Use a reputable tool like Malwarebytes or Windows Defender to scan your system if you interacted with the file.
If you have already downloaded it, delete it immediately without opening it. Download S140521 rar
If you still have the file, upload it to VirusTotal to see if major security engines flag it as malicious. Use a reputable tool like Malwarebytes or Windows
What were you expecting this file to contain? What website or platform provided the download link? a random forum
Many download links for this file will force you to complete "human verification" surveys that never actually unlock the file but do steal your personal data.
If you found this link on a YouTube description, a random forum, or a "free crack" site, it is almost certainly a security threat.