KRyLack RAR Password Recovery is a program to recover lost or forgotten passwords to RAR (including v3.x and v4.x, SFX, multi-volume and archives with encrypted filenames) archives.

Key Features:
The program has a convenient user interface
RAR Archives (All versions including v3.0 and v4.0) are supported
RAR Archives with encrypted Filenames supported
Multi-volume RAR archives support
Self-extracting archives are supported
Archives created by various software packages are supported
The program is very customizable: you can set the password length, the character set to be used to generate the passwords, mask character, and a couple of other options
You can select the custom character set for brute-force attack (non-English characters are supported)
Brute-Force attack
The brute-force with mask attack (with custom mask character) is available
Dictionary-based attack is available
Autosave password search state and resume after a stop or a crash
Extract tool for ZIP, RAR and ACE archives
The maximum password length is not limited
CPU Priority control is available
Full Skinning Support
Auto Update tool automatically downloads and installs new versions of KRyLack Password Recovery