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SDelete

2.01

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This package was approved as a trusted package on 7/3/2018.

Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.

One feature of Windows NT/2000's (Win2K) C2-compliance is that it implements object reuse protection. This means that when an application allocates file space or virtual memory it is unable to view data that was previously stored in the resources Windows NT/2K allocates for it. Windows NT zero-fills memory and zeroes the sectors on disk where a file is placed before it presents either type of resource to an application. However, object reuse does not dictate that the space that a file occupies before it is deleted be zeroed. This is because Windows NT/2K is designed with the assumption that the operating system controls access to system resources. However, when the operating system is not active it is possible to use raw disk editors and recovery tools to view and recover data that the operating system has deallocated. Even when you encrypt files with Win2K's Encrypting File System (EFS), a file's original unencrypted file data is left on the disk after a new encrypted version of the file is created.

Command line usage

SDelete is a command line utility that takes a number of options. In any given use, it allows you to delete one or more files and/or directories, or to cleanse the free space on a logical disk. SDelete accepts wild card characters as part of the directory or file specifier.

sdelete [-p passes] [-s] [-q] <file | directory>

sdelete [-p passes] [-z|-c] [drive letter]

-a Remove Read-Only attribute.

-c Clean free space.

-p passes Specifies number of overwrite passes (default is 1).

-q Don't print errors (Quiet).

-s or -r Recurse subdirectories.

-z Zero free space (good for virtual disk optimization).

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

C:\> choco install sdelete

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

C:\> choco upgrade sdelete

Files

Hide
  • tools\chocolateyInstall.ps1 Show
    $packageName = 'sdelete'
    $url = 'https://download.sysinternals.com/files/SDelete.zip'
    $checksum = 'e78fe7d61b760118529858351c20e2814d5ca8a0c16e7c65fd180fd12f431824'
    $checksumType = 'sha256'
    $url64 = "$url"
    $checksum64 = "$checksum"
    $checksumType64 = "checksumType"
    $toolsDir = "$(Split-Path -parent $MyInvocation.MyCommand.Definition)"
    Install-ChocolateyZipPackage -PackageName "$packageName" `
                                 -Url "$url" `
                                 -UnzipLocation "$toolsDir" `
                                 -Url64bit "$url64" `
                                 -Checksum "$checksum" `
                                 -ChecksumType "$checksumType" `
                                 -Checksum64 "$checksum64" `
                                 -ChecksumType64 "$checksumType64"
    Write-Verbose "Accepting license..."
    $regRoot = 'HKCU:\Software\Sysinternals'
    $regPkg = 'SDelete'
    $regPath = Join-Path $regRoot $regPkg
    if (!(Test-Path $regRoot)) {New-Item -Path "$regRoot"}
    if (!(Test-Path $regPath)) {New-Item -Path "$regRoot" -Name "$regPkg"}
    Set-ItemProperty -Path "$regPath" -Name EulaAccepted -Value 1
    if ((Get-ItemProperty -Path "$regPath").EulaAccepted -ne 1) {
      throw "Failed setting registry value."
    }

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.

Dependencies

This package has no dependencies.

Package Maintainer(s)

Software Author(s)

  • Mark Russinovich

Copyright

© Mark Russinovich

Tags

Release Notes

Program

Package

  • Automatically built and uploaded by dtgm

Version History

Version Downloads Last updated Status
SDelete 2.00 2152 Tuesday, July 5, 2016 approved
SDelete 1.61.0.20160210 1278 Wednesday, February 10, 2016 approved
SDelete 1.61 871 Tuesday, January 19, 2016 approved

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  • Tell us what you love about the package or SDelete, or tell us what needs improvement.
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