(e.g., a website, an email, your downloads folder)? The file size (if it's an actual file on your computer)? What you were looking for when you found it?
Some automated backup systems generate random strings for security. Qwopfkqfqwks rar
Use VirusTotal to check the file before extracting. Possible Interpretations Qwopfkqfqwks rar
Compressed files can hide viruses or "zip bombs." Qwopfkqfqwks rar
If you can share where you found this name or what you think is inside the file, I can give you more specific advice. :
It could be "mojibake" (text resulting from incorrect character encoding).