Yes it is and if you are lucky that is all it is doing. Cracked versions of software often come with all sorts of "suprises"
Your "cousin" didn't do you any favors by giving it to you. You need to uninstall it,run a clean-up program like CCleaner and reboot. I also suggest doing a thorough Virus and Malware scan.
Then either purchase or install the trial of WindowBlinds. LINK
[Edit] Not the first time I've been beaten at posting by Hankers,and I'm sure it's not the last.