avast! Virus Definitions

Protect your system and valuable data against computer viruses.
avast! 4 is a collection of award winning, high-end technologies that work in perfect synergy, having one common goal: to protect your system and valuable data against computer viruses. avast! represents a best-in-class solution for any Windows-based computer
iAVS is a fast, small, incremental and fully automated update via the Internet. Updates are released at least twice a week.
Improved Antivirus and anti-spyware engine
New avast! Intelligent Scanner
New Silent/Gaming Mode
New Behavior Shield
Real time anti-rootkit protection
Smart virus updates
avast! Community IQ
Behavioral Honeypots
Green computing
avast! iTrack
File System / Mail Shield
Web Shield
IM / P2P Shield
Network Shield