If you have encountered this file on your system or a suspicious website, do attempt to open it. RAR files can be used as delivery vehicles for malware.
There is no public information or security database entry for a specific file named . Based on general cybersecurity patterns, files with names like this—referencing a "plague" or specific years—often appear in one of three contexts: Potential File Origins
Ensure you are using the latest version of 7-Zip or WinRAR to protect against archived-based exploits.