BitDefender Virus Definitions

BitDefender Virus Definitions

April 5, 2024

BitDefender Virus Definitions: Latest virus signatures updates for BitDefender

This download contains the latest virus definitions for Bitdefender 2015 antivirus products. You can use it to keep your Bitdefender antivirus up to date even if the computer on which it is currently installed doesn’t have an Internet connection.

Please be aware that the virus definitions file, titled weekly.exe will only update Bitdefender 2013’s virus signature database. To perform program updates you must use the Update feature via a working Internet connection.


- Select the file you have to download based on the type of your OS – there are separate versions for 32 and 64-bit operating systems
- Open the file using double-click to launch the setup wizard
- Go through the wizard steps to complete the installation
- Once the updates are installed you can close the wizard by clicking on Finish

Download Details

  • License:
    Data Only
  • Platform:
  • Publisher:
  • File size:
    307.00 Mb
  • Updated:
    Apr 10, 2024
  • User Rating:
    4.5 / 5 (6 votes)
  • Editors' Review:
    Not yet reviewed
  • Downloads:
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