simple-dnscrypt: Update uninstaller script logic

Author: SorYoshino

bucket/simple-dnscrypt.json

@@ -44,11 +44,17 @@
         "script": [
             "$path_regex = [regex]::Escape((Split-Path -Path $dir -Parent))",
             "Stop-Process -Name 'SimpleDnsCrypt' -Force -ErrorAction SilentlyContinue",
-            "$service = Get-Service -Include '*dnscrypt-proxy*' -ErrorAction SilentlyContinue",
+            "if ($PSVersionTable.PSVersion -lt [version]::new(6, 0)) {",
+            "    $name_filter = 'Name like ''%dnscrypt-proxy%'''",
+            "    $service = Get-CimInstance -ClassName Win32_Service -Filter $name_filter -ErrorAction SilentlyContinue |",
+            "            Select-Object -Property *, @{ Name = 'BinaryPathName'; Expression = { $_.PathName } }",
+            "} else {",
+            "    $service = Get-Service -Name '*dnscrypt-proxy*' -ErrorAction SilentlyContinue",
+            "}",
             "if ($null -eq $service -or $service.BinaryPathName -notmatch $path_regex) { return }",
             "if (-not (is_admin)) { abort \"`n[ERROR]  $app requires admin rights to $cmd.\" }",
             "Stop-Service -Name $service.Name -Force -ErrorAction SilentlyContinue",
-            "Stop-Process -Name $service.Name -Force -ErrorAction SilentlyContinue",
+            "Stop-Process -Name 'dnscrypt-proxy' -Force -ErrorAction SilentlyContinue",
             "Start-Sleep -Milliseconds 1500",
             "if ($cmd -ne 'uninstall') { return }",
             "if ($PSVersionTable.PSVersion -lt [version]::new(6, 0)) {",