Overview for macOS users

ClamAV is an open-source malware scanner that runs on macOS and other platforms. It’s designed to deliver reliable detection while keeping CPU and memory use to a minimum, making it a good fit for machines where efficiency matters. The engine is capable of identifying many types of malicious code and can be integrated into workflows that rely on command-line tools.

Installing on a Mac

  • Download the official macOS installer package from the ClamAV project site and follow the package installer prompts to set it up system-wide.
  • Use Homebrew to install with a single command if you prefer managing software via the package manager and want easier updates through brew.

Capabilities and supported content

  • Scans archived and compressed containers such as .zip and .rar, allowing for nested inspections inside packed files.
  • Detects threats across categories like Trojans, worms and classic viruses as well as suspicious payloads delivered via email or embedded in web content.
  • Performs on-demand scanning and can be integrated into mail servers or file-processing pipelines for automated checks.

Running scans and keeping definitions current

  • Update the virus signatures regularly to stay protected from emerging threats; this is typically done with the signature updater utility bundled with ClamAV.
  • Launch scans from the Terminal using the command-line scanner to check specific files, directories, or entire volumes; options exist to generate reports and quarantine findings for later review.

Strengths and typical use cases

  • Low resource consumption makes it suitable as a supplementary scanner on macOS systems that need background protection without a heavy footprint.
  • Favored in server and gateway roles (for example, mail servers) where automated, scriptable scanning is important.
  • Because it relies on command-line operation, it’s particularly appealing to administrators and power users who prefer terminal-based tools.

Technical

Title
ClamAV
Requirements
  • Mac
Language
English
Available languages
  • Arabic
  • Chinese (Simplified)
  • Dutch
  • English
  • French
  • German
  • Italian
  • Japanese
  • Korean
  • Polish
  • Portuguese
  • Russian
  • Spanish
  • Swedish
  • Turkish
License
  • Free
Latest update
2026-01-14
Author
Cisco Systems Inc.
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