Create a Custom Detection Script for Unfx Proxy Checker (PowerShell)

Microsoft Endpoint Manager Configuration Manager (MEMCM / SCCM) and Microsoft Intune use Detection Rules to determine the presence of Applications & Win32 Apps. The detection rules ensure that application installations only begin to run if the application is not already installed on the device. This article will serve as an informative guide and give you a clear understanding of how to create an updated custom detection script for each new version of Unfx Proxy Checker using PowerShell.

How to Create a Custom Detection Script for Unfx Proxy Checker

Unfx Proxy Checker (File Detection Method)

## Check for Unfx Proxy Checker (File Detection Method)
$UnfxProxyCheckerExe = (Get-ChildItem -Path "C:\Program Files\Unfx Proxy Checker\Unfx Proxy Checker.exe" -ErrorAction SilentlyContinue)
$UnfxProxyCheckerExe.FullName
$UnfxProxyCheckerPath = $($UnfxProxyCheckerExe.FullName).Replace("C:\Program Files\","")
$FileVersion = (Get-Item -Path "$($UnfxProxyCheckerExe.FullName)" -ErrorAction SilentlyContinue).VersionInfo.FileVersion

## Create Text File with Unfx Proxy Checker File Detection Method
$FilePath = "C:\Windows\Temp\Unfx_Proxy_Checker_Detection_Method.txt"
New-Item -Path "$FilePath" -Force
Set-Content -Path "$FilePath" -Value "If([String](Get-Item -Path `"`$Env:ProgramFiles\$UnfxProxyCheckerPath`" -ErrorAction SilentlyContinue).VersionInfo.FileVersion -ge `"$FileVersion`"){"
Add-Content -Path "$FilePath" -Value "Write-Host `"Installed`""
Add-Content -Path "$FilePath" -Value "Exit 0"
Add-Content -Path "$FilePath" -Value "}"
Add-Content -Path "$FilePath" -Value "else {"
Add-Content -Path "$FilePath" -Value "Exit 1"
Add-Content -Path "$FilePath" -Value "}"
Invoke-Item $FilePath
  • Click Run Script (F5)
  • A text file will open with the Unfx Proxy Checker Detection Method script required to detect the current version of Unfx Proxy Checker that is installed on the device you are running the script from.

Example:

If([String](Get-Item -Path "$Env:ProgramFiles\Unfx Proxy Checker\Unfx Proxy Checker.exe" -ErrorAction SilentlyContinue).VersionInfo.FileVersion -ge "1.7.2"){
Write-Host "Installed"
Exit 0
}
else {
Exit 1
}

Unfx Proxy Checker (Registry Detection Method)

## Check for Unfx Proxy Checker (Registry Detection Method)
$UnfxProxyChecker = Get-ChildItem -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall" | Get-ItemProperty | Where-Object {$_.DisplayName -match 'Unfx Proxy Checker' } | Select-Object -Property DisplayName, DisplayVersion, PSChildName
$UnfxProxyChecker.DisplayVersion
$UnfxProxyChecker.PSChildName

## Create Text File with Unfx Proxy Checker Registry Detection Method
$FilePath = "C:\Windows\Temp\Unfx_Proxy_Checker_Detection_Method.txt"
New-Item -Path "$FilePath" -Force
Set-Content -Path "$FilePath" -Value "If([Version](Get-ItemPropertyValue -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\$($UnfxProxyChecker.PSChildName)' -Name DisplayVersion -ea SilentlyContinue) -ge '$($UnfxProxyChecker.DisplayVersion)') {"
Add-Content -Path "$FilePath" -Value "Write-Host `"Installed`""
Add-Content -Path "$FilePath" -Value "Exit 0"
Add-Content -Path "$FilePath" -Value "}"
Add-Content -Path "$FilePath" -Value "else {"
Add-Content -Path "$FilePath" -Value "Exit 1"
Add-Content -Path "$FilePath" -Value "}"
Invoke-Item $FilePath
  • Click Run Script (F5)
  • A text file will open with the Unfx Proxy Checker Detection Method script required to detect the current version of Unfx Proxy Checker that is installed on the device you are running the script from.

Example:

If([Version](Get-ItemPropertyValue -Path 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\a57dc3fa-44a9-5ad7-9ce0-d3bd1513be76' -Name DisplayVersion -ea SilentlyContinue) -ge '1.7.2') {
Write-Host "Installed"
Exit 0
}
else {
Exit 1
}

Always make sure to test everything in a development environment prior to implementing anything into production. The information in this article is provided “As Is” without warranty of any kind.