Have your web browser been changed to use the websearch.wonderfulsearches.info web site for searches?
No problem, you can use FreeFixer to remove websearch.wonderfulsearches.info. Just select the wonderfulsearches.info items, as shown below:
Here’s a video which shows FreeFixer in action removing websearch.wonderfulsearches.info:
How did you get WondefulSearches on your machine?