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AntiVirus for Macintosh

As new threats emerge, Symantec immediately builds new protection updates and makes them available for download on a subscription basis. If your subscription has expired, click here.

Attention: Virus definitions for Norton AntiVirus for Macintosh versions 7-8 will no longer be updated after August 1, 2008. To continue receiving updated virus definitions, please upgrade to a newer version of Norton AntiVirus for Macintosh.

The virus definitions installer you should download depends on the type of processor your Mac has (PowerPC or Intel), the Mac OS version, and the version of Norton AntiVirus for Macintosh or Symantec AntiVirus for Macintosh you are running.
File Name Creation Date Release Date File Size MD5 | all
NavM_Intel_Installer_20130524_US.zip | FTP 05/24/2013 05/24/2013 441.14 MB 0331F4EE400D1D590DAB29281E10BA15

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection for Macintosh on Mac OS X (Intel processor)
  • Norton AntiVirus for Macintosh 11.x on Mac OS X (Intel processor)
  • Symantec AntiVirus for Macintosh 10.2 on Mac OS X (Intel processor)
File Name Creation Date Release Date File Size MD5 | all
NavM9_Installer_20130524_US.zip | FTP 05/24/2013 05/24/2013 441.35 MB C0BA42F977D19F453F0013D110D0027A

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection for Macintosh on Mac OS X (PowerPC processor)
  • Norton AntiVirus for Macintosh 11.x on Mac OS X (PowerPC processor)
  • Norton AntiVirus for Macintosh 10.x on Mac OS X (PowerPC or Intel Processor)
  • Symantec AntiVirus for Macintosh 10.2 on Mac OS X (PowerPC processor)
  • Symantec AntiVirus for Macintosh 10.1 on Mac OS X (PowerPC or Intel Processor)
  • Symantec AntiVirus for Macintosh 10.0 on Mac OS X (PowerPC or Intel Processor)

The attached installer will automatically update Norton AntiVirus for Mac virus definitions and engine files to detect and repair the most recently discovered Macintosh and PC viruses. Once downloaded and expanded on your hard drive, simply double-click on the Installer and the appropriate files will be installed on your computer.

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