He uploaded the .rar to VirusTotal.com, which scanned it with 70+ antivirus engines. It came back with 15 "Malicious" flags.
Despite his excitement, Alex noticed three things that felt "off": Download File 900k .rar
He opened it in a "Sandbox" environment (a secure, isolated virtual machine) and saw it contained a file named Data_Viewer.exe —a clear sign of a virus. He uploaded the