Port-scanner.exe

Using the PortQry command-line tool - Windows Server | Microsoft Learn

A file named is typically a standalone executable application designed to scan network devices for open ports. Because "Port-Scanner.exe" is a generic name, it can refer to legitimate network administration tools or, in some cases, malicious software disguised as a utility. Common Applications Port-Scanner.exe

Because port scanning is a primary technique used by hackers to find vulnerabilities (such as "open doors" into a network), security software often flags these executables. Using the PortQry command-line tool - Windows Server

A port scanner works by sending requests to specific ports on a host and analyzing the responses to determine their status: in some cases