Files with CCCRRRPPP file extension can be found as encrypted files affected by some of the later variants of Unlock92 ransomware.
CCCRRRPPP file extension - Unlock92 ransomware affected data
What is CCCRRRPPP file? How to open CCCRRRPPP files?
File type specification:
The CCCRRRPPP file extension seems to be related to a new version ransomware labeled as Unlock92 that is distributed via e-mails, encrypts users files and them demands ransom in bitcoins / cash for their recovery.
Luckily, it was probably done by amateur and thus decrypt exists.