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.

AntiVir Personal

Avira AntiVir Personal - FREE Antivirus is a reliable free antivirus solution, that constantly and rapidly scans your computer for malicious programs such as viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc. Monitors every action executed by the user or the operating system and reacts promptly when a malicious program is detected.

  • Detects and removes more than 150,000 viruses
  • Always among the winners of comparison test featured in computer journals
  • The resident Virus Guard serves to monitor file movements automatically, e.g. downloading of data from the internet
  • Scanning and repair of macro viruses
  • Protection against previously unknown macro viruses
  • Protection against trojaner, worms, backdoors, jokes and other harmful programs
  • AntiVir protection against viruses, worms and Trojans
  • AntiDialer protection against expensive dialers
  • AntiRootkit protection against hidden rootkits
  • AntiVir protection against viruses, worms and Trojans
  • AntiPhishing protection against phishing
  • AntiSpyware protection against spyware and adware
  • NetbookSupport for laptops with low resolution
  • QuickRemoval eliminates viruses at the push of a button
  • Easy operation
  • Internet-Update Wizard for easy updating
  • Protection against previously unknown boot record viruses and master boot record viruses
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