Built-in remote assistance. Good malware cleanup. Simple, accurate spam filter. Firewall auto-decide quashes popups. Sandbox feature isolates unknown programs. SafeZone browser protects sensitive browsing sessions.
Avast did a decent job keeping malware out of my clean test system, but the majority of its competition did better. Avast's web shield component did prove particularly effective when I tried to re-download my sample set. However, in my standard malware blocking test Avast detected 89 percent of the threats and scored 8.1 points. Comodo and Webroot detected 100 percent; Webroot aced this test with a perfect 10 of 10 points. The How We Test Malware Blocking explains my testing technique.
The Web reputation browser plug-in, also present in the free antivirus, rates the current site based on users' votes. Its icon reflects an overall good or bad rating, as well an indication of how many votes went into that rating. You can also tag a site with any of five good and five bad attributes.
All of the independent antivirus labs that I follow include Avast in their tests, which is a good sign. It generally earns good scores, typically better in static tests than dynamic ones. In a dynamic real-time test by AV-Comparatives.org it rated STANDARD, the lowest passing grade. And in AV-Test.org's latest whole-product certification tests it averaged 13 points, with 11 of 18 necessary to pass. The chart below summarizes recent independent lab tests. For more details about the labs, see How We Interpret Antivirus Lab Tests.
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