Adguard is the best way to get rid of annoying ads, online tracking and to protect your computer from malware.
While you are thinking to pay in dollars or euro you can choose to pay in Russian Rubles and once the amount gets converted by Paypal you can save up to 80% thanks to the conversion rate.
Lifetime license for 1 pc + 1 mobile €49.95/$59.95/£36.19 , the same license type cost in Rubles 699 RUB (€10.8630/$11.8063/£7.8784)
Lifetime license for 9 pc + 9 mobile €314.55/$404.55/£227.87 and again in Russian Rubles 5391 RUB (€83.7804/$91.0557/£60.7615)
Get it here