“omg! fbusername what are you doing in this video” , “HEY fbusername you look so stupid in this vid” a new facebook spam spreading viral across facebook. The sentence used usually tempt the user to view the video and simply do the Ctrl + V and enter to see whats in that video. Simple delete the link if its posted in your wall by one of your facebook friend.
Step 1: Delete the post in your wall.
Step 2: You may restrict other people posting on your wall by disabling “Account -> Privacy Settings -> Customize Settings -> Things others share -> Friends can post on my Wall ( Enable / Disable )“.
Preventing other users posting on your facebook wall gives you more security overall. Happy Facebooking.