular websites. avast! is a package of applications that aim to protect your computer from a possible virus infection or other malware threat. If you use it correctly, and in combination with other programs such as data backup utilities, it will significantly reduce the risk of your computer being attacked or infected by a virus, and thus the risk of losing important or private data.

The mechanism of protection of anti-virus products Avast! based on the enabling technologies. Using speed and efficient updates and advanced multi-layered defense against all sources of infection in real time, products Avast! always on guard for the security of your computer.

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