The link provides with a perfect explanation and step by step process to retrieve the fund. The thread has been last edited two years back in 2017. Whether this is going to be effective or not need to be tested. Try to reply to the thread or directly contact that particular person Pooya87 which is the best way.

i can not think of anything major that has changed about that topic (i am the starter of it). obviously method 1 is no longer applicable. and method 2 is still the same since the clients and their developers are still not trusted. i've also updated the electroncash link (copy of Electrum for bcash).