Before restarting chrome, make sure your use Chrome cleanup tool and completely remove Chrome manually. Both in Win Key + R -> %appdata% and remove any Chrome data you find. Afterward, go to registries, HKey -> Software -> Chrome and remove all o

How to remove SEARCH POWERED BY YAHOO! manually: STEP 1: Check all shortcuts of your browsers on your desktop, taskbar and in the Start menu. Right click on your shortcut and change it's properties.

It can scan and delete browser hijackers such as Yahoo Search virus, malicious software, PUPs and adware in Google Chrome, FF, Internet Explorer and MS Edge web browsers and thereby revert back their default settings (home page, newtab and default search