I had this done for my wifes Mint laptop.
It is the MX/Antix ad block tool. It creates a new host file for your browser to block ads. I did not write the file. i was told xhost + is not the best way to implement, but it worked for me.
Download the Deb file below:
advert-block-antix_0.2.13+patch1_gm10_all.deb (14,7 KB)
…And install it.
In the terminal type:
Follow the on screen instructions.