The philosophical shift happened when malware authors realized that simply locking the screen offered no return on investment. If the victim couldn't use the computer, they might simply wipe the hard drive and reinstall Windows.
It often attempts to disable critical Windows recovery features, such as: winlocker builder 06 upd
Unlike sophisticated modern ransomware (which encrypts your files using complex algorithms), most Winlockers created with version 0.6 are "scareware." They typically demand a password to unlock the screen, often accompanied by a message claiming the user has violated a law or simply a taunt from the creator. winlocker builder 06 upd
Options to change the background image or color of the lock screen. winlocker builder 06 upd