Topic: I forgot password of my wallet.dat file from 2013 "13.8 BTC" (Read 1706 times)

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I was in a similar situation, had lost the password to a Bitcoin Core wallet with 12.5 BTC and the same amount from Forks in BCH and BSV. I had tried on and off for almost 2 years to crack it using brute force software with familiar words and even random characters all to no avail.

I had heard of Wallet Recovery Services and after giving up accomplishing the job myself I decided to get in touch with Dave. He was professional and helpful throughout the process asked me for my best guesses and any peculiar formatting that I thought may help. It took them around 3 weeks to decypher my password and as soon as he had done this he emailed me with the update.

They charge a 20% fee for the service but considering I had written off the investment it was well worth it to recover my funds. After all, 80% of something is better far than 100% of nothing  

Dave is reliable, honest and a frigging genius, I cannot recommend them enough for anyone that slipped up and lost the access to their wallets.

https://walletrecoveryservices.com/

Those malware would have to be more sophisticated, they'd need to know if the computer could send files or email them or something (or run them through public SMPT or other servers maybe).

The ones that are flying around are simple clipboard malware, those work almost instantly as when a victim pastes the wrong address and hits send, it goes to the malware author directly.

Malware authors wouldn't waste time, 6 hours, cracking passwords when they can just trick you into either unlocking your wallet for them (keylogger) or just sending to them "accidentally" with a copy paste clipboard thing.

There are many malaware looking for private keys, wallet.dat files etc. Hackers are even putting out fake github repos, so when you think you are downloading an updated version of pywallet or btcrecover the code includes a call to execute more malicioue code in the cloud.

I even had a person recently sending a "lost" wallet with possible passwords in a word document that contained a trojan virus.

So its actually out  in the wild, unfortunately...

/KX

Just a quick question here, if it takes only a few hours to crack a 6 character password, why are malware not simply targeting the wallet.dat

files and sending them to the hackers when they are found? I think most people are too lazy to use longer passwords, so they will have a field day,

just sitting back and recovering coins from all these wallet.dat files that are send to them.    I tried this and it was relatively easy to do this

with the manual that was provided here.    Luckily my passwords are all a lot longer and more complex and my main hoard is not stored in these

types of wallets. 

Check out walletrecoveryservices.com they have helped many users from different wallet types in recovering their password as long as you remember some part of it or otherwise it would be near impossible.

He never came back, and the original coins on the address has never moved. If I were him, as soon as I'd get the password, I would move the coins to a different address. He'd also have all the forks since then.

Thank you , slightly confussed here.
So i use --regex-only on the command line along with its value of exactly this string ....  "^[AaBbCceGHLKn56@#%]{5,10}$"     (including the double quotes?)
is this an OR .. or do i need to using --tokenlis still and then put that string in the tokens.txt file .... for example in that file i have my password which is 3 words which i have broken up in 3 lines.... as  a test.
Thing is i really want to crack against certain custom character set and not all 26 letters of the alphabet.
Still just trying to get the hang of what my command should be and what text/token file i need.
really not sure why it written like this anyways, programs like accent password recovery and elcomsoft specifically have a custom character set field in which you type your characters and there is no mention or need of a second file or token file, its just crazy.

Sorry, almost getting it but not quite man, please see if you can help me again.

so example... my password would be SugarSwe3T   
so i would say ->  python btcrecover.py --listpass --tokenlist tokens.txt     <-  so inside int eh tokens.txt file i need to put what?
tokens.txt :
line 1 - %5,10[AaBbCceGHLKn56@#%     <-  so the 5,10 means string of 5-10 chars? and using only those characters?  [AaBbCceGHLKn56@#% <- where is the other square bracket ?


or do u just write this character set on the command  line  and no need for a tokens.txt file?

*sigh*

But not a single one is as reputable and trusted as daves recovery service.




They would definitely try to recover it if there is a chance in finding the password.
This wouldn't be the smallest wallet being recovered by them. I know at least one person who got a wallet containing between 1 and 3 BTC recovered by them. I doubt 13 BTC wouldn't be enough.

You can also use other services. There is at least 2 more major with bigger hash rate. and i doubt the service above would bother with such a small wallet when there is 10k btc wallet offered for various recovery services.

You can use regular expression.
To specify min 5 and max 10 you should use:

--regex-only "^.{5,10}$"

If you want add characters:

--regex-only "^[AaBbCceGHLKn56@#%]{5,10}$"

You can test your regex before use on the site like https://regex101.com/

Or you should use wildcards in the Token File (tokens.txt):
See https://github.com/gurnec/btcrecover/blob/master/TUTORIAL.md#expanding-wildcards
So use %5,10[AaBbCceGHLKn56@#%]



Maybe I am wrong in details, I can't check it now, but you can test it:
I think you can use 'listpass' to test regex too.

Hi, i have downloaded this btcrecovery program and read the help and tried to prepare the tokens.txt and so on but i still dont understand it.

How do i brute force a password of whatever length, it should surely be just like it is for a ZIP file

This python script looks really good, but the help and the syntax is what i am really struggling to understand .

If somebody can please tell me how to brute force using a character set i believe i know i used.


So surely i can say something like btcrecovery --wallet wallet.dat -- something min and max or --charset AaBbCceGHLKn56@#%
something like this

hey,

No, I wrote it for the TS. feel free to use it  

Hi Near28,

Quick question, is this tutorial published anywhere else?  It'd be good to have on a Wiki or somewhere.

Best regards,
Ben

Everyone can create a "Satoshibox" - It does not have to be the TS.

But it is suspicious, he post an email and never reply in this thread.

Only take HCP's advice on this one. Risking so much money with random wallet recovery services is just stupid. Especially considering that it is only a 6-char password.

Just out of curiosity, did you manage to recover your password?

You say "small portion of the balance". 20% (flat rate of the service) of 13 BTC = 2.6 BTC,
2.6 BTC x 11,500 UD = almost 30k

Sorry but 30k for cracking a 6 char password is akin to daylight robbery. Besides you don't need need a "supercomputer" for 6 chars...heck you probably don't even need a GPU !!!

@OP: I would strongly suggest that you use btcrecover. Other members have meticulously created how-to's /tutorials so I think you ought to fare well by DIY. Save your 30k its a shit load of money to be wasting for an hour or so of brute-forcing.

You can crack a 6 character password in seconds on any normal computer using BTC recover, I just hope you used ASCII characters and its make your account save.
Otherwise, if you still fail to recover your funds as you forgot your password, then you can defer to a wallet recovery service, such as walletrecoveryservices.com, they will use a supercomputer to crack your password in exchange for a small portion of the balance.

To protect you from a big mistake i wrote you a Tutorial for BTCRecover (even if I'm a fan of hashcat  )

I make this Step-by-Step because I think that you do not really know about such things - sorry if i am wrong.

Step 1.) Download BTCRecover from Github: (https://github.com/gurnec/btcrecover
Step 2.) Extract the files to your Desktop, now you should have a folder named "btcrecover-master" on your Desktop
Step 3.) Create a new .txt-file on your Desktop and name it tokens.txt - Open the tokens.txt and write this in it: %6P then put the tokens.txt into the "btcrecover-master" folder
Step 4.) Make a Copy of your Wallet.dat and copy it in the btcrecover-master folder - Now you have your tokens.txt and your Wallet.dat in the btcrecover-master folder.
Step 5.) Open the command prompt, now you should see this: "C:\Users\XYZ" type here now: "cd desktop" than "cd btcrecover-master" now it should look like this: "C:\Users\XYZ\Desktop\btcrecover-master>"
Step 6.) Ok, last Step, type this into the commend prompt: "C:\python27\python btcrecover.py --wallet wallet.dat --no-dupchecks --tokenlist tokens.txt"
Step 7.) Wait for btcrecover to crack your password

I tried to make it as easy as possible - hope you can handle it

If you have not installed Python you have to do it first otherwise btcrecover will not work

If that's too complicated for you, I strongly advise you only to work with Dave from https://walletrecoveryservices.com/ - He is definitely trustworthy.


If you wait for a magic button that unlocks your wallet - good luck with it!

that is the Generally-fee, in this case, he will certainly take less, the wallet has 13 BTC and the password is cracked in 1min (if it really only has 6 characters)

~Cheers