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Norton Definitions for Windows XP/Vista/7/8/8.1/10

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.

Choosing the right definition set
To choose the correct definition set, you need to know the product name and version, and whether the operating system is a 32-bit or 64-bit version.
How to find out if you are running a 32-bit or 64-bit version of Windows
How to find the name and version of your Norton product

32-bit Platforms

The following definition sets are suitable for 32-bit operating systems only.
File Name Creation Date Release Date File Size MD5 | all
20180218-001-core3sdsv5i32.exe | FTP 02/18/2018 02/18/2018 55.94 MB 73FD518ACB4E57F8324C7FA94F69AD84

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.7 to 22.8)
  • Norton Security with Backup (version 22.7 to 22.8)
  • Norton AntiVirus / Norton Internet Security (version 22.7 to 22.8)
  • Norton 360 (version 22.7 to 22.8)
File Name Creation Date Release Date File Size MD5 | all
20180214-001-core31sdsv5i32.exe | FTP 02/14/2018 02/14/2018 56.38 MB 315605BD78D054A94478A1390631A761

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection Cloud (version 22.10)
  • Symantec Endpoint Protection 14.0 RU1 (Low-Bandwidth clients only)
File Name Creation Date Release Date File Size MD5 | all
20180218-001-core3sdsg2v5i32.exe | FTP 02/18/2018 02/18/2018 55.94 MB 65E727B66D9B75C89CBED8046909025F

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.9, 22.10 and later)
  • Norton Security with Backup (version 22.9, 22.10 and later)
  • Norton AntiVirus / Norton Internet Security (version 22.9, 22.10 and later)
  • Norton 360 (version 22.9, 22.10 and later)
File Name Creation Date Release Date File Size MD5 | all
20180218-001-v5i32.exe | FTP 02/18/2018 02/18/2018 161.98 MB 0BF720A1C374DDA8F543220BD1260E46

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012, up to version 22.6.x.x)
  • Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012
  • Norton 360 (later than 6.0, up to version 22.6.x.x)
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0
  • Norton Security (up to version 22.6.x.x)
  • Norton Security with Backup (up to version 22.6.x.x)
  • Symantec Endpoint Protection 12.1
  • Symantec Endpoint Protection 12.1.2 and later
  • Symantec Protection Engine 7.x for Windows
  • Symantec Mail Security for Domino v 7.x
  • Symantec Mail Security for Microsoft Exchange (32-bit)
  • Symantec Scan Engine 5.x for Windows
  • Symantec AntiVirus for Caching/Messaging/NAS for Windows

64-bit Platforms

The following definition sets are suitable for 64-bit operating systems only.
File Name Creation Date Release Date File Size MD5 | all
20180218-001-core3sdsv5i64.exe | FTP 02/18/2018 02/18/2018 55.97 MB F3D7B05CADE2BA74AB94F3E1CF1E05F4

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.7 to 22.8)
  • Norton Security with Backup (version 22.7 to 22.8)
  • Norton AntiVirus / Norton Internet Security (version 22.7 to 22.8)
  • Norton 360 (version 22.7 to 22.8)
File Name Creation Date Release Date File Size MD5 | all
20180214-001-core31sdsv5n64.exe | FTP 02/14/2018 02/14/2018 57.63 MB C264BAC2D9D8298144B163E18A7F0EAC

Supports the following versions of Symantec antivirus software:

  • Symantec Endpoint Protection Cloud (version 22.10)
  • Symantec Endpoint Protection 14.0 RU1 (Low-Bandwidth clients only)
File Name Creation Date Release Date File Size MD5 | all
20180218-001-core3sdsg2v5i64.exe | FTP 02/18/2018 02/18/2018 57.18 MB 1CAF798F89164DD1428318FAE96CFAF1

Supports the following versions of Symantec antivirus software:

  • Norton Security (version 22.9, 22.10 and later)
  • Norton Security with Backup (version 22.9, 22.10 and later)
  • Norton AntiVirus / Norton Internet Security (version 22.9, 22.10 and later)
  • Norton 360 (version 22.9, 22.10 and later)
File Name Creation Date Release Date File Size MD5 | all
20180218-001-v5i64.exe | FTP 02/18/2018 02/18/2018 163.47 MB B134D090F9ABCBDF13CA1BE77B20F7B4

Supports the following versions of Symantec antivirus software:

  • Norton AntiVirus / Norton Internet Security (later than 2012, up to version 22.6.x.x) for 64-bit OS only
  • Norton AntiVirus / Norton Internet Security 2008/2009/2010/2011/2012 for 64-bit OS only
  • Norton 360 (later than 6.0, up to version 22.6.x.x) for 64-bit OS only
  • Norton 360 version 2.0/3.0/4.0/5.0/6.0 for 64-bit OS only
  • Norton Security (up to version 22.6.x.x)
  • Norton Security with Backup (up to version 22.6.x.x)
  • Symantec Endpoint Protection 12.1 for 64-bit OS only
  • Symantec Endpoint Protection 12.1.2 and later for 64-bit OS only
  • Symantec Protection Engine 7.x for Windows (64-bit)
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