Changes between Version 3 and Version 4 of FalsePositives


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Timestamp:
Jan 21, 2013, 11:17:12 AM (5 years ago)
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admin
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  • FalsePositives

    v3 v4  
    33We get reports about false positives from virus scanners regularly, so we thought we would write a little about it. 
    44 
    5 The problem with commercial virus scanners like Norton and !McAfee is that they depend on fear-mongering to keep their income up. If they don't find a "virus" every now and again you might start to think that they aren't really worth the money you're paying. We're not saying they deliberately cause false positives, but this attitude does cause them to make their detectors very sensitive so that they regularly claim that things contain viruses or malware which are in reality completely clean, such as my program. 
     5The problem with commercial virus scanners like Norton and !McAfee is that they depend on fear-mongering to keep their income up. If they don't find a "virus" every now and again you might start to think that they aren't really worth the money you're paying. We're not saying they deliberately cause false positives, but this attitude does cause them to make their detectors very sensitive so that they regularly claim that things contain viruses or malware which are in reality completely clean, such as our program. 
    66 
    77So called "heuristics based" detectors are especially bad. Those are detectors that don't look for a specific, known, virus, but instead look for virus-like behaviour. Of course, a completely legitimate installer does a lot of things that a virus also does, such as write files, write to the registry, etc.. And Norton especially has a habit of flagging files as being evil just because they are new (you know, like a new release of a software program...).