Quickflash.rar -

: The archive might contain files like QuickFlash.pdf.exe . If your file extensions are hidden, you will only see QuickFlash.pdf and inadvertently run an executable payload.

: Upload the unopened .rar file directly to VirusTotal . This service will analyze the file against over 70 different antivirus engines to tell you if it is malicious. QuickFlash.rar

Is downloading but not opening a .rar file safe? : r/techsupport : The archive might contain files like QuickFlash

: Run a deep scan on your machine using your native antivirus, like Windows Defender or a dedicated scanner like Malwarebytes . QuickFlash.rar