A recent report from Google states that the possibility of getting infected with Android ransomware is close to zero.
Even though some ransomware software may demand the paying of a ransom with a digital currency, such as Bitcoin, according to data from Google researchers, the odds of getting struck by lightning twice in your lifetime is higher than getting a ransomware Android app.
Full article: https://coinidol.com/google-about-andro ... ware-apps/