Are you facing the multitude of wvw.workbooksoccasion.com pop-ups in your screen right now? If this is what happens with your system then your entire workstation has become infected with adware or some other PUP (potentially unwanted program). This isn’t a virus in the full meaning of this word, but this isn’t a good application either. It displays the wide range of annoying advertisement banners and intrusive pop-ups each time you go online.