I suspect you can submit a claim because the claim form accepts both foreign address and USA addresses. The screenshot below is part of the online claim form.
https://cryptsysettlement.worldsecuresystems.com/submit-a-claim
The quote below is from the claim site, and it says nothing about excluding foreign claimants.
http://cryptsyreceivership.com/
You can find more information here, including the receiver's contact details. Ask the receiver if you can make a claim, or make one anyway. The worst he can do is reject you.
https://cryptsysettlement.worldsecuresystems.com/
The thread linked below is better than this one for finding the latest information.
https://bitcointalksearch.org/topic/cryptsy-stopping-withdraw-locking-accounts-without-notifying-users-class-action-1173703
Thanks for all the info HI-TEC99, much appreciated!