Control: forwarded -1 https://github.com/extremeshok/clamav-unofficial-sigs/issues/203
There is a bugreport in the unofficial-sigs repo stating the same, the workaround is to disable the yara rules > It seems that it is enough to disable yara rules, and keep the fresh clamav > version: > Set in /etc/clamav-unofficial-sigs/master.conf > yararulesproject_enabled="no" > enable_yararules="no" > And delete *.yar and *.yara from /var/lib/clamav/