Hi There

How can i get rid of “Powered by DNS Unlocker” adware?
I could not find any working soloution on google and other forums

May someone show me a way…

What is DNS Unlocker adware? Look at these link:
http://malwaretips.com/blogs/ads-by-dns-unlocker-removal/
http://howtoremove.guide/dns-unlocker-removal-chrome/

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253.0