Всё об Ubuntu -

gksu synaptic
Select “Settings” and then select “Repositories”, and then click
the “Other Software” Tab, and click ‘Add’ and copy and paste this repository:

deb http://download.bitdefender.com/repos/deb/ bitdefender non-free

Click on ‘Close’ and press ‘Reload’ when prompted. Ignore the ‘No repository key’ error (if displayed). To add the repository key open a Terminal (Applications -> Accessories -> Terminal) and copy+paste the following lines::

wget http://download.bitdefender.com/repos/deb/bd.key.asc
sudo apt-key add bd.key.asc

Now update the sources list:

sudo apt-get update

To install the graphical interface and command line program copy+paste the following line:

sudo apt-get install bitdefender-scanner-gui