If this is truely scam I wont be surprised if they are the one who changed OP password immediately he deposited some money there... Its a possiblity though so I wont be quick to blame OP for not remembering his password because I hardly forgets password where my money is, I can even forget facebook, or gmail but not where my money is...
I totally agree with you, it can be that they would have changed the password , that is why they are not responding to his support query, as they dont have any answer to reply. Just now checked the site and it is not working, and this message is appearing on the screen.
Error 523 Ray ID: 2e2bb8bfc0832fe1 • 2016-09-15 11:26:04 UTC
Origin is unreachable
You Browser Working CloudFlare Working bitcoinblender.net HostError
so now they have also stopped the site. It means that it is totally scam site.