Attempt to kill the right w3wp processes

killcorrectw3wp.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;

namespace GetParentProcess
{
    class Program
    {
        static void Main(string[] args)
        {
            string process1Name = "cmd";
            string process2Name = "w3wp";

            var cmdProcesses = Process.GetProcessesByName(process1Name);

            if (cmdProcesses.Length > 0)
            {
                foreach (var cmdProcess in cmdProcesses)
                {
                    int cmdId = cmdProcess.Id;
                    Console.WriteLine("Found cmd.exe: " + cmdId);

                    int unknownId = Process.GetProcessById(cmdId).Parent().Id;

                    if (Process.GetProcessById(cmdId).Parent().ProcessName == process2Name)
                    {
                        int scmProcessId = unknownId;
                        Console.WriteLine("Found w3wp.exe id: " + scmProcessId);

                        var w3wpProcesses = Process.GetProcessesByName(process2Name);

                        if (w3wpProcesses.Length > 0)
                        {
                            foreach (var w3wpProcess in w3wpProcesses)
                            {
                                Console.WriteLine("Found w3wp.exe id: " + w3wpProcess.Id);

                                if (w3wpProcess.Id != scmProcessId)
                                {
                                    Console.WriteLine("Killing w3wp.exe id: " + w3wpProcess.Id);

                                    w3wpProcess.Kill();
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    public static class ProcessExtensions
    {
        private static string FindIndexedProcessName(int pid)
        {
            var processName = Process.GetProcessById(pid).ProcessName;
            var processesByName = Process.GetProcessesByName(processName);
            string processIndexdName = null;

            for (var index = 0; index < processesByName.Length; index++)
            {
                processIndexdName = index == 0 ? processName : processName + "#" + index;
                var processId = new PerformanceCounter("Process", "ID Process", processIndexdName);
                if ((int)processId.NextValue() == pid)
                {
                    return processIndexdName;
                }
            }

            return processIndexdName;
        }

        private static Process FindPidFromIndexedProcessName(string indexedProcessName)
        {
            var parentId = new PerformanceCounter("Process", "Creating Process ID", indexedProcessName);
            return Process.GetProcessById((int)parentId.NextValue());
        }

        public static Process Parent(this Process process)
        {
            return FindPidFromIndexedProcessName(FindIndexedProcessName(process.Id));
        }
    }
}