Uninstall Personal or Non-Standard Firefox Installations
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Description

For the purposes of this fixlet, "non-standard” means Firefox installations in users’ AppData folder instead of Program Files on Windows, or anywhere outside /Applications on macOS


Property Details

ID27343
StatusQA - Ready for Production Level Testing
TitleUninstall Personal or Non-Standard Firefox Installations
DomainBESC
SourceInternal
Source Release Date5/5/2024 12:00:00 AM
Keywords firefox, appdata, user, personal, uninstall, remove, clean, clear, wipe, browser
Added by on 5/6/2024 9:43:05 AM
Last Modified by on 5/6/2024 9:43:05 AM
Counters 307 Views / 2 Downloads
User Rating 1 star 2 star 3 star 4 star 5 star * Average over 0 ratings. ** Log In or Register to add your rating.

Relevance

Used in 1 fixlet   * Results in a true/false
Show indented relevance
if (windows of operating system) then (exists file "helper.exe" of folders "\AppData\Local\Mozilla Firefox\uninstall" of folders of folders "C:\Users\") else (exists regapp whose (name of it is "Firefox.app" and pathname of it is not "/Applications/Firefox.app"))

Actions

Action 1 (default)

Action Link Click here to deploy this action.
Script Type BigFix Action Script
parameter "mainSWDLogFolder" = "{parent folder of client folder of current site}/__Global/SWDDeployData"
folder create "{parameter "mainSWDLogFolder"}"
parameter "logFile" = "SWD_DeploymentResults.log"
parameter "logFolder" = "{parameter "mainSWDLogFolder"}"

if {windows of operating system}
waithidden cmd.exe /C echo %DATE% %TIME% >> "{parameter "logFolder"}\{parameter "logFile"}"
waithidden cmd.exe /C echo Action ID: {id of active action} >> "{parameter "logFolder"}\{parameter "logFile"}"

parameter "uninstallPaths" = "{"%27" & concatenation "%27,%27" of ((pathnames of it) of files "helper.exe" of folders "\AppData\Local\Mozilla Firefox\uninstall" of folders of folders "C:\Users\") & "%27"}"
delete __createfile
delete "__Download/draghound.ps1"
createfile until _EOF_
$uninstallPaths = @({parameter "uninstallPaths"})
foreach ($uninstallPath in $uninstallPaths){
$loopUsername = $($uninstallPath.split("\") | Select-Object -index 2)
$loopUser = New-Object System.Security.Principal.NTAccount($loopUsername)

#verify that helper.exe is actually a valid Firefox uninstaller
$sig = Get-AuthenticodeSignature $uninstallPath
$validity = $sig.Status
if ($validity -ne "Valid" -or $sig.SignerCertificate.Subject -notmatch "CN=Mozilla Corporation"){
Write-Output "helper.exe for $loopUsername certificate is improper" | Out-File "{parameter "logFolder"}\{parameter "logFile"}" -encoding utf8 -append
Write-Output "File description is $((Get-Item $uninstallPath).VersionInfo.FileDescription)" | Out-File "{parameter "logFolder"}\{parameter "logFile"}" -encoding utf8 -append
        Write-Output "$($sig.StatusMessage)" | Out-File "{parameter "logFolder"}\{parameter "logFile"}" -encoding utf8 -append
continue
}

#run uninstaller
Start-Process -Wait -FilePath $uninstallPath -ArgumentList "-ms"

#verify files have been removed
$expectedExecutable = "$([System.IO.Path]::GetFullPath("$uninstallpath\..\.."))\firefox.exe"
if ([System.IO.File]::Exists($expectedExecutable)){
Write-Output "File for $loopUsername not successfully deleted" | Out-File "{parameter "logFolder"}\{parameter "logFile"}" -encoding utf8 -append
continue
}

#remove registry entries
$sid = $loopUser.Translate([System.Security.Principal.SecurityIdentifier]).value

$unloadAfter=$false
if (Test-Path registry::HKU\$sid){
$targetHive = $sid
}
else {
reg load HKU\$loopUsername C:\Users\$loopUsername\ntuser.dat
$targetHive = $loopUsername
$unloadAfter=$true
}
$installations = @(Get-ChildItem -Path registry::HKU\$targetHive\Software\Microsoft\Windows\CurrentVersion\Uninstall | Where-Object {{$_.Name -match "Mozilla Firefox*"})
foreach ($installation in $installations){
if ($(Get-ItemPropertyValue registry::$installation "UninstallString").replace("`"","") -eq $uninstallPath){
Remove-Item registry::$installation -Recurse
}
}
if ($unloadAfter){
$installations.Handle.close()
[gc]::collect()
reg unload HKU\$loopUsername
}

#remove shortcuts from default Desktop location
$desktopFiles = Get-ChildItem "C:\Users\$loopUsername\Desktop"
foreach ($desktopFile in $desktopFiles){
$extension = [IO.Path]::GetExtension($desktopFile)
if ($extension -eq ".lnk" -and $desktopFile.Name -match "Firefox"){
$WScript = New-Object -ComObject WScript.Shell
$targetPath = $WScript.CreateShortcut($desktopFile.FullName).TargetPath
if ($targetPath -match "AppData") {
Remove-Item -Path $desktopFile.FullName
}
}
}
}
_EOF_
move __createfile "__Download/draghound.ps1"
waithidden powershell.exe -executionpolicy bypass -File "__Download/draghound.ps1"
parameter "error" = "{exit code of action}"
delete __createfile
delete __"Download/draghound.ps1"
waithidden cmd.exe /C echo Return Code: {parameter "error"} >> "{parameter "logFolder"}\{parameter "logFile"}"
waithidden cmd.exe /C echo. >> "{parameter "logFolder"}\{parameter "logFile"}"

else
wait sh -c "echo $(date +%Y_%m_%d' '%T) >> '{parameter "mainSWDLogFolder"}/{parameter "logFile"}'"
wait sh -c "echo Action ID: {id of active action} >> '{parameter "mainSWDLogFolder"}/{parameter "logFile"}'"

parameter "uninstallPaths" = "{concatenation " " of ((pathname of it) of regapps whose (name of it is "Firefox.app" and pathname of it is not "/Applications/Firefox.app"))}"
delete __createfile
delete "__Download/draghound.sh"
createfile until _end_
#/!bin/zsh
uninstallPaths=({parameter "uninstallPaths"})
for uninstallPath in $uninstallPaths; do
    rm -rf $uninstallPath;
done
_end_
copy "__createfile" "__Download/draghound.sh"
wait chmod +x "__Download/draghound.sh"
wait /bin/zsh "__Download/draghound.sh"
parameter "error" = "{exit code of action}"
delete __createfile
delete "__Download/draghound.sh"
wait sh -c "echo Return Code: {parameter "error"} >> '{parameter "mainSWDLogFolder"}/{parameter "logFile"}'"
wait sh -c "echo '' >> '{parameter "mainSWDLogFolder"}/{parameter "logFile"}'"

endif
exit {parameter "error"}
Success Criteria

This action will be considered successful when the applicability relevance evaluates to false.


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