rensenware

A novelty ransomware created by Kangjun Heo which forces victims to achieve a score of 200 million points in Touhou Undefined Fantastic Object on Lunatic difficulty to decrypt their files. The virus is infamous for its main window featuring Murasa Minamitsu.

Heo himself accidentally infected his own computer with the virus and was unable to reach the required score, forcing to create a neutralization tool which he later released on GitHub along with an apology.