When Safari, Chrome & Firefox randomly show a pop-up ads from Porn Scrubber. Your system is infected by a Potentially Unwanted Program or Adware.
Porn Scrubber virus is a browser hijacker that affects Your system. It can take over your browser and force you to use Porn Scrubber as your main search engine and home page. If you have noticed this website set as your homepage, you should immediately remove it and choose a genuine search provider. Porn Scrubber virus was designed to advertise sponsored websites and it has nothing to do to with providing reliable search results.
Adware Removal Pro is a powerful tool which is designed to remove adware and browser hijackers.