How Can I Identify Installer Type (Eg: Inno Setup, Nsis, Installshield, Msi Etc ) In Windows? Can Any One Help Me Out With This?

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I am trying to uninstall applications silently. So how can i identify installer type (eg: Inno setup, NSIS, InstallShield, MSI etc ) in windows?? Can any one help me out with this?

Posted 10-Dec-14 18:26pm

Nitin R G

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Jochen Arndt · Answer 1 · 2014-12-10T22:38:00

You can read the installer file into memory and search for specific markers. To identify text markers, open the file with a hex editor.

For an InnoSetup file I found for example the strings "Inno Setup Data (5.2.3)" and "Inno Setup Messages (5.1.11)". For NSIS "Nullsoft Install System v2.46" inside an embedded XML file.

MSI files are OLE compound files (like old MS Office files) that begin with the hex sequence D0 CF 11 E0 A1 B1 1A E1.