What does this Icon Stands for?

[Joe2221]

Anyone knows this Icon?
Its the First From right. I know signal messenger, Screenshot and... Never saw this before.
Phone is a galaxy s4 mini running kitkat 4.4 Stock
My gf send me a Screenshot and asked me. Shes in holiday.
Sie allready cleared the notification shade. But we wann know
I know notification, but From wich app? I installed all apps on her Phone by my self, Tried out all of these, but no notification like this.
Screenshot:
https://picload.org/view/ddlgoprr/tmp_22632-screenshot_2018-01-0.png.html

 

[hallux]

Welcome.

News? Those are all notifications, not system icons so you should see a corresponding entry in the notification shade.