1. mv /etc/clamd.conf /etc/clamd.conf.bak

2. mkdir /home/src

3. cd /home/src

4. wget http://www.sprintserve.net/files/clam-updater.tar.gz

5. tar xvzf clam-updater.tar.gz

6. cd clam-updater

7. ./install

8. cd /etc

9. pico clamd.conf

In pico, uncomment the following items:
ScanPE
DetectBrokenExecutables
ScanOLE2
ScanMail
ScanHTML
ScanArchive

and then ctrl-o and ctrl-x to save and exit.

10. now you need to put this line into your exim-conf editor in WHM
go to Main >> Service Configuration >> Exim Configuration Editor and in the first box add

av_scanner = clamd:/var/run/clamav/clamd 

this will tell exim the path for the scanning software

11. service exim restart

12. tail -f /var/log/exim_mainlog

watched log to make sure that mail was being delivered.

13. clamscan -V

Should report version 0.88

14. /etc/cron.daily/freshclam

runs freshclam to update the virus definitions

Done!