Not detecting some instances of viruses

Stephen Swaney steve.swaney at fsl.com
Fri Nov 3 13:28:55 GMT 2006


> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-
> bounces at lists.mailscanner.info] On Behalf Of Jon Bates
> Sent: Friday, November 03, 2006 12:29 AM
> To: mailscanner at lists.mailscanner.info
> Subject: Not detecting some instances of viruses
> 
> 
> I'm having trouble whereby only SOME instances of the same virus are being
> identified by ClamAV.
> 
> The virus is exactly the same type every time, but only some get detected
> -
> the rest are sent on to the user!
> 
> There is no pattern that I can see - Zip files (containing infected exe),
> and plain exe files have been allowed through.
> 
> I've subsequently scanned the users mailbox on the server using clamscan,
> and it DOES detect the email! For some reason, when it is scanned when the
> message is received, it's not detected.
> 
> Any help would be appreciated!
> 
> - Jon Bates
> 

And the version of ClamAV that you are using is?

Steve

Stephen Swaney
Fort Systems Ltd.
stephen.swaney at fsl.com
www.fsl.com



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