Forum Discussion
Forgot RAR file password — what is a good RAR password recovery tool?
This is a basic approach to attempt rar password recovery without specialized GPU software. It essentially lets you test simple archive passwords quickly by cross-referencing precomputed hash libraries, allowing you to check basic passcode matches and decide if more powerful cracking tools are needed for full rar password recovery.
Usage Guide: Download and extract a rainbow table set matching your RAR version’s hash algorithm, then extract the hash string from your locked RAR archive via rar2john. Import the exported hash file into your rainbow table lookup program, start the hash matching scan, and wait for the tool to return any matching passwords stored inside the precomputed table. This method requires no real-time brute force calculation and swiftly helps you test common simple passcodes, though it fails to handle modern high-iteration encrypted archives.
It is suitable for quickly testing older RAR 3 archives with basic passwords, performing preliminary password filtering before launching a dictionary attack, or when GPU-accelerated cracking tools cannot be installed.
Disadvantages
- It is virtually ineffective for RAR 5 files with up to 100,000 encryption iterations.
- requires a huge amount of local storage space to store the complete rainbow table package.
- cannot crack random, complex passwords that fall outside the precomputed hash range.