how to remove an ads script from WordPress [on hold]

Hello Smarts I have a website yesterday when i visited my website i saw an ads script that was inserted to my wordpress i viewed Website Source in Browser via Ctr+U i saw


i wanted to remove but coudnt find via functions.php or footer and Header in wordpress .

i also searched for the pharse via Phpmyadmin and there i also coudnt find it Please help me how to remove these pop up ads thanks you can check my website

give me any suggestion how to remove these unwanted codes thanks

Source: stackoverflow-javascript