Internet Speed Booster allows you to change certain Windows Registry settings that affect Internet connection speed.

This software is loaded with spyware, tracking cookies an adware.
even through the installation process it attempts to connect to the internet; deep registry changes are made without your knowledge or approval, malware is also detected, for removal of all the registry keys you need to reboot.
The actual software that is supposed to speed up your connection is just making it slower with all these spyware trying to report to the internet.
Fancy space gui suitable for a game not a serious utility.
If you want to be spied on, mess up your registry and slow down your connection even more, go ahead and install it.