Brazilian developer Lenon Leite has released proof-of-concept code for a ransomware family coded in PHP that will allow an attacker to encrypt the contents of web servers. The Heimdall ransomware is self-contained in one 482-line PHP file, which produces the GUI below. The encryption process can take between seconds and minutes, depending on the amount of files found on the server. Leite is not the first developer that creates “educational”” ransomware
Source: security