Refer: https://appuals.com/install-virtualbox-ubuntu-16-04/
Get Latest Version of VirtualBox
Refer: https://www.virtualbox.org/wiki/Linux_Downloads
sudo apt-get install libqt5x11extras5 libsdl1.2debian libsdl-ttf2.0-0
sudo dpkg -i virtualbox-5.2_5.2.2-119230~Ubuntu~xenial_amd64.deb
sudo apt-get install -f