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Windows 7: Show Super Hidden File Extensions?

25 Feb 2012   #1

Windows 7 Ultimate 64-bit
 
 
Show Super Hidden File Extensions?

I saw this tip recently and wondered if it is correct.

Would this tweak be safe to use on a home instance of Windows 7?


Even when you have configured Windows to display all file extensions, some still remain hidden. This allows potentially dangerous files to be masked as safe files, fooling the user into executing them. This tweak helps expose those file extensions.

For example, a file could be displayed as "readme.txt" in Windows Explorer, when it fact it is really named "readme.txt.shs" but since the ".shs" portion of the filename is hidden it is impossible to tell it apart from a simple text file. Then once a user double-clicks to open this file, instead of seeing a text page as expected, the file will be executed by Windows as a scrap object and potentially harm the system.

To remove the potential to hide files, open your registry and using the search function find each occurrence of a value named "NeverShowExt". Delete each
"NeverShowExt" value for the extensions you want to display.


My System SpecsSystem Spec
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25 Feb 2012   #2

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate X64 SP1
 
 

I have my Folder options set as below and the extensions always show. It will let you see the extension after the last dot, i.e. ***.txt.jpg.exe

Name:  folder opts.png
Views: 22
Size:  54.6 KB
I do leave Hide Protected OS files checked though.


My System SpecsSystem Spec
25 Feb 2012   #3

MS Windows 7 Ultimate 64-bit SP1
 
 

You don't have to go to registry to check this for all the hidden file extensions. What Britton30 has done is good enough.

Even I did the same, though sometimes I remove the check mark for Hide Protected OS files for some troubleshooting and leave the check mark back to Hide the Protected OS files.
My System SpecsSystem Spec
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26 Feb 2012   #4

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by Britton30 View Post
I have my Folder options set as below and the extensions always show. It will let you see the extension after the last dot.....
except for files that end in .url or .lnk or ......
Do you have a way to make those extensions show?
My System SpecsSystem Spec
26 Feb 2012   #5

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate X64 SP1
 
 

Quote   Quote: Originally Posted by UsernameIssues View Post
except for files that end in .url or .lnk or ......
Do you have a way to make those extensions show?
No, I never needed to have those two show.
My System SpecsSystem Spec
26 Feb 2012   #6

W7 Pro SP1 64bit
 
 

It is helpful when scripting the creation of shortcut files to see that the extension was properly created. What I do as a work around is right click on the file and use "send to" from the context menu to open the file in an editor that shows the entire file name in the title bar. I sure wish that I could just see them by looking.
My System SpecsSystem Spec
26 Feb 2012   #7

Windows 7 x64 SP1
 
 

Although the need might not arise very often it would be better if a method was available to show those files that are totally hidden - see recent thread in Security and how apparently the desktop.ini file in a folder stops the folder and files from being displayed. Only by using forensic like software can we see these. Perhaps an Explorer replacement can see these? Anyone know if this is correct?

My System SpecsSystem Spec
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 Show Super Hidden File Extensions?





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