What are suspicious notifications in Android?

Question

Android

Comes regularly, every few days. You can not swipe, only clear the browser data. I did not install the left applications, in general, almost pure stock android 4.2.2.

Answer 1

Hold your finger on it, a button will appear - about the program. Click and there you can find out from which application it comes.

Answer 2

Easier to remove!
And so the devil knows what is written there) Some kind of advertising in Chinese)

Answer 3

If my memory serves me, this is some kind of MTK crap.