Seemingly, it may not be directly related to this forum but the debate going 
on in tidbits should be of interest to posters here who by the look of it 
are in the thick of it all and probably experts in the field. They should  
look especially at item 23 by Randy B Singer of March 31, 2008. Although 
Singer is only talking about mac programers and universities and so on, I 
believe, Clamav experts should also get into this equation: 

[23. Re: Should Mac Users Run Antivirus Software?
Message #19: Re: Should Mac Users Run Antivirus Software?
Posted by: Randy B. Singer Date: Mar 31, 2008. 

A discussion of the free ClamXav anti-virus application may be in
order. ClamXav
http://www.clamxav.com/ 

is a Mac port of the UNIX anti-virus program ClamAV
http://www.clamav.net/ 

Mac users download ClamXav and think that it is protecting them from
all known Mac malware, such as Trojan Horses, scareware, etc. But it
isn't. On Macintouch the developer of ClamXav admitted that he
doesn't know how to write and add anti-virus definitions for ClamAV's
database (which is what is used by ClamXav). And the ClamAV folks
are not members of the alliance that the commercial Mac anti-virus
application developers belong to, where, when they identify and
aquire a copy of a new malware threat, they share it with each other
in order to quickly analyze it and create new definitions for their
respective products. So the ClamAV folks don't appear to have access
to all existent Mac malware, which is a problem because most of it
can be quite hard to find. As a result no one appears to be
consistently adding new definitions for Mac malware to ClamAV's
database. 

You can search the ClamAV database here:
http://clamav-du.securesites.net/cgi-bin/clamgrok
As a test, do a search for, for instance, for "Macintosh", or for one
of the
known (though very rare) Macintosh Trojans, for instance: "Opener" or
"Renepo," and see if anything shows up. (Nothing will.)
What this means is that ClamXav doesn't look for much in the way of
Macintosh-specific malware.
non-windoze viruses             
I fear that ClamXav lulls many Mac users into thinking that they are
protected from all Mac malware, when they aren't. It isn't even
clear that, if a very malicious and highly infectious Mac virus were
to suddenly appear on the scene, that there is anyone who would be
adding a definition for it to the ClamAV database. 

Ideally, folks in the Macintosh community with some programming
knowledge would get behind the ClamAV project, form some sort of
alliance with Mac users at universities and in other large usage
settings to quickly identify and capture Mac malware threats for
analysis, and write and submit Mac-specific definitions for ClamAV as
necessary. ClamXav has the potential for filling the niche once
occupied by Disinfectant. But until folks in the Mac community get
behind it, it is sort of a paper tiger.] 

The whole discussion can be read at http://db.tidbits.com/ 

Cheers 


 

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