Music player scan shows Phenix in system as malware, seller says it's part of Android

I sent them a message asking about it and the replied

Dear Buyer. please don't worry, phenix belongs to the architecture of Android system, it can protect the MP3 software will not be attacked by foreign unknown applications, so phenix is safe, please rest assured to use, any questions please contact me again!

It was in the cooee folder. It is a music player on amazon and it pops up as Sky Devices Elite B5 though on amazon it is listed as Xbendon mp3 player