Ethically, IMHO, if you owe monies to third parties for undisputed work done, you should pay that. But as said in another response, hire a (not-too-fancy) lawy

Ethically, IMHO, if you owe monies to third parties for undisputed work done, you should pay that. But as said in another response, hire a (not-too-fancy) lawyer or a company liqudator to constrain how messy this may get.