- 1. Download ESET USSD Control from Google Play and install on your Android phone.
- 2 Use your Android phone to visit our test page: http://eset.com/tools/ussdtest (note that this only contains a checker and will not make changes to your phone).
- 3. When prompted to complete the action, select “Use by default for this action” and select ESET USSD Control.
If you use an Android phone you may have heard of something called the USSD vulnerability. This allows a nasty piece of malicious software to reset your Android to its factory default settings and permanently delete your data. We will describe the USSD problem in more detail in a moment but first we want to let you know that, because this is a particularly unpleasant case of malware destroying information, ESET has provided a free app available from Google Play to protect your Android phone from this type of attack. The app is called ESET USSD Control. According to Tibor Novosad, Head of Mobile Applications Section at ESET: “ESET USSD Control is an application that allows the user to check potentially malicious phone numbers (USSD codes) before they are dialed (executed) by the default phone dialer. ESET USSD Control will block malicious websites [that abuse USSD codes] as well. Checking for malicious codes before they are executed, ESET USSD Control makes sure all data on an Android phone stays safe.” How does ESET USSD Control work? In order to protect your Android smartphone from USSD attacks, you have to make sure that ESET USSD Control is set as the default dialer. Here’s how: