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This package was approved by moderator flcdrg on 5/28/2017.

de4dot is an open source (GPLv3) .NET deobfuscator and unpacker written in C#. It will try its best to restore a packed and obfuscated assembly to almost the original assembly. Most of the obfuscation can be completely restored (eg. string encryption), but symbol renaming is impossible to restore since the original names aren't (usually) part of the obfuscated assembly.

To install de4dot, run the following command from the command line or from PowerShell:

C:\> choco install de4dot

To upgrade de4dot, run the following command from the command line or from PowerShell:

C:\> choco upgrade de4dot


  • tools\bin\AssemblyServer-CLR20-x64.exe.ignore
  • tools\bin\AssemblyServer-CLR20.exe.ignore
  • tools\bin\AssemblyServer-CLR40-x64.exe.ignore
  • tools\bin\AssemblyServer-CLR40.exe.ignore
  • tools\bin\AssemblyServer-x64.exe.ignore
  • tools\bin\AssemblyServer.exe.ignore
  • tools\chocolateyInstall.ps1 Show
    $packageName = 'de4dot'
    $buildId = '8ej2vtftstr9v4yw'
    $url = '{0}/artifacts/' `
           -f $buildId
    $unzipLocation = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
    Install-ChocolateyZipPackage -PackageName "$packageName" `
                                 -Url "$url" `
                                 -UnzipLocation "$unzipLocation"

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.


Package Maintainer(s)

Software Author(s)

  • 0xd4d


Version History

Version Downloads Last updated Status

Discussion for the de4dot Package

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  • This discussion is only about de4dot and the de4dot package. If you have feedback for Chocolatey, please contact the google group.
  • This discussion will carry over multiple versions. If you have a comment about a particular version, please note that in your comments.
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  • Tell us what you love about the package or de4dot, or tell us what needs improvement.
  • Share your experiences with the package, or extra configuration or gotchas that you've found.
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