A potentially unwanted program (PUP) installs a fake Evernote that bypasses the security measures available in Chrome web browser, and starts spewing ads at the user.The name of the extension, Evernote Web, as well as its ID, is identical with that of the real component. Moreover, it directs the user to the legitimate entry in the Chrome Web Store when clicking on the Visit website button. All these elements make Google Chrome believe that the real extension is installed.Security…