Clamav Signatures
Clamav Signatures from malware expert help improve the detection rate on malware from PHP files. You can add malware expert clamav signatures to freshclam.conf file: DatabaseCustomURL http://cdn.malware.expert/malware.expert.ndb DatabaseCustomURL http://cdn.malware.expert/malware.expert.hdb DatabaseCustomURL http://cdn.malware.expert/malware.expert.ldb