Re: Show me the Virrii! (heuristics)

[S G Masood <sgmasood () yahoo com>]

Hi Alex,

Good points.

To add an example, Swen was detected automatically as
"W32.Automat.AHB" by Norton AV before its signatures
were added. When Norton AV detects a new virus based
on heuristics, it usually identifies it as
"W32.Automat.*", with "Automat" probably standing for
"Automatically Detected".

Regards,

--
S.G.Masood




--- starlabs <ashipp () messagelabs com> wrote:
> > Does anyone have reliable reports of an antivirus
> system firing 
> > off on a heuristic?
>
> > I'm not aware of ever having seen one; always seems
> to be a
> > signature.
>
>
> As part of my job I regularly evaluate antivirus
> products. I have 
> seen plenty of heuristic detections; all the engines
> have different 
> heuristic capabilities, so some detect more new
> malware than others, 
> and of course some also have more false positives
> than others.
>
> Your experience might be because you are using a
> poor heuristic
> engine, or because by the time you get a sample of a
> real new
> virus, your vendor has released a signature anyway,
> even if they
> detected it heuristically anyway.
>
> My findings indicate that the state of the art is
> that most 
> new malware can be detected heuristically these
> days.
>
> Regards,
>
> Alex
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