: There have been documented cases where legitimate versions of ninja.exe were flagged as suspicious (e.g., Trojan:Win32/Skeeyah.I ) by antivirus software like Windows Defender.

: The legitimate executable ninja.exe is the primary component of the Ninja build system , designed for speed in software compilation. It is frequently used with CMake and Android Studio.

: A program called Ninja Pendisk , which also uses the filename ninja.exe , is designed to protect USB drives from autorun-based malware and viruses.