AdwCleaner usually will remove third party software of this nature.
An image like the one below will open, click on Scan.
Once the search is complete a list of the pending items will be displayed. If you see any which you do not want removed, remove the check mark next to it.
Click on Clean to remove the selected items.
You will receive a message telling you that all programs will be close so that the infections can be removed. Click on Ok.
When cleaning process is complete a log of what was removed will be presented. Please copy and the paste this log in your next post.