They can seize their CEO's jet while fueling in, say, France, or a GS building in China or whatever. Their life will be miserable, they'd have to navigate hundreds of jurisdictions and they are "bounty hunter" types that take these cases after judgments.

But fraud is fraud, Malaysia can sue them in good, old, USA. Who thinks that GS, the paragon of integrity, behaved correctly, raise their hands. Right, zero hands.

Take it up at a political level I expect

Putin and China has shown that they don't mind getting their hands dirty in foreign countries. Not see why any government could not hire some private operators if they are pissed enough to deliver the to Kuala Lumpur