Discover More Apps

While looking through the folders on my divice using astro file manager i came a strange blue file called Discover More Apps next to the folder it has what looks like a small grey birthday present as i clicked on it, it took me to a kind of un-official playstore i backed out straight away and tried deleting it got the small notification to say it had been deleted but never removed it, the folder seem to follow you into every folder you visit i tried running avg but picked up no threats would just like to remove it as im guessing i have picked it up downloading something i tried unistalling everything i have recently download but this made no difference

My device is a Galaxy S3 GTI9300
Rooted
Running CM11 4.4.4 Snapshot M9

Any help would be great
Thanks in advance ***** just want to say the folders is titled Discover New Apps NOT Discover more apps*******