There are a handful of commercial packages which do this kind of analysis 
and blocking -- and they're expensive.  I seriously doubt that anyone who 
can do this well is giving it away free.

  Rootkits are malware that buries itself so deep in the OS that most tools 
can't find it.  Imagine, for instance, something that intercepts requests to 
list folder contents and "adjusts" the results to hide itself....

David Gillett



On 7 Sep 2007 at 9:50, Robert Citkowitz wrote:

> Anyone know of any risk to installing this freeware from Downloads
> Digest? 
> 
> ThreatFire offers protection against both known and unknown viruses,
> worms, trojans, rootkits, and more. It uses behavioral analysis to
> hunt down and paralyze threats that are too new or too clever to be
> recognized by traditional "signature-based" antivirus software. 
> 
> And what are rootkits - new to me?
> Rob

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