How do I remove the Atera Agent after my trial has expired?

If you need to remove the Atera Agent from your end-user devices after your trial has expired (or after deactivating your account), use this user-submitted script. Big ups to David Yoder for the contribution!

This article provides the removal script and gives a brief description of the functions within.

Remove the Agent (Windows)

Run this PowerShell script to remove the Atera Agent from your devices.

Note:

This script will work only on Windows devices with updated PowerShell versions (it will not work on Windows 7).
To run remotely, you'll need a Domain Controller for each network, PSExec, or other RMM tool.

Function Get-UninstallCodes ([string]$DisplayName) {
'HKLM:SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', 'HKLM:SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall' | ForEach-Object {
Get-ChildItem -Path $_ -ErrorAction SilentlyContinue | ForEach-Object {
If ( $(Get-ItemProperty -Path $_.PSPath -Name 'DisplayName' -ErrorAction SilentlyContinue) -and ($(Get-ItemPropertyValue -Path $_.PSPath -Name 'DisplayName' -ErrorAction SilentlyContinue) -eq $DisplayName) ) {
$str = (Get-ItemPropertyValue -Path $_.PSPath -Name 'UninstallString')
$UninstallCodes.Add($str.Substring(($str.Length - 37),36)) | Out-Null
}
}
}
}

Function Get-ProductKeys ([string]$ProductName) {
Get-ChildItem -Path 'HKCR:Installer\Products' | ForEach-Object {
If ( $(Get-ItemProperty -Path $_.PSPath -Name 'ProductName' -ErrorAction SilentlyContinue) -and ($(Get-ItemPropertyValue -Path $_.PSPath -Name 'ProductName' -ErrorAction SilentlyContinue) -eq $ProductName) ) {
$ProductKeys.Add($_.PSPath.Substring(($_.PSPath.Length - 32))) | Out-Null
}
}
}

Function Get-ServiceStatus ([string]$Name) { (Get-Service -Name $Name -ErrorAction SilentlyContinue).Status }

Function Stop-RunningService ([string]$Name) {
If ( $(Get-ServiceStatus -Name $Name) -eq "Running" ) { Write-Output "Stopping : ${Name} service" ; Stop-Service -Name $Name -Force }
}

Function Remove-StoppedService ([string]$Name) {
$s = (Get-ServiceStatus -Name $Name)
If ( $s ) {
If ( $s -eq "Stopped" ) {
Write-Output "Deleting : ${Name} service"
Start-Process "sc.exe" -ArgumentList "delete ${Name}" -Wait
}
} Else { Write-Output "Not Found: ${Name} service" }
}

Function Stop-RunningProcess ([string]$Name) {
$p = (Get-Process -Name $_ -ErrorAction SilentlyContinue)
If ( $p ) { Write-Output "Stopping : ${Name}.exe" ; $p | Stop-Process -Force }
Else { Write-Output "Not Found: ${Name}.exe is not running"}
}

Function Remove-Path ([string]$Path) {
If ( Test-Path $Path ) {
Write-Output "Deleting : ${Path}"
Remove-Item $Path -Recurse -Force
} Else { Write-Output "Not Found: ${Path}" }
}

Function Get-AllExeFiles ([string]$Path) {
If ( Test-Path $Path ) {
Get-ChildItem -Path $Path -Filter *.exe -Recurse | ForEach-Object { $ExeFiles.Add($_.BaseName) | Out-Null }
}
}

# Mount HKEY_CLASSES_ROOT registry hive
New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT | Out-Null

#######
# START: Information gathering
#######

# Get MSI package codes from the uninstall key
$UninstallCodes = New-Object System.Collections.ArrayList
'AteraAgent', 'Splashtop for RMM', 'Splashtop Streamer' | ForEach-Object { Get-UninstallCodes -DisplayName $_ }

# Get product keys from the list of installed products
$ProductKeys = New-Object System.Collections.ArrayList
'AteraAgent', 'Splashtop for RMM', 'Splashtop Streamer' | ForEach-Object { Get-ProductKeys -ProductName $_ }

# Define all the directories we'll need to cleanup at the end of this script
$Directories = @(
"${Env:ProgramFiles}\ATERA Networks",
"${Env:ProgramFiles(x86)}\ATERA Networks",
"${Env:ProgramFiles}\Splashtop\Splashtop Remote\Server",
"${Env:ProgramFiles(x86)}\Splashtop\Splashtop Remote\Server",
"${Env:ProgramFiles}\Splashtop\Splashtop Software Updater",
"${Env:ProgramFiles(x86)}\Splashtop\Splashtop Software Updater",
"${Env:ProgramData}\Splashtop\Splashtop Software Updater"
)

# Get all possible relevant exe files so we can make sure they're closed later on
$ExeFiles = New-Object System.Collections.ArrayList
"${Env:ProgramFiles}\ATERA Networks" | ForEach-Object { Get-AllExeFiles -Path $_ }

# Define a list of services we need to stop and delete (if necessary)
$ServiceList = @(
'AteraAgent',
'SplashtopRemoteService',
'SSUService'
)

# Define a list of registry keys we'll delete
$RegistryKeys = @(
'HKLM:SOFTWARE\ATERA Networks',
'HKLM:SOFTWARE\Splashtop Inc.',
'HKLM:SOFTWARE\WOW6432Node\Splashtop Inc.'
)

#######
# END: Information gathering
#######

# Uninstall each MSI package code in $UninstallCodes
$UninstallCodes | ForEach-Object { Write-Output "Uninstall: ${_}" ; Start-Process "msiexec.exe" -ArgumentList "/X{${_}} /qn" -Wait }

# Stop services if they're still running
$ServiceList | ForEach-Object { Stop-RunningService -Name $_ }

# Terminate all relevant processes that may still be running
$ExeFiles.Add('reg') | Out-Null
$ExeFiles | ForEach-Object { Stop-RunningProcess $_ }

# Delete services if they're still present
$ServiceList | ForEach-Object { Remove-StoppedService -Name $_ }

# Delete products from MSI installer registry
$ProductKeys | ForEach-Object { Remove-Path -Path "HKCR:Installer\Products\${_}" }

# Unmount HKEY_CLASSES_ROOT registry hive
Remove-PSDrive -Name HKCR

# Delete registry keys
$RegistryKeys | ForEach-Object { Remove-Path -Path $_ }

# Delete remaining directories
#Write-Host "Waiting for file locks to be freed" ; Start-Sleep -Seconds 4
$Directories | ForEach-Object { Remove-Path -Path $_ }

The PowerShell script explained (briefly)

The agent removal script is made up of several functions, explained below:

Get-UninstallCodes: Retrieves the MSI package codes from the uninstall key for:
- Atera Agent
- Splashtop for RMM
- Splashtop Streamer
Get-ProductKeys: Retrieves the product keys from the following products:
- Atera Agent
- Splashtop for RMM
- Splashtop Streamer
Get-ServiceStatus: Retrieves all running services.
Stop-RunningService: Stops services retrieved by the 'Get-ServiceStatus' function.
Remove-StoppedService: Removes services stopped by the 'Stop-RunningService' function.
Stop-RunningProcess: Stops processes (Atera Agent and Splashtop Streamer) from running.
Remove-Path: Removes all files from the following directories.
- {Env:ProgramFiles}\ATERA Networks
- {Env:ProgramFiles(x86)}\ATERA Networks
- {Env:ProgramFiles}\Splashtop\Splashtop Remote\Server
- {Env:ProgramFiles(x86)}\Splashtop\Splashtop Remote\Server
- {Env:ProgramFiles}\Splashtop\Splashtop Software Updater
- {Env:ProgramFiles(x86)}\Splashtop\Splashtop Software Updater
- {Env:ProgramData}\Splashtop\Splashtop Software Updater
Get-AllExeFiles: Searches for the relevant .exe files under Atera Networks and Splashtop Streamer — including their child processes — to ensure they've been removed.

Remove the Agent (Mac)

Run the following commands to do a full clean-up for Mac devices.

cd "/Library/Application Support"
sudo rm -rf com.atera*
sudo rm -rf /Library/LaunchDaemons/com.atera.ateraagent.plist
sudo rm -rf /Applications/AteraAgent.app

Remove the Agent (Linux)

You must run this command in the Terminal to remove the Atera agent from your Linux device.

/usr/lib/atera-agent/uninstall.sh

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