: Malicious actors often use randomized or alphanumeric strings (like Per6Kn ) to name files to bypass basic keyword filters in security software.
: RAR files are frequently used as "containers" for malware. While the .rar file itself isn't dangerous until opened, the executable files inside (like .exe or .bat ) can infect your system immediately upon extraction.
: Use a trusted tool like Malwarebytes or Windows Defender to perform a full system scan.