Generic or randomized filenames are a common tactic for spreading info-stealers or ransomware.
Downloading and opening unidentified .rar files like this carries significant risks:
Avoid double-clicking the file. Some .rar exploits can execute code upon extraction if using outdated software.
While the exact contents of a file with such a randomized name can vary depending on the source, it is commonly associated with:
Because these files are often re-uploaded across various mirror sites, they are frequently corrupted or part of a multi-part archive where the other pieces are missing. Best Practices for Handling This File
Many files with these names are "bait" intended to drive traffic to malicious websites that claim to provide the decryption key.