MX17 - Viber on Debian Stretch - No internet connection - viber.deb no debian binary - FIX
These are the most common errors when people try to install Viber on Debian and this video shows an easy step by step guide how to install Viber and it works nice.
Don't forget after the install to remove or better un-click the repro in Synaptics repositories.
add repro:
http://ftp.us.debian.org/debian/
jessie
non-free contrib main
use synaptics to install: libssl1.0.0
and run: sudo dpkg -i viber.deb