Some download managers or installers generate temporary alphanumeric names during the extraction process. Safety Recommendations
Upload the file to VirusTotal to check it against dozens of different antivirus engines simultaneously. RDWQPZV rar
If you cannot verify exactly what the file is or who sent it, the safest course of action is to delete it permanently. "RDWQPZV" appears to be a rather than a
"RDWQPZV" appears to be a rather than a known software, document, or media project. Because it doesn't correspond to a recognized file name or acronym, a .rar file with this name is likely one of the following: it is almost certainly malicious.
It could be a personal backup or a "split" archive (part of a larger set) where the name is obfuscated for privacy.
If this was an unsolicited email attachment or a "free" version of paid software, it is almost certainly malicious.