Use a reputable tool like the Microsoft Safety Scanner or upload the file to VirusTotal to check it against multiple antivirus engines.
It may be a personal file or a compressed archive shared within a private group or organization. mascvohe.rar
RAR files can contain executable scripts or malware. Use a reputable tool like the Microsoft Safety
It could be a misspelling of a more common file name or software component. Safety Warning mascvohe.rar