Most files labeled as "PSN Checkers" in .rar format are either malware or tools used for illegal activities like .
: Analysis of similar "checker" tools has shown they often contain spyware designed to access sensitive information from your browser, modify system certificates, or fingerprint your computer.
: These tools are typically designed to test thousands of stolen username and password combinations (combo lists) at high speed. Using or downloading such tools can put you in legal jeopardy and lead to account suspensions. Better Ways to Manage Your PSN Account