Virus being missed. (assumed)

Matt Kettler mkettler at EVI-INC.COM
Fri Mar 4 19:33:03 GMT 2005

At 01:30 PM 3/4/2005, David Curtis wrote:
>I think I have a virus that is being missed by mailscanner/clamav.
>Mailscanner tags it as spam: X-SBSD-MailScanner-SpamCheck: spam,
>SpamAssassin (score=7.065, required 3.75,
>  BAYES_60 0.37, DCC_CHECK 2.17, HTML_90_100 0.02, HTML_MESSAGE 0.00,
>The attachment has a rar file seams to be a randomly generated number with
>a file dddd.exe in it.

Do you have the external unrar utility installed? (note: the latest version
of rar costs, but there is a freeware command-line unrar for *nix)


ClamAV's built-in rar support doesn't support the newer rar3 format, so you
need to install the external unrar utility and then
edit  /usr/lib/MailScanner/clamav-wrapper to enable the --unrar parameter.

You can use this site to send a rared eicar file.. It wasn't caught by
clamav until I added external unrar support.

------------------------ MailScanner list ------------------------
To unsubscribe, email jiscmail at with the words:
'leave mailscanner' in the body of the email.
Before posting, read the MAQ ( and
the archives (

Support MailScanner development - buy the book off the website!

More information about the MailScanner mailing list