Best Free Antivirus with antispyware protection
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.
Avast Home Edition - Free Antivirus is a complete ICSA & Checkmark certified antivirus, Checkmark certified anti-spyware & anti-rootkit package.
Avast includes the following components: On demand scanner with skinnable simple interface, just select what do you want to scan in which way and press the Play button; On access scanner, special providers to protect the most of available e-mail clients; Instant messaging--ICQ, Miranda; Network traffic--intrusion detection, lightweight firewall; P2P protection for Kazaa, BitTorrent; Web shield--monitors and filters all HTTP traffic; NNTP scanner--scans all Usenet Newsgroup traffic and all operations with files on PC; Boot time scanner--scans disks in the same way and in the same time as Windows CHKDSK does.
Key Features:
Antivirus and anti-spyware engine
avast! Intelligent Scanner
Silent/Gaming Mode
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
Anti-rootkit built-in
Strong self-protection
Simple User Interface
Automatic updates
Support for 64-bit Windows
Note: You need to register the program after 30 days to get protected