freshclam...
 

i installed it with apt-get and when i run it, it always give me that message:

ClamAV update process started at Wed May 5 15:39:58 2004
Reading CVD header (main.cvd): OK
main.cvd is up to date (version: 22, sigs: 20229, f-level: 1, builder: tkojm)
Reading CVD header (daily.cvd): OK
daily.cvd is up to date (version: 303, sigs: 1196, f-level: 2, builder: trog)
WARNING: Your ClamAV installation is OUTDATED - please update immediately !
WARNING: Current functionality level = 1, required = 2

how can i update it? or how can i solve this? :-) thanks

Get the latest version of ClamAV
http://www.clamav.net/
or get it with apt-get if you can