RAR files are often password-protected to prevent unauthorized access or to comply with hosting terms. If the standard site password doesn't work, a password unlocker uses advanced algorithms to "guess" the code through various methods:
A user searches for downloadly.ir rar password unlocker free download full version . They find a website offering a 2MB executable named RAR_Unlocker_Pro.exe . After running it: downloadly.ir rar password unlocker