How To Install And Use Avast Antivirus In Linux Mint / Ubuntu

Here’s how to install and use Avast Antivirus In Linux Mint / Ubuntu:

1. Go to and click ‘avast! Linux Edition (DEB package)’ to download and save the *.deb file.

Avast Linux Home Edition - Download Page

2. Now, go to and fill the registration form to get a free license key.

Avast Linux Home Edition - Free license key registration

Avast Linux Home Edition - Free license registration
Click on ‘Register free license’ when done. You’ll get a confirmation that your free license key would be e-mailed to you. Note that if you have a previous Windows Avast Free license key, you can use it in Linux Free Edition too. Also, note that you will have to renew the free license after every 12 months (for free).

Avast Linux Home Edition - Free license registration

3. After you receive the free license key from Avast, open the terminal and change the directory to where you saved the downloaded *.deb file. Now, issue the following command at the terminal –

sudo dpkg -i avast4workstation_1.3.0-2_i386.deb

Avast Linux Home Edition - Installation in Linux Mint / Ubuntu

4. After the installation is complete, click on ‘Menu>Accessories>avast! Antivirus’ to start the program.

Starting Avast Linux Home Edition in Linux Mint / Ubuntu

5. Now enter the free license key that you got from Avast and click ‘OK’ when done.

Avast Linux Home Edition - Entering the license key in Linux Mint / Ubuntu

6. Click on ‘Update database’ to update the antivirus definitions.

Avast Linux Home Edition - updating antivirus definitions

Avast Linux Home Edition - updaing antivirus definitions

[Note that, we have interrupted the antivirus definitions update for sake of saving time since ours is a test machine. Practically, you should wait for the antivirus definition update to complete.]

7. Now, select the directory that you want to scan and click ‘Start scan’.

Avast Linux Home Edition - running scan in Linux Mint / Ubuntu

Avast Linux Home Edition - running scan in Linux Mint / Ubuntu

8. After the scanning is complete, you’ll see the scan results as follows –

Avast Linux Home Edition - showing scan results in Linux Mint / Ubuntu

Thus, you can enhance your system’s security by installing and using Avast Antivirus in Linux Mint / Ubuntu.


  1. Eds says:

    If your getting: “An error occured in avast! engine: Invalid argument” after updating, try this in terminal:

    sudo sysctl -w kernel.shmmax=128000000

  2. Eds says:

    As of now.. maybe before… I had no trouble by double clicking the .deb file from Avast. Self/auto install.. Linux needs more of this.

  3. OldGrampa says:

    Tx for the info.

    Anyone figured out how to put a right-click context menu item,
    to scan a folder with Avast?