PowerOffHijack Trojan Tricks Android Users Phone Is Off, Continues To Spy
The security researches at AVG have found an Android trojan that tricks the user into thinking they have shut down their phone. Once the fake shutdown animation has played the screen goes black yet keeps the phone on. This trojan was found in China on third party app stores and affects Android versions 5.0 and below.
This does not appear to be affecting the Google Play Store. This does illustrate the danger of using third party apps and third party app stores.