Clam AntiVirus

Clam AntiVirus (ClamAV) is an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats. One of its main uses is on mail servers as a server-side email virus scanner. ClamAV is free and versatile, supporting multiple file formats, file and archive unpacking, and multiple signature languages. We developed a FireEye Helix parser for ClamAV that comes standard in your instance.