If you know the proper name, or parts of it, of what you are looking for and how to spell them exactly, Find Any File.app (FAF) should be able to find it for you and you can download it from here: Thomas Tempelmann - Find Any File
I don't know what playsearchnow is or what that does but if it's malware, then you may just need another Application:
MALWAREBYTES FOR MAC https://www.malwarebytes.com/mac/
Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.