iBooster (was Care Master and MacCare before that) is an all-in-one app for you , It will improve your Mac’s performance by cleaning junk files and managing the apps you installed.
System Cleanup: Scans your system for the 8 different types of junk.
Duplicates: Find identical files quickly and accurately. Smart algorithm is used to help users select unneeded duplicate files and remove them, meanwhile will making sure that at least one instance of each file will be kept safe.
Uninstaller: Reclaim more disk space by using our Uninstaller to seek out and remove application related files instead of simply dragging an application to the Trash (.app files must be removed manually)
Privacy: Clean temporary files of web page to protect personal privacy frequently. It can also free valuable disk space to speed up your browser.
Photo Sweeper: Finding and grouping similars, providing different comparison methods.
Large and Old: Find all those huge files you’d completely forgotten about and remove the ones you no longer need.
Startup: Manage your startup items to optimize the OS X boot speed.
As if using the same icon wasn't going to lead back to another scam marketing attempt from the same person: https://www.macupdate.com/app/mac/50282/caremymac
Don't support this behavior, stay away from this app and developer.
I find it interesting that on going to the developers website, this product is not listed, all the other products are fee based, and that I could not find the country of the developers location anywhere on the websites. Not accusing, but just saying.