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ClamX Free Mac Antivirus and Windows

ClamXav 2.2.2 with ClamAV 0.97.2 backend - 22nd August 2011


Requires at least Mac OS X 10.5 *
Available in English, Danish, French, German, Japanese, Korean and Spanish.

If you already have ClamXav 2.0.x installed, please use the "Check for ClamXav updates" option in the ClamXav menu as it simplifies the update procedure.

*If you're on OS X 10.4, please see below.


Mac App Store Version

A slightly modified version of ClamXav is available in the Mac App Store.

What are the differences between the version of ClamXav available to download here and the version on the Mac App Store?

  • The App Store version doesn't contain ClamXav Sentry, so it is not able to watch your computer for new files and scan them as they arrive.
  • There is no engine installation phase as the App Store requirements stipulate that everything must be self-contained within the app.
  • Virus definition updates are downloaded on a per-user basis.
  • Updates to the ClamXav app itself are taken care of via the Mac App Store.
  • Mac OS X 10.6 or greater is required.

The exact same version which is on the Mac App Store can also be downloaded here.

Mac OS X 10.4 Users

New versions of ClamXav have a minimum requirement of OS X 10.5, so if you're still using 10.4, you should download Version 2.2.1 and turn OFF application-update checking in ClamXav's preferences.

You should, however, keep checking for virus definitions as you will still receive updates for these for the time being.

SHA1 Checksums

The SHA1 checksum can be used to check the authenticity of files you download from this website. To use it, open the Terminal (which is inside the Utilities folder), type
/usr/bin/openssl sha1
followed by a space and then drag into the terminal window the file you downloaded, hit return and verify that the number returned to you is the same as the one here.

Note, this will not work if you decompress the archive first. You have to do it on the exact file you download from this website.


sha1 for ClamXav_2.2.2.dmg is 35a27c7f8fffdf35349e46555d2705d7305d4039

Version History

Version 2.2.2 - 22nd August 2011
       Updated ClamAV engine to 0.97.2*
       Fixed an issue with virus definition files having wrong permissions after a defs update
       Fixed window placement bug on 10.7 Lion
       Fixed Spanish translation error in the scheduling preference pane
       Updated engine remover for LaunchAgents
       Added Danish, French, German, Japanese, Korean, Spanish to AppStore version
          * If you have edited freshclam.conf and clamd.conf by hand, you can find your old files inside /tmp.†
          † If you don't know what that last line means, you can probably ignore it!

Version 2.2.1 - 23rd July 2011
       This is the final version which will work on OS X 10.4
       Launching ClamXav Sentry automatically when saving preferences if appropriate.
       Fixes a few scheduling bugs in 10.4 introduced in the last release.

Version 2.2 - 22nd June 2011
       Scanning engine updated to ClamAV 0.97.1*
       Added the ability to scan your entire hard drive
       ClamXav help menu linked to online documentation
       Miscellaneous bug fixes
       Sentry: Hold command key and click "Ignore warning" to hide multiple warnings.
       Support for 10.7 Lion

Version 2.1.1 - 24th March 2011
       Maintenance release to update engine to ClamAV 0.97.

Version 2.1 - 8th January 2011
       Full release from Beta phase.
       Fixed bug preventing the use of a custom ClamAV installation path.
       Improved stability.
       Updated the included version of Sparkle to fix various issues.

Version 2.0.9 - 24th December 2010
       Scanning engine updated to ClamAV 0.96.5 *
       Improved stability during scan.
       Fixed issue with Sentry incorrectly reporting certain files as infected.

Version 2.0.8 - 31st October 2010
       Scanning engine updated to ClamAV 0.96.4 *
       Improved stability during scan.
       Fixed the issue giving "Error creating tmp directory" on scan after installation.
       Fixed issue with Sentry scanning files with similar names to folders being watched.

Version 2.0.7 - 10th September 2010
        Scanning engine updated to ClamAV 0.96.2 *
       Hold option key while clicking "start scan" in toolbar to update defs prior to scan.
       Updated ClamXav Sentry icon and menu bar graphics (thanks Bojan).
       Dealing with errors better - in particular the infamous "error" 2.
       Improved Installation and Update procedures.
       Improved stability in ClamXav and Sentry.

Version 2.0.6 - 10th June 2010
        Scanning engine updated to ClamAV 0.96.1 *
        Added ability to download just the differences to virus definition files rather than dowloading the whole file each time.
        Fixed a bug caused if an exclude setting is left empty but enabled.
        Fixed issues preventing ClamXav Sentry from launching at log in.
        Improved stability in ClamXav during scans.

Version 2.0.5 - 19th December 2009
        Added German localisation.
        Added option to play a sound at the end of each scan.
        Fixed an intermittent bug causing text to appear in ClamXav's console log unexpectedly.
        Fixed a bug which prevented pasting text into ClamXav's exclusion settings.
        Fixed bug in Sentry causing delays going to sleep in 10.6.
        Stability improvements in Sentry particularly under 10.6.
        Fixed crash in Sentry which would occur if changing prefs in ClamXav whilst Sentry was running but not actively watching.

Version 2.0.4 - 8th November 2009
        Scanning engine updated to ClamAV 0.95.3
        Printing out an extra message at the end of a scan stating clearly whether any infected files were found and what was done with them.
        Fixed an issue with Quarantine settings when updating from ClamXav 1.x to 2.0
        Fixed the notorious "something unexpected happened" bug in Sentry.
        Improved stability in ClamXav Sentry during scans and after waking from sleep.

Version 2.0.3 - 16th September 2009
        Fixed an infinite loop caused by having the quarantine folder within the folder you're scanning.
        Fixed a problem which could occur if scanning via the Contextual Menu or Services menu in 10.6.1
        Correctly clearing out the progress bar after a scan/update.
        Changed a default setting to help avoid false positives.

Version 2.0.2 - 13th September 2009
        Added a "Scan with ClamXav" item in the Services menu. You must log out and back in again to make this work.
        Finder contextual menu "Scan with ClamXav" now available for (10.6) Snow Leopard users. You must log out and back in again to make this work.
        Now preventing drag and drop if a scan/update is running.
        Added French localisation.
        Much better memory usage when scanning large folders.
        Ensuring the full summary appears at the end of a scan.
        Fixed a crash which could occur during startup.
        Fixed a crash which could occur during scans.
        Fixed a crash which could occur whilst saving preferences.

Version 2.0.1 - 29th August 2009
        Fixed a bug preventing the installation of the ClamAV engine
        No sparkle release this time around as the engine install logic is the only change

Version 2.0 public beta initial release - 28th August 2009


Homepage: http://www.clamxav.com/

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