SquidClamAv is a dedicated ClamAV antivirus redirector for Squid. It provides fine control over which files should be scanned. It is easy to install and works even with heavy Squid access.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
Chained program zombies on BSD systems and an install problem on FreeBSD were fixed. A workaround was added for Squid versions lower than 3.0, which made maxsize control fail with location redirection.