: Right-click the file and run a scan with a reputable tool like Trend Micro or Windows Defender.
: If you downloaded this from a random forum or an unsolicited email, it is likely a "Trojan" designed to infect your PC. Mall.7z
: Simply opening the archive with 7-Zip is usually safe, but running any .exe or .scr files found inside is where the danger lies. : Right-click the file and run a scan