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Make sure that default password to pi account (raspberry) is changed on your Astroberry! Raspberry Pi trojan is going wild these days!
If you connect your system to the Internet exposing SSH service on default port 22, change your default pi password as soon as possible.
You can do it by running:

sudo passwd pi

Changing default password for astroberry user is also recommended.

You can tell if your system has been compromised by running:

cat /etc/hosts

If you see entries bins.deutschland-zahlung.eu as in the image below, your system is infected!