On Thursday 08 January 2004 12:21 pm, Payal Rathod wrote:
> Hi all,
> Recently I noticed that Norton AV clears more than 60,000 viruses,
> maybe other virus scanners also have similar numbers, why do we have a
> very less number?
Two main reasons:
1. ClamAV has a high proportion of recent viruses, and a lower proportion of
old viruses. Other products often count ancient viruses in their list of
signatures - it looks good for marketing, even if no-one's seen that
particular bit of code in the wild for 10 years.....
2. Many vendors count minor variations in viruses as multiple signatures,
whereas ClamAV often catches several variations with a single signature.
Again, the higher number looks good for marketing, even though it really
means the product is ratehr less efficient at detecting the viruses and has
to search a bigger database of signatures to achieve the same effect.
Antony.
--
Wanted: telepath. You know where to apply.
Please reply to the list;
please don't CC me.
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