Read the original article: Simple Powershell Ransomware Creating a 7Z Archive of your Files, (Thu, Apr 8th)
If some ransomware families are based on PE files with complex features, it's easy to write quick-and-dirty ransomware in other languages like Powershell. I found this sample while hunting. I'm pretty confident that this script is a proof-of-concept or still under development because it does not contain all the required components and includes some debugging information.
Read the original article: Simple Powershell Ransomware Creating a 7Z Archive of your Files, (Thu, Apr 8th)