I wish someone would write a "virus" that is actually a self-spreading
antivirus.  Wouldn't that be something?

Patrick Price
West Virginia University

Valdis Kletnieks wrote:

>On Wed, 09 Oct 2002 04:42:41 +0200, Eric Thomas <[log in to unmask]>  said:
>
>>we had to work with. The fact that it still catches viruses even when behind a
>>central e-mail scanner that is supposed to stop all viruses shows that all this
>>work was not for nothing.
>>
>
>Somewhat off topic, but Fred Cohen (the same guy who came up with the concept
>of a virus) showed that stopping *ALL* viruses is equivalent to the Turing
>Halting Problem, and thus fundamentally impossible.
>
>http://www.all.net/books/virus/index.html
>
>Stopping 99.98% of viruses isn't too hard - but stopping ALL of them is
>impossible.. Anybody who says it's doable is obviously a salesman. ;)
>