I've replaced the AddOn and the SFX by a maker.
UltraISO needs to be registered and you should use the retail installer, not the one found in public download, see the readme in the archive.
See the embedded Readme file for detailed instructions.
UltraISO_SFX_Maker_1.2.7z
MD5: 3849d173d5593df6f505dddb99bb40f6
SHA-1: 4715557ff6c0fd2fb4344f18581ffaa6588b2507
Size: 644 KB