As it always happens when a significant world event occurs, scammers are quick at taking advantage, and the recent aviation disaster involving the shooting of the MH17 Malaysian airliner is nothing but a means to make more money for the crooks.Almost 300 people died in the tragedy, but cybercriminals prey on the fact that regular users want to be exposed to gruesome video, and started to circulate on Facebook a fake message that promises footage of the missile bringing down the aircraft.The st…