Avira AntiVir Personal Free Antivirus is a comprehensive, easy to use antivirus program, designed to offer reliable free of charge virus protection to home-users only. Avira offers: Extensive Malware Recognition of viruses, Trojans, backdoor programs, worms; Automatic incremental updates of antivirus signatures, engine and entire software; Permanent virus protection, with Virus Guard real time monitoring; Install and configuration in just a couple of steps, setup to protect your PC in minutes; Virus protection against known and unknown threats, using an advanced heuristic system; Scheduler where you can set the scanner to make automatic virus scans or updates on your system; Forum and phone support; Knowledge Base with virus descriptions available on web site; Rootkit Detection and Removal; A modularized AV-search engine for improved scan performance.

Version 9 introduces a quick-removal button for eliminating viruses with a single click, enhanced anti-spyware and anti-adware engines, and support for low resolution netbook screens.

Avira AntiVir Personal - Free Antivirus 9.0.0.407 - 32MB

Freeware antivirus that provides effective protection against computer virusesAntiVir Personal Edition is a software that helps you protect and monitor your PC.
AntiVir software 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.), monitoring every action executed by the user or by the operating system and being able to react promptly when a malicious program is detected.
Protects your computer against dangerous viruses, worms, Trojans and costly dialers.
Avira AntiVir Personal gives you the following functions:
· Control Center for monitoring, administering and controlling the entire program
· Central configuration with user-friendly standard and advanced options and context-sensitive help
· Scanner (On-Demand Scan) with profile-controlled and configurable search for all known types of virus and malware
· Integration into the Windows Vista User Account Control allows you to carry out tasks requiring administrator rights
· Guard (On-Access Scan) for continuous monitoring of all file access attempts
· Integrated quarantine management to isolate and process suspicious files
· Rootkit protection for detecting hidden malware installed in your computer system (rootkits) (Only for 32-bit systems)
· Direct access to detailed information on the detected viruses and malware via the Internet
· Simple and quick updates to the program, virus definitions, and search engine through Single File Update and incremental VDF updates via a webserver on the Internet
· Integrated Scheduler to plan one-off or recurring tasks, such as updates or test runs
· Very high rates of virus and malware detection using innovative search technologies (search engines) and heuristic search processes
· Detection of all common archive types, including detection of nested archives and smart extensions
· High-performance multithreading function (simultaneous high-speed scanning of multiple files)

Avira AntiVir Personal is a reliable free antivirus solution, that constantly and rapidly scans your computer for malicious programs (viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc.), monitoring every action executed by the user or by the operating system and being able to react promptly when a malicious program is detected.

Avira AntiVir Personal is a comprehensive, easy to use antivirus program, designed to offer reliable free of charge virus protection to home-users only, not for business or commercial use.
Features of Avira AntiVir Personal:

- 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.

Avira Antivir has received an increasing amount of attention since garnering the highest score of any free security program on AV-Comparatives independent testing service for on-demand testing.

It fares a bit worse on the "Retrospective/ProActive" test, although still better than any of the other applications tested. However, it's hard to find anybody who finds the virus definition file update speed to be fast: it's notoriously slow. We put Antivir through the CNET Reviews Labs benchmarking process and came up with some unsurprising results.

When running alongside other high-drain processes, such as iTunes file conversion and while running MS Office, Antivir scored high. CA Antivirus and Panda 2008 were the top two products, followed by the premium version of Antivir and then the standard version, but all others tested including AVG Anti-Virus, Kaspersky, and Avast fell in behind them.

The MS Office test produced far less staggering results. With Antivir Personal completing the test in 271 seconds and Antivir Premium finishing in 270. The fastest of the 12 products, Panda 2008, scored 269.67 seconds, while the slowest, F-Sure, hit 273.33, so Avira was more toward the average here than in the other tests.

Overall, Avira slowed down the test machines somewhat, but it caused less drag on system resources than most--but not all--of its competitors. Boot time tests placed it at an average of 30.85 seconds, one second slower than Kaspersky, two seconds slower than BitDefender, and nearly two and a half seconds slower than the premium edition of Antivir. In scan testing, Antivir scored second-fastest after Panda 2008, and nearly three times faster than AVG Anti-Virus 8.0.

Combined with its high marks for removing and preventing infections, I remain convinced that Antivir is the best free antivirus on the market right now.