Being a complex application, BitDefender Antivirus for Mac cannot be removed in the normal way, by dragging the application icon from the Applications folder to the Trash.
To remove BitDefender Antivirus for Mac, you need the bitdefender.dmg installation file (either the original or a new one).
Locate the bitdefender.dmg file and double-click it. The following window will appear.
Click BitDefenderUninstaller.pkg. The installer will help you run the uninstall script of BitDefender Antivirus for Mac.
Run uninstall Script
Click Install to run the uninstall script.
Step 4: Finish