Homepage Get Reset to services.freshy.com - Remove services.freshy.com Completely

I set Google as home page. But whenever I boot the computer "services.freshy.com" is appearing. If I open Yahoo, services.freshy.com is appearing with "Yahoo" How to remove services.freshy.com and set Google as home page? Can anybody help me? 

services.freshy.com is an unwanted browser hijacker that can penetrate into users’ systems sneakily and then manipulate web browsers on the background. If you are one of the sufferers of this browser invader, you will soon find that services.freshy.com is the triggers of various abnormalities appearing on your computer.