Download Latest Virus Definition Databases For All Antivirus Software

An update function is included in most antivirus and security programs in order to keep the program up to date with the latest threats. You may keep the auto-update feature for the security software enabled or disable it and manually install definition updates.

It is particularly useful when a direct Internet connection is not available. Our article will provide links to download the latest definitions for each type of antivirus software. Should we have missed anything, please let us know in the comments section below.

Avast Antivirus Definition Updates

Avast Antivirus definitions Keep your Avast database updated. Updates are available after every 2 weeks. It can be updated automatically from the Internet if your system has Internet access.

Virus definitions for Avast Antivirus keep your Avast database up to date. An update is available every two weeks. If your computer has Internet access, it can be updated automatically from the Internet.

Download the latest Avast Antivirus Definitions

AVG Antivirus Definition Updates

AVG 2018 is one of the best suites available for security. The free version is also effective. You may download its latest definitions from the following link:

Download AVG Antivirus Definitions

Avira Antivirus Definition Updates

Avira basically updates all its necessary updates automatically. To install Avira updates, the user does not have to download the files and then install them.

But sometimes when the Internet connection isn’t available for auto updating, users need a virus definition file.

Download Avira Virus Definitions

Norton Antivirus Definition Updates

For the latest and updated version of your licensed Norton product, you must install the Virus Definition Updates.

Download Norton Antivirus Definition Update

Kaspersky Virus Definition

Kaspersky is one of the largest growing cyber security companies in the world. Kaspersky provides protection that is efficient, effective and usable. I have not been able to find Kaspersky databases download link directly but got it from download.com. You may use this link to download the latest Kaspersky update database.

Download Kaspersky Virus Definitions

Or you can follow this article to ensure you can manually update Kaspersky DB.

Comodo Virus Definition

Comodo is providing a facility for those users who want to replace their database with the new one so that no virus is present in the new database.

Download the Comodo Database for v5.8 from here

Download the Comodo Database for v5.5 and older from here

So download the virus definition for your antivirus and keep your tool database updated for better and more advanced performance and powerful security of your system.

Microsoft Security Essentials latest definitions

If you are using MSE on your system, you may download its latest updates db from the Microsoft site:

Download MSE Virus Definition Updates (32-bit)

Download MSE Virus Definition Updates (64-bit)

If we have missed any definitions or updates, please let us know in the comments below and we’ll try to find and add the database download links as soon as possible.