ClamAV ® is an open-source antivirus engine for detecting trojans, viruses, malware & other malicious threats.

It provides many utilities for users, including a flexible and scalable multi-threaded daemon, a command-line scanner and an advanced tool for automatic database updates.

Download the official source code using the links below. We recommend running the latest stable release or the latest Long Term Support release on production systems.

ClamAV is an open source (GPLv2) anti-virus toolkit, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded …

The ClamAV Daemon, or clamd, is a multi-threaded daemon that uses libclamav to scan files for viruses. ClamAV provides a number of tools which interface with this daemon.

It packages more than 2000 popular open source titles and they can all easily be installed with dependency handling via pkgutil which is modeled after Debian’s apt-get.

In order to detect malware and other file-based threats, ClamAV relies on signatures to differentiate clean and malicious/unwanted files. ClamAV signatures are primarily text-based …

Are you interested in using libclamav to scan for malware in your own C/C++ application? This section introduces the most important functions of the libclamav API.

Beyond clamd.conf configuration, you can change the behavior of the On-Access scanner by passing in a number of command line options. A list of all options can be retrieved with --help, …

clamscan is a command line tool which uses libclamav to scan files and/or directories for viruses. Unlike clamdscan, clamscan does not require a running clamd instance to function.