Earlier, a figure of a billion or even more devices that are potentially exposed. But now it turns out that the default functionality of the application verifier, which works on all gadgets with Android 4.2 and above can be a great shield for malicious applications on a user's device. This is enough, because the user to become a victim, you need to install the application on the smartphone. In this case, the smartphone and the system will track and alert if you want to commit this dangerous action, installing an infected app. So first of all simply remove the head. Think about whether you understand the implications and whether or not you want the app that causes issues in the system. After all, explicitly prohibit the installation you can't, but at least I will.
When you first started talking about QuadRooter, many were horrified. It turned out that a huge number of processors Qualcomm devices are at risk. This is a serious security breach, however, the problem actually turned out to be somewhat exaggerated. Built-in Android mechanisms to protect users from Google successfully detects dangerous apps that fall under the phenomenon QuadRooter.