The exe file type is mainly associated with Executable File, Microsoft Corporation, Fixing a Broken EXE Association, and with the following MIME types: application/octet-stream, application/x-msdownload, application/exe, application/x-exe, application/dos-exe, vms/exe, application/x-winexe, application/msdos-windows, application/x-msdos-program
This SonicWALL signature identifies HTTP downloads of files with exe extension when gzipped.