text: Yuyuri.com pop-ups are dangerous! – System Tips For Your Computer
  Yuyuri.com is a malicious website spreading a lot of dangerous or potentially unwanted applications. In order to implant all such sorts of malware the site presents a lot of misleading pop-up windows through your browser. For example, it may tell you about the need to update your Adobe Flash Player, or any other software whatsoever. In fact, there's absolutely no need for you to update or install anything new into your PC.
  The problem with yuyuri.com pop-ups may occur even in a brand new PC, which you have just purchased. Even if you use the latest Windows 8.1 version, such pop-ups may become inevitable provided that your system has been contaminated by adware. Most often the problem with such pop-ups and related adware happen with browsers like Internet Explorer, Google Chrome and Mozilla Firefox.
  Please find the example of yuyuri.com pop-up window as it appears in the PC infected by adware:
  You must not trust any misleading information provided through such yuyuri.com pop-up windows. By clicking on such pop-ups and installing what they "recommend" you may actually end up implanting a lot of unwanted and even dangerous applications into your computer.
  The majority of adware today is spread in the Internet through being bundled with all kinds of other free applications. Users need to be very careful when they install such free programs, making sure they don't allow all hidden extras to be implanted into their PCs by default. You need to select the option of the "Advanced" or "Custom" installation whenever you install any freeware into your PC. Doing so will help you to deselect all third-party applications from being installed into your system by default.
  To fix the problem of yuyuri.com pop-up windows in your browser we recommend you to scan your computer with a powerful antimalware tool called Plumbytes Anti-Malware. You will need to remove all the infections it finds (with its full registered version) and to reset your browser with its help. Please feel free to contact us at any time if you require any further assistance on our part.