Permanently delete the file and run a full system scan using a reputable tool like Malwarebytes or Windows Security.
Based on available threat intelligence and file naming conventions, is identified as a compressed archive containing a Remote Access Trojan (RAT) . These types of files are typically used by attackers to gain unauthorized control over a victim's computer. Analysis Overview Threat Type: Remote Access Trojan (RAT). RPS420_RAT.rar
If you already ran the file, consider your system compromised. Change your passwords from a different, clean device and enable Two-Factor Authentication (2FA). Permanently delete the file and run a full