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avast! free antivirus for Mac offers three shields and on-demand scanning. Our Web Shield and Mail Shield combine to check the vast majority of incoming data from the Internet, while File Shield scans all programs stored and executed from your hard drive. Everything is packed in a brand new GUI and is now available as a public beta.


  • On-screen alerts
  • On-demand scanning
  • Web Shield, Mail Shield, File Shield
  • Automatic virus definition updates
Please note that avast! will not run properly if you have other antivirus software installed.

What's New

Version 9.0:
  • New (and much nicer) main UI.
  • Added command "Scan with Avast!" into Finder's context menu
  • Preferences has moved from System Preferences into the main application (menu Avast > Preferences)
  • No user registration required.
  • Complete support for 64bits. (In version 8.0 the antivirus engine was still running as 32bit for historical reasons.)
  • Many structural changes and fixes more...


  • OS X 10.6.8 or later

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Current Version (9.x)


Downloads 44,337
Version Downloads 8,984
Type Utilities / Virus
License Free
Date 02 Jul 2014
Platform Intel 64 / OS X
Price Free
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