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hidden extensions in windows

By default windows hides file extensions in the file explorer. Now you would think as I that this is no big deal, just turn off that 'feature' in the explorer settings.
As it turns out windows still hides some extensions. There is an entry on the F-secure blog about this.
Naturally I had to check this out.

I first created a file with a .pif extension.

The extension is hidden in the file explorer:

This can be solved by editing the registry, there is a key called NeverShowExt which you can delete. Look under
[HKEY_LOCAL_MACHINE\Software\CLASSES\ShellScrap]
I deleted the entry for the .shs extension and did a reboot.


I created a file with a .shs extension.


more information
F-secure
some security tips

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