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Posted by Caesar Romano on August 17, 2008, 6:22 am
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On Sat, 16 Aug 2008 19:20:50 -0400, "David H. Lipman"
>
>| Does using the "heuristic" scan mode in AVG 8 do any good? Is that
>| useful or just a gimmick?
>
>
>Heuristics is something that all anti virus applications/scanners perform to
one degree or
>another.
>Some you just enable/disable. Others you can enable with at various levels.
>
>Basically all AV scanners use signature based detection. Heuristics takes it a
step
>further based upon known characteristic in the case of there not be a signature
for a new
>infector. Here the application/scanner takes the, "if it walks like a duck and
squawks
>like a duck then it must be a duck" approach. This greatly enhances detection.
However
>the negative side is an increase in False Positive declarations. This is where
a
>quarantine action comes into play. If a heuristic detection causes a file to
be falsely
>identified, the file will go into quarantine. Later when the file's
declaration was
>deemed to be a False Positive, the file can be restored.
>
>In short, heuristics is NOT a gimmick and is quite useful.
Thanks very much for the comments David.
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