Maybe we can scour this story for some insights and steps we can take in recovering something from Hashfast.

Seems that DZ-Coop has a coordinator that is suing them for losses and failure to refund.

Worth reading, plus the links to the BTCT forums

www.coindesk.com/court-grants-order-freeze-hashfasts-bitcoin-wallets/

https://bitcointalk.org/index.php?topic=552830.0

https://bitcointalk.org/index.php?topic=274055.480