How can I remove pop up ads or a redirect virus in Safari?
So, I've tried following instructions on almost every post I could find to remove adware in Safari. I have had no luck. I keep being redirected to ads that won't close unless I quit Safari. I have no extensions in Safari. I have not been able to find any of the files that are mentioned to be removed manually. I ran Malwarebytes and it did not find anything. I am currently running Avast, but have found no viruses. What can I do?
MacBook Pro, OS X El Capitan (10.11.1)