If you are using a Macintosh computer running a OS X version 10.7 (Lion) or later you may easily remove all the adwares from you MAC computer using a free tool named AdwareMedic.
Just goto there above URL and download the program. Run the program (installing it by dragging to right side application icon), Here is a image for the help,
After that close this window and type AdwareMedic in spotlight and launch the application. Click on Agree button and accept there licence agreement. After that a small window will open. There click on “Scan for Adware” button.
Then the application will continue it’s search for adwares infected browser addons and system files. And show you the list of infected files:
Click on “Select All” button and then click on “Remove” Selected“. It will ask you for the mac password. Just enter your password. If required program will ask you to restart you MAC computer. Just click on yes and you are done.
Later you may reset your browser setting and homepage that was changed by the adwares.
If you have any further question, You may ask me at comment section below. And don’t forget to share your knowledge. Have a great day.