Have 4 BTC in winrar file. Lost the password for win rar

[l0rdevil]

Hello,
I have 4 btc in winrar file. I tried bruteforcing and everything still unable to open.
Is there anyone who can help me open the file. I will pay handsome reward.

Its a winrar password protected file.

Thank you

[TheBogeyman]

Do you have any additional info? password structure for example, length of password something?

[l0rdevil]

Do you have any additional info? password structure for example, length of password something?

No 
I have tried all known passwords

[buka]

You can extract the hash using the rar2john utility and then try to crack it using a wordlist or a wordlist plus rules. We can help if you encounter any difficulties in the process.
Beware it's potentially NOT safe to share the hash with anyone.