Antivirus software are computer programs that attempt to identify, neutralize or eliminate malicious software. The term "antivirus" is used because the earliest examples were designed exclusively to combat computer viruses; however most modern antivirus software is now designed to combat a wide range of threats, including worms, phishing attacks, rootkits, trojan horses and other malware. Antivirus software typically uses two different approaches to accomplish this:
* examining (scanning) files to look for known viruses matching definitions in a virus dictionary, and
* identifying suspicious behavior from any computer program which might indicate infection.

The second approach is called heuristic analysis. Such analysis may include data captures, port monitoring and other methods.
Most commercial antivirus software uses both of these approaches, with an emphasis on the virus dictionary approach.

Download Avast Home Edition - Free Antivirus 4.8.1367

avast! Antivirus Home Edition 4.8.1367 is available free of charge for non-commercial home use only. Avast Home Edition - Free Antivirus is a complete, certified anti-spyware and anti-rootkit package. Avast includes the following components: an on-demand scanner with skinnable simple interface; an on-access scanner with special providers to protect most commonly available e-mail clients; instant-messaging intrusion detection with a lightweight firewall; P2P protection; a Web shield that monitors and filters all HTTP traffic; an NNTP scanner that scans all Usenet Newsgroup traffic and all operations with files on PC; and a boot-time scanner that scans disks in the same way and in the same time as the Windows Chkdsk application does.

Avast Antivirus Home Edition is free to use but requires e-mail registration before the end of the initial 60-day trial period. Following the registration you will receive by e-mail a license key valid for a period of 1 year.

What's new in this version:
Version 4.8.1367 includes improvements in the malware URL blockers and solved a vulnerability in aswRdr.sys.

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