I downloaded the zip file, but it will not extract. I am sorry to be digging up such an old topic, but it is the only relevant one I have found.

It is possible that the Multibit Wallet I have installed is corrupted or something. Here is what happened:

I was going to send a small amount of bitcoin to a friend. Multibit prompted me for my multibit wallet password. I use one of three passwords for all nonessential accounts. I entered the passwords, and multibit said they were incorrect. I started trying different\ combinations of wrong keys, like one key over or reversed caps/lowercase to no avail. I then made another wallet in multibit, and entered the password I mostly use for these things. I then went back to trying to unlock the other wallet. a few minutes later I went back to the newly created wallet and tried to remove the password I had just entered and written down exactly. Multibit gave me a warning of "can not decrypt bytes". I looked up this error message and the software creators say this means you entered the wrong password. I kept trying, again to no avail. So I closed/shut down the multibit software and restarted. I tried again to remove the password on the new wallet, this time it accepted.

I am running version 0.5.13 of multibit wallet. It is my thought that for some reason it is corrupt, maybe just the installation on my pc, but somehow it has not stored my password correctly. Of course it is also very possible that I just fat fingered or mistyped one letter or number twice in a row while creating the original wallet. Anyway, I would really like to unlock this wallet and get the bitcoin out of it. I have not problem paying the OP a fee of 5%, because if I can not unlock this thing, then I lose 100%.

Does anyone know of a brute force program that will work with Multibit? Has anyone tried one in the past and have experience with it? Any help would be greatly appreciated.