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.

FREE avast! antivirus 4.x Home Edition

FREE avast! antivirus 4.x Home Edition, anti-spyware & anti-rootkit for Windows

The simple home solution to great protection

avast! antivirus Home Edition represents the best FREE antivirus protection currently available on the market. This edition is FREE OF CHARGE for non-commercial & home use only. Both of these conditions should be met! If you are not a home user or if you use your computer for business purposes, we offer a wide range of more suitable products providing higher data security, starting with avast! Professional Edition.

avast! antivirus Home Edition provides continuous protection of your valuable data and programs by updating itself automatically. Simply install and forget. It also comes with anti-spyware & anti-rootkit protection for Windows, which are typically available only in the paid versions of many antivirus products. To download the FREE avast! antivirus Home Edition, click the download icon below (English version)

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