So, I never installed this app, it just appeared at some point on my phone. I didn't do anything at first, thought it was something related to android because it has an android icon.
The problem is that sometimes, when I would of opened Chrome, it would of opened with a site already on it (something with some kind of clickbait game) and a ww_easteur001 notification. Sometimes that notification just popped up without anything happening "apparently". I unistalled it a while ago, thought that it was gone, after a few weeks it appeared again. Uninstalled it again, appeared again, etc.
Today I looked closely and I saw that it had access to my Phone (calls and numbers), Messages and Storage, and I found out that at some point a message was sent to a number not in my contact list that seemed like pure gibberish. (My luck that I don't have credit atm, so the message didn't go through). I obviously suspected that app.
So... Need help. I'm not entirely sure what I should do (I know I should of done something the first time when I saw it, but I was dumb), I'm not sure what it does exactly, but definitely not something good. I cannot find anything online about it / similar experiences...
Now, worst case scenario I can just reset the phone and/or buy a new one, since this one is trash anyway, but I'm still confused about what's all this about, and I may or may not be a little bit scared to what it has done this whole time.
EDIT:
Model number: Xylo P
Android version: 7.0
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as last character in the SMS often indicates base64 encoding. The decoded string is�M4yo2s51blzvrbsmco5gqp
. – cweiske Oct 02 '20 at 06:56