Try to download Malwarebytes and run from here https://community.mcafee.com/docs/DOC-2168 You may have to try this in safe mode with networking.Restart your computer then when it starts up tap f8 until you see black screen.Let the computer run until it stops.You will have an option to arrow down to safe mode with networking.Select this and enter.Then try to download malwarebytes.If this does not work you can try to open up internet explorer.Undertools select internet options,then connections,then LAN settings and uncheck everything.This may only work as temp fix.So Run full scan then I would with malwarebytes and delete.
I would also then open a post in 1 of the forums mentioned in the above article- such as bleeping computer.
Moved to Security Awareness - Home User Assistance.
I've seen this one on other forums, so I know it can be fixed.
First : do you only get this in one search engine, or does it happen in others too? Which one do you usually use?
Second : do you get this only in one browser? Try searching from other browsers and tell me if the redirect still happens.
If the answer to the above questions are a) Yes and b) No then you need to reset your router.
As a first step, also clear your browser cache and delete all cookies. Run a cleanup program to delete all temp files.