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ResiduesCheck.ps1
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ResiduesCheck.ps1
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<#
.SYNOPSIS
This script searches for residual files, folders, registry keys, services, scheduled tasks and firewall rules left over from uninstalled programs.
The search is based on keywords provided by the user.
This script does not delete anything.
.DESCRIPTION
Green values under a Blue path can be manually deleted.
Green paths can be manually deleted. The optional White values under specify which string triggered the match.
.PARAMETER FilePath
Path to the JSON file containing the paths to analyze.
Default value: .\paths.json
.PARAMETER Words
Keywords used to filter results, case insensitive.
.PARAMETER Check
Option to specify which search to perform.
Possible values: All, Explorer, Regedit, Services, ScheduledTasks, FirewallRules
Default value: All
.PARAMETER ExcludeLongChecks
Option to exclude long checks.
Default value: False
.EXAMPLE
Performs all searches.
.\ResiduesCheck.ps1 -Words anydesk,teamviewer
.EXAMPLE
Perform Services and Regedit searches.
.\ResiduesCheck.ps1 -Words openvpn -Check Services,Regedit
.EXAMPLE
Perform all searches excluding the long ones, with maximum verbosity.
.\ResiduesCheck.ps1 -Words teamviewer -Check All -ExcludeLongChecks -v -d
#>
############################# Parameters #############################
Param(
[Parameter(Position = 0, Mandatory = $true)]
[String[]] $Words,
[Parameter(Position = 1, Mandatory = $false)]
[String] $FilePath = ".\paths.json",
[Parameter(Position = 2, Mandatory = $false)]
[ValidateSet("All", "Regedit", "Explorer", "Services", "ScheduledTasks", "FirewallRules")]
[String[]] $Check = @("All"),
[Parameter(Position = 5, Mandatory = $false)]
[Switch] $ExcludeLongChecks = $false
)
############################# Global Functions #############################
function PrintHeader($header){
$length = $header.Length
$fullLine = $(foreach($i in (1..($length*3+2))){"#"}) -Join ""
$blankLine = $("#" + $($(foreach($i in (1..($length*3))){" "}) -Join "") + "#")
$halfBlankLine = $(foreach($i in (1..$length)){" "}) -Join ""
$headerLine = $("#" + $halfBlankLine + $header + $halfBlankLine + "#")
Write-Host $fullLine -ForegroundColor DarkRed
Write-Host $blankLine -ForegroundColor DarkRed
Write-Host $headerLine -ForegroundColor DarkRed
Write-Host $blankLine -ForegroundColor DarkRed
Write-Host $fullLine -ForegroundColor DarkRed
Write-Host "`n" -NoNewline
}
############################# Explorer #############################
function GetExplorerPaths($explorer_paths, $_words, $_ExcludeLongChecks, $debugSwitch){
$explorerPathsToPrint = @()
function Local:GetFullPath($obj){
return [environment]::ExpandEnvironmentVariables("%" + $obj[0] + "%" + $obj[1])
}
function Local:PrintPath($_path){
Write-Host $_path.Key -ForegroundColor $_path.KeyColor
foreach($value in $_path.Value){
Write-Host $value -ForegroundColor $_path.ValueColor
}
Write-Host "`n" -NoNewline
}
if($explorer_paths){
Write-Verbose "Checking Explorer paths `n`n"
foreach($p in $explorer_paths){
if($p.GetType().Name -eq "Object[]"){
$p = GetFullPath($p)
}
if(Test-Path $p){
Write-Debug $("Checking " + $p)
$res = $(ls $p -Force -Recurse:(!$_ExcludeLongChecks) -ErrorAction SilentlyContinue).FullName | Select-String -Pattern $_words
if($res){
$explorerPathsToPrint += [pscustomobject]@{Key = $p; Value = @(); KeyColor="Blue"; ValueColor="Green"}
foreach($r in $res){
$explorerPathsToPrint[-1].Value += $r
}
}
}
else{
Write-Host $("Path {0} does not exist" -f $p) -BackgroundColor DarkRed
}
}
if($debugSwitch){
Write-Host "`n" -NoNewline
}
}
else{
Write-Verbose "Explorer paths missing `n`n"
}
if($explorerPathsToPrint){
PrintHeader "Explorer paths"
foreach($eptp in $explorerPathsToPrint){
PrintPath $eptp
}
}
}
############################# Regedit #############################
function GetRegeditPaths($regedit_folders_paths, $regedit_values_paths, $regedit_loops_paths, $_words, $_ExcludeLongChecks, $debugSwitch){
$firstPrint = $true
function Local:Print($_regeditPathsToPrint, [ref]$_firstPrint){
if($_regeditPathsToPrint){
if($_firstPrint.Value){
PrintHeader "Regedit paths"
$_firstPrint.Value = $false
}
foreach($rptp in $_regeditPathsToPrint){
Write-Host $rptp.Key -ForegroundColor $rptp.KeyColor
foreach($value in $rptp.Value){
Write-Host $value -ForegroundColor $rptp.ValueColor
}
Write-Host "`n" -NoNewline
}
}
}
if($regedit_folders_paths){
Write-Verbose "Checking Regedit folders paths `n`n"
$regeditPathsToPrint = @()
foreach($folder_path in $regedit_folders_paths){
if($folder_path.GetType().Name -eq "Object[]"){
$sid = $(Get-LocalUser -Name $env:USERNAME).Sid.Value
$folder_path = $folder_path[0] + $sid + $folder_path[2]
}
if(Test-Path Registry::$folder_path){
Write-Debug $("Checking " + $folder_path)
$res = reg query $folder_path | Select-String -Pattern $_words
if($res){
$regeditPathsToPrint += [pscustomobject]@{Key = ""; Value = @(); KeyColor="Green"}
foreach($r in $res){
$regeditPathsToPrint[-1].Key += $([string]$r) + "`n"
}
$regeditPathsToPrint[-1].Key = $regeditPathsToPrint[-1].Key.Trim()
}
}
else{
Write-Host $("Path {0} does not exist" -f $folder_path) -BackgroundColor DarkRed
}
}
if($debugSwitch){
Write-Host "`n" -NoNewline
}
Print $regeditPathsToPrint ([ref]$firstPrint)
}
else{
Write-Verbose "Regedit folders paths missing `n`n"
}
if($regedit_values_paths){
Write-Verbose "Checking Regedit values paths `n`n"
$regeditPathsToPrint = @()
foreach($value_path in $regedit_values_paths){
if($value_path.GetType().Name -eq "Object[]"){
$sid = $(Get-LocalUser -Name $env:USERNAME).Sid.Value
$value_path = $value_path[0] + $sid + $value_path[2]
}
if(Test-Path Registry::$value_path){
Write-Debug $("Checking " + $value_path)
$res = $(reg query $value_path)[2..$value_path.Length] | Select-String -Pattern $_words
if($res){
$regeditPathsToPrint += [pscustomobject]@{Key = $value_path; Value = @(); KeyColor="Blue"; ValueColor="Green"}
foreach($r in $res){
foreach($match in $r){
$value = $($([string]$match).Trim() -Split " ")[0]
$regeditPathsToPrint[-1].Value += $value
}
}
}
}
else{
Write-Host $("Path {0} does not exist" -f $value_path) -BackgroundColor DarkRed
}
}
if($debugSwitch){
Write-Host "`n" -NoNewline
}
Print $regeditPathsToPrint ([ref]$firstPrint)
}
else{
Write-Verbose "Regedit values paths missing `n`n"
}
if(!$_ExcludeLongChecks -and $regedit_loops_paths){
Write-Verbose "Checking Regedit loops paths `n`n"
$regeditPathsToPrint = @()
foreach($loop_path in $regedit_loops_paths){
if($loop_path.GetType().Name -eq "Object[]"){
$sid = $(Get-LocalUser -Name $env:USERNAME).Sid.Value
$loop_path = $loop_path[0] + $sid + $loop_path[2]
}
if(Test-Path Registry::$loop_path){
$res = $(reg query $loop_path).Where({ $_ -ne "" -and $_.substring(0, 4) -ne " " })
foreach($r in $res){
Write-Debug $("Checking " + $r)
$res2 = reg query $r | Select-String -Pattern $_words
if($res2){
$regeditPathsToPrint += [pscustomobject]@{Key = $r; Value = @(); KeyColor="Green"; ValueColor="White"}
foreach($r2 in $res2){
$regeditPathsToPrint[-1].Value += $([string]$r2).Trim() -Split " " | Select-String -Pattern $_words
}
}
}
}
else{
Write-Host $("Path {0} does not exist" -f $loop_path) -BackgroundColor DarkRed
}
if($debugSwitch){
Write-Host "`n" -NoNewline
}
}
Print $regeditPathsToPrint ([ref]$firstPrint)
}
elseif(!$regedit_loops_paths){
Write-Verbose "Regedit loops paths missing `n`n"
}
}
############################# Services #############################
function GetServices($_words){
Write-Verbose "Checking Services `n`n"
$filter = foreach($w in $_words) {"*$w*"}
$services = @()
$services += (Get-Service -Name $filter) 2>$null
$services += (Get-Service -DisplayName $filter) 2>$null
$services = $services | select -Unique -Property Name, DisplayName, Status
if($services){
PrintHeader "Services"
Write-Host $($services | Format-List | Out-String).Trim() -NoNewline 2>$null
Write-Host "`n"
Write-Host "You can stop and delete any service using the following commands with admin privileges:"
Write-Host "Stop-Service -Name " -ForegroundColor Blue -NoNewline
Write-Host "<ServiceName>" -ForegroundColor DarkYellow
Write-Host "sc.exe delete " -ForegroundColor Blue -NoNewline
Write-Host "<ServiceName>" -ForegroundColor DarkYellow
Write-Host "`n" -NoNewline
}
}
############################# Scheduled Tasks #############################
function GetScheduledTasks($_words){
Write-Verbose "Checking Scheduled Tasks `n`n"
$filter = $_words -Join "|"
$tasks = Get-ScheduledTask | where {
$_.URI -match $filter -or `
$_.Author -match $filter -or `
$_.Description -match $filter -or `
$_.Actions.Execute -match $filter
} | select TaskName,TaskPath,Author,Description,@{N='Actions';E={foreach($action in $_.Actions) { $action.Execute + " " + $action.Arguments }}}
if($tasks){
PrintHeader "Scheduled Tasks"
Write-Host $($tasks | Format-List | Out-String).Trim() -NoNewline
Write-Host "`n"
Write-Host "You can delete any scheduled task using the following command:"
Write-Host "Unregister-ScheduledTask -TaskName " -ForegroundColor Blue -NoNewline
Write-Host "<TaskName>" -ForegroundColor DarkYellow
Write-Host "`n" -NoNewline
}
}
############################# Firewall Rules #############################
function GetFirewallRules($_words){
$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
$isAdmin = $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
if($isAdmin){
Write-Verbose "Checking Firewall Rules `n`n"
$filter = $_words -Join "|"
$rules = Get-NetFirewallRule | where {
$_.Name -match $filter -or `
$_.ID -match $filter -or `
$_.DisplayName -match $filter -or `
$_.Group -match $filter -or `
$_.Description -match $filter -or `
$_.ElementName -match $filter -or `
$_.InstanceID -match $filter -or `
$_.CreationClassName -match $filter -or `
$_.DisplayGroup -match $filter -or `
$_.RuleGroup -match $filter
} | select Name,ID,DisplayName,Group,Description,ElementName,InstanceID,CreationClassName,DisplayGroup,RuleGroup,Enabled,Direction,Action
if($rules){
PrintHeader "Firewall Rules"
Write-Host $($rules | Format-List | Out-String).Trim() -NoNewline
Write-Host "`n"
Write-Host "You can delete any firewall rule using the following command with admin privileges:"
Write-Host "Remove-NetFirewallRule -DisplayName " -ForegroundColor Blue -NoNewline
Write-Host "<RuleDisplayName>" -ForegroundColor DarkYellow
Write-Host "`n" -NoNewline
}
}
else{
Write-Host "You need admin privileges to check firewall rules" -BackgroundColor DarkRed
}
}
############################# Main #############################
if ($PSBoundParameters["Debug"]) {
$DebugPreference = "Continue"
}
$fileFullPath = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($FilePath)
$paths = Get-Content $FilePath -Raw 2>$null | ConvertFrom-Json
$regex = $Check -Join "|"
if("AllExplorer" -match $regex){
if($paths){
$exp_paths = if ($ExcludeLongChecks) { $paths.explorer_specific } else { $paths.explorer_recursive }
GetExplorerPaths $exp_paths $Words $ExcludeLongChecks $PSBoundParameters["Debug"]
}
else{
Write-Host $("Can't run Explorer check: {0} not found" -f $fileFullPath) -BackgroundColor DarkRed
Write-Host "`n" -NoNewline
}
}
if("AllRegedit" -match $regex){
if($paths){
GetRegeditPaths $paths.regedit_folders $paths.regedit_values $paths.regedit_loops $Words $ExcludeLongChecks $PSBoundParameters["Debug"]
}
else{
Write-Host $("Can't run Regedit check: {0} not found" -f $fileFullPath) -BackgroundColor DarkRed
Write-Host "`n" -NoNewline
}
}
if("AllServices" -match $regex){
GetServices $Words
}
if("AllScheduledTasks" -match $regex){
GetScheduledTasks $Words
}
if("AllFirewallRules" -match $regex){
GetFirewallRules $Words
}