Unfriended

The name of this movie is Unfriended released in 2015-04-17 and it's main theme is While video chatting one night, six high school friends receive a Skype message from a classmate who killed herself exactly one year ago. At first they think it's a prank, but when the girl starts revealing the friends' darkest secrets, they realize they are dealing with something out of this world, something that wants them dead..