How to install Viber in Ubuntu 22.04.1 LTS properly
(updated 11.01.23)
1. Optional Download Viber or skip if you already have viber.AppImage
wget -P ~/Downloads https://download.cdn.viber.com/desktop/Linux/viber.AppImage
2. Extract from AppImage & move to /opt
chmod +x ~/Downloads/viber.AppImage
~/Downloads/viber.AppImage --appimage-extract
sudo mv ~/squashfs-root /opt/viber
3. Download working libs & replace broken ones in /opt/viber/lib
export libsfilename="libssl1.1_1.1.1f-1ubuntu2_amd64.deb"
wget -P ~/Downloads http://security.ubuntu.com/ubuntu/pool/main/o/openssl/$libsfilename
dpkg -x ~/Downloads/$libsfilename ~/Downloads/viberlibs/
sudo rm /opt/viber/lib/libssl.so.* /opt/viber/lib/libcrypto.so.*
sudo cp ~/Downloads/viberlibs/usr/lib/x86_64-linux-gnu/lib* /opt/viber/lib/
rm ~/Downloads/$libsfilename
4. Move launcher to application folder & edit viber.desktop (point to actual Viber executable)
sudo cp /opt/viber/viber.desktop /usr/share/applications
sudo sed -i "s/Exec=.*/Exec=\/opt\/viber\/Viber/" /usr/share/applications/viber.desktop
sudo sed -i "s/Icon.*/Icon=\/opt\/viber\/viber\.png/" /usr/share/applications/viber.desktop
Profit! Open your launcher and there should be working Viber (if not logout & login)