Inno Setup installers usually contain one of two signatures (without quotes): Inno Setup Unpacker offers support for most Inno Setup releases ranging from installers created with the free installer solution Inno Setup, available Inno Setup Unpacker supports listing and unpacking the content of software XPEHOPE3KA, icfu, TychoBarfy, MVV, deus-ex Authors : Gnozal, Maxwish, arsvrn, MultiArc team, ZoSTeR, ID="Inno Setup Setup Data (4.0", "Inno Setup Setup Data (4.1", "Inno Setup Setup Data (4.2.1", "Inno Setup Setup Data (4.2.2)", "Inno Setup Setup Data (4.2.3", "Inno Setup Setup Data (4.2.5", "Inno Setup Setup Data (4.2.6", "Inno Setup Setup Data (5" In the case of InnoSetup, that's where the "installable" files are stored in some format custom to InnoSetup, but 7-zip doesn't know that.Archiver=%COMMANDER_PATH%\Packer\InnoUnp\innounp.exe numbered "files" are just how 7-zip displays various additional, nameless sections in any generic. rsrc section contains the program's icon, dialog layouts, translations, etc.) They aren't really files at all, that's only how 7-zip represents them. data section holds initial values of all variables in the program, and the. text section holds the machine code that'll get loaded into memory and executed on the CPU, the. When you open in 7-zip an executable that doesn't contain an actual archive inside, what you're seeing is the various data "sections" that comprise an *.exe file in general. exe file (specifically, as a PE/COFF format file). And because it can't find a known archive in InnoSetup's setups and doesn't have a custom handler for InnoSetup either, it just opens the file as a generic. But it would need a special handler for InnoSetup, WISE, and others too. They can invent their own packing format (after all, the setup executable comes with the correct unpacker anyway), they can store each file in the "resource" section, they can even store some files in the program code section – there's nothing that strictly defines how a setup executable should work.įor some other setup executables (such as NSIS), 7-zip actually has a special handler just for that kind of installer. However, this is not in any way guaranteed for setup executables – they can store the packaged files in any way they want. (InstallShield has its own specific archive format, but it has an archive format nevertheless.) cab archive in the same file – 7-zip will recognize those without needing to do anything special, it just finds the ZIP header and starts from there. Some setup executables just literally have an installer executable combined with a generic.
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