Here's a Powershell script to traverse all the keys in the registry at HKEY-CLASSES-ROOT to get all Windows file extensions that start with a dot.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | #============================================================================================================================================================ # AUTHOR: metadataconsult@gmail.com # WEBSITE: http://metadataconsulting.blogspot.com # # SCRIPT NAME: GetAllFileExtensions.ps1 # DATE: 17/10/2018 # VERSION: 1.0.0.0 # # SYNPOSIS: Get all file extensions from registry at HKEY_CLASSES_ROOT # #============================================================================================================================================================ #set HKCR hack New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT $i=0 Get-ChildItem 'HKCR:\' | ForEach-Object { If($_.name -Match "^HKEY_CLASSES_ROOT\\\..+") { $i++ Write-Host $_.Name.Replace("HKEY_CLASSES_ROOT\","") } } "$i file extensions in Registry @ HKEY_CLASSES_ROOT\" $i=0 Get-ChildItem 'HKLM:\Software\Classes\' | ForEach-Object { If($_.name -Match "^HKEY_LOCAL_MACHINE\\Software\\Classes\\\..+") { $i++ Write-Host $_.Name.Replace("HKEY_LOCAL_MACHINE\Software\Classes\","") } } "$i file extensions in Registry @ HKEY_LOCAL_MACHINE\Software\Classes\" $i=0 Get-ChildItem 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\' | ForEach-Object { If($_.name -Match "^HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\\..+") { $i++ Write-Host $_.Name.Replace("HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\","") } } "$i file extensions in Registry @ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\" |
My other Powershell scripts
- Simple System Info - get CPU,GPU,Memory,HD/SSD info on 1 line
