This is what I get when I run that:
/usr/local/cpanel/3rdparty/bin/freshclam
ClamAV update process started at Wed Apr 23 14:45:36 2014
main.cld is up to date (version: 55, sigs: 2424225, f-level: 60, builder: neo)
Downloading daily-18848.cdiff [100%]
Downloading daily-18849.cdiff [100%]
daily.cld updated (version: 18849, sigs: 905424, f-level: 63, builder: neo)
bytecode.cld is up to date (version: 236, sigs: 43, f-level: 63, builder: dgoddard)
Database updated (3329692 signatures) from database.clamav.net (IP: 64.22.33.90)
clamscan -ir
LibClamAV Warning: **************************************************
LibClamAV Warning: *** The virus database is older than 7 days! ***
LibClamAV Warning: *** Please update it as soon as possible. ***
LibClamAV Warning: **************************************************