Files with conflicker extension can be found as files encrypted and affected by a ransomware labeled as Conflicker.
CONFICKER file extension - Conficker ransomware affected file
What is conficker file? How to open conficker files?
File type specification:
File extension conficker seems to be also used by Conficker ransomware that encrypts users files and demands bitcoins as ransom. The ransom note left in the affected folder is named decrypt.txt.