From the ClamAV website:
"Clam AntiVirus is a GPL anti-virus toolkit for UNIX. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command line scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use with your own software. Most importantly, the virus database is .:: hangoutshelp.net ::. [Developer Guide: React] .:: nl.gta5-mods.com ::. .:: podcasts.apple.com ::. .:: help.pinterest.com ::. [ArXiv: Cloud computing Analysis] .:: telegra.ph ::. .:: talk.tacklewarehouse.com ::. .:: andyevita7.wixsite.com ::. kept up to date."