129 lines
5.0 KiB
PowerShell
129 lines
5.0 KiB
PowerShell
Function CLogMsg {
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param([Parameter(Mandatory=$true,ValueFromPipeline=$true)][string]$Message)
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If ( $CUSTOM_LOG_AVAILABLE ) { LogMsg $Message } Else { CLogMsg $Message }
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}
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Function Get-UninstallCodes ([string]$DisplayName) {
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'HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', 'HKLM:SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall' | ForEach-Object {
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Get-ChildItem -Path $_ -ErrorAction SilentlyContinue | ForEach-Object {
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If ( $(Get-ItemProperty -Path $_.PSPath -Name 'DisplayName' -ErrorAction SilentlyContinue) -and ($(Get-ItemPropertyValue -Path $_.PSPath -Name 'DisplayName' -ErrorAction SilentlyContinue) -eq $DisplayName) ) {
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$str = (Get-ItemPropertyValue -Path $_.PSPath -Name 'UninstallString')
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$code = $str.Substring(($str.Length - 37),36)
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CLogMsg " - ${code}"
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$UninstallCodes.Add($code) | Out-Null
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}
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}
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}
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}
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Function Get-ProductKeys ([string]$ProductName) {
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Get-ChildItem -Path 'HKCR:Installer\Products' | ForEach-Object {
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If ( $(Get-ItemProperty -Path $_.PSPath -Name 'ProductName' -ErrorAction SilentlyContinue) -and ($(Get-ItemPropertyValue -Path $_.PSPath -Name 'ProductName' -ErrorAction SilentlyContinue) -eq $ProductName) ) {
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$prod = $_.PSPath.Substring($_.PSPath.Length - 32)
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CLogMsg " - ${prod}"
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$ProductKeys.Add($prod) | Out-Null
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}
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}
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}
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Function Get-ServiceStatus ([string]$Name) { (Get-Service -Name $Name -ErrorAction SilentlyContinue).Status }
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Function Stop-RunningService ([string]$Name) {
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If ( $(Get-ServiceStatus -Name $Name) -eq "Running" ) { CLogMsg "Stopping : ${Name} service" ; Stop-Service -Name $Name -Force }
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}
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Function Remove-StoppedService ([string]$Name) {
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$s = (Get-ServiceStatus -Name $Name)
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If ( $s ) {
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If ( $s -eq "Stopped" ) {
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CLogMsg "Deleting : ${Name} service"
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Start-Process "sc.exe" -ArgumentList "delete ${Name}" -Wait
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}
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} Else { CLogMsg "Not Found: ${Name} service" }
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}
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Function Stop-RunningProcess ([string]$Name) {
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$p = (Get-Process -Name $_ -ErrorAction SilentlyContinue)
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If ( $p ) { CLogMsg "Stopping : ${Name}.exe" ; $p | Stop-Process -Force }
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Else { CLogMsg "Not Found: ${Name}.exe is not running"}
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}
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Function Remove-Path ([string]$Path) {
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If ( Test-Path $Path ) {
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CLogMsg "Deleting : ${Path}"
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Remove-Item $Path -Recurse -Force
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} Else { CLogMsg "Not Found: ${Path}" }
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}
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Function Get-AllExeFiles ([string]$Path) {
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If ( Test-Path $Path ) {
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Get-ChildItem -Path $Path -Filter *.exe -Recurse | ForEach-Object { $ExeFiles.Add($_.BaseName) | Out-Null }
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}
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}
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CLogMsg "Uninstalling Atera agent"
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# Test if the custom function LogMsg is available in the current scope
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If ( Get-Command 'LogMsg' -ErrorAction SilentlyContinue ) { $CUSTOM_LOG_AVAILABLE = $true } Else { $CUSTOM_LOG_AVAILABLE = $false }
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CLogMsg "Mounting HKEY_CLASSES_ROOT registry hive"
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New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT | Out-Null
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#######
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# START: Information gathering
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#######
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CLogMsg "Getting MSI package codes from the uninstall key"
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$UninstallCodes = New-Object System.Collections.ArrayList
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'AteraAgent' | ForEach-Object { Get-UninstallCodes -DisplayName $_ }
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CLogMsg "Getting product keys from the list of installed products"
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$ProductKeys = New-Object System.Collections.ArrayList
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'AteraAgent' | ForEach-Object { Get-ProductKeys -ProductName $_ }
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CLogMsg "Directories that we may need to delete"
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$Directories = @("${Env:ProgramFiles}\ATERA Networks")
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$Directories | ForEach-Object { CLogMsg " - ${_}" }
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CLogMsg "Processes that we may need to terminate"
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$ExeFiles = New-Object System.Collections.ArrayList
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$Directories | ForEach-Object { Get-AllExeFiles -Path $_ }
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$ExeFiles.Add('reg') | Out-Null
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$ExeFiles | ForEach-Object { CLogMsg " - ${_}.exe" }
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CLogMsg "Windows services that we may need to stop and/or delete"
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$ServiceList = @('AteraAgent')
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$ServiceList | ForEach-Object { CLogMsg " - ${_}" }
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CLogMsg "Windows Registry keys we may need to delete"
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$RegistryKeys = @('HKLM:SOFTWARE\ATERA Networks')
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$RegistryKeys | ForEach-Object { CLogMsg " - ${_}" }
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#######
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# END: Information gathering
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#######
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# Uninstall each MSI package code in $UninstallCodes
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$UninstallCodes | ForEach-Object { CLogMsg "Uninstall: ${_}" ; Start-Process "msiexec.exe" -ArgumentList "/X{${_}} /qn" -Wait }
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# Stop services if they're still running
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$ServiceList | ForEach-Object { Stop-RunningService -Name $_ }
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# Terminate all relevant processes that may still be running
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$ExeFiles | ForEach-Object { Stop-RunningProcess $_ }
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# Delete services if they're still present
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$ServiceList | ForEach-Object { Remove-StoppedService -Name $_ }
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# Delete products from MSI installer registry
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$ProductKeys | ForEach-Object { Remove-Path -Path "HKCR:Installer\Products\${_}" }
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CLogMsg "Unmount HKEY_CLASSES_ROOT registry hive"
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Remove-PSDrive -Name HKCR
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# Delete registry keys
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$RegistryKeys | ForEach-Object { Remove-Path -Path $_ }
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# Delete remaining directories
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$Directories | ForEach-Object { Remove-Path -Path $_ }
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