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
although back then it was just a tool to remove the Viennamalware. In 1995 Ondrej Vlcek wrote the first anti-virus software for Windows
95 while he was still busy finishing his university studies.
Avast! is based on a central scanning engine that
is certified by ICSA Labs and West Coast Lab's Checkmark process and
incorporates anti-spy ware technology, also certified by West Coast Lab's
Checkmark process, as well as anti-root kit 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 a acronym
of "Anti-Virus – Advanced Set".
Its trademarked name is styled in all lower-case and includes an exclamation
mark, and a slogan 'be free'.
Avast! Free Antivirus is the freeware version of
the Avast! antivirus software available to Microsoft Windows and Linux users,
while Avast! Pro Antivirus is offered to businesses and users who want
additional features. Priority updates are delivered automatically using PUSH
update technology in Avast! Pro Antivirus. Avast! Pro Antivirus also has a
command line scanner and a script blocker; however, in version 6, the script
blocker is available to users of the free version,
Avast! Antivirus is a widely used antivirus
program, with over 165 million users worldwide as of October 2011.
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