Malware
PyLocky
aka Locky Locker
PyLocky is a ransomware that tries to pass off as Locky in its ransom note.
PyLocky, also known as Locky Locker, is a Windows malware family.
Background
PyLocky is a ransomware whose ransom note attempts to impersonate Locky. It is written in Python and bundled using PyInstaller.
Source: Malpedia (Fraunhofer FKIE).