This scam is obviously becoming more and more popular after the bonus was paid as in the last few weeks it's been mentioned in the flightdeck at least a couple of times...
As SOPS says if it sounds too good to be true then it probably is.
AvroRider, I must admit I never really had pilots as been careful type of investors, isn't the saying: "if you need some financial advise, ask a pilot and whatever he tells you, do the opposite"? ;-)