LINUX – ClamAV Unofficial Signatures Updater

The clamav-unofficial-sigs script provides a simple way to download, test, and update third-party signature databases provided by Sanesecurity, FOXHOLE, OITC, Scamnailer, BOFHLAND, CRDF, Porcupine, Securiteinfo, MalwarePatrol. The package also contains cron, logrotate, and man files.

https://github.com/extremeshok/clamav-unofficial-sigs

The “original” script deployed via apt-get or yum is outdated and generates many error messages mainly because some of the DBs are no longer free and require account setup in order to download the files.