ClamAV

ClamAVNet is a versatile and open-source antivirus engine that offers a range of features and capabilities, including a multi-threaded scanner daemon, command-line utilities for on-demand file scanning, and automatic signature updates. It supports multiple file formats and signature languages, as well as file and archive unpacking, making it a reliable choice for detecting and preventing malware threats. With its high-performance scanning capabilities, ClamAVNet is well-suited for use cases such as mail gateway scanning, where speed and accuracy are critical. The latest stable release, version 1.4.2, provides access to the latest security updates and features, and its open-source nature allows for customization and integration with a variety of operating systems. Overall, ClamAVNet provides a robust and flexible solution for organizations seeking to protect themselves against malware and other cyber threats.