Well you have thumbs down button in youtube and you would certainly want something like that on facebook to show your displeasure for some status,video or photo.The bad news is that facebook is not providing this feature to you instead a new facebook dislike button scam is the latest to hit the facebook.
You will might see a status update from one of your friends likeFacebook now has a dislike button! Click ‘Enable Dislike Button’ to turn on the new feature! .See the picture below
Like this post so that you can make your friends aware about this scam and protect them from getting hacked.