console garbler virus

ShiftOS.WinForms/ShiftOS.WinForms.csproj

@@ -476,6 +476,7 @@
     </Compile>
     <Compile Include="VirtualEnvironments.cs" />
     <Compile Include="Viruses\BeeperVirus.cs" />
+    <Compile Include="Viruses\ConsoleGarble.cs" />
     <Compile Include="Viruses\CPLeach.cs" />
     <Compile Include="Viruses\WindowsEverywhere.cs" />
     <Compile Include="VirusTestCommands.cs" />

ShiftOS.WinForms/Viruses/ConsoleGarble.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ShiftOS.Engine;
+using System.Windows.Forms;
+
+namespace ShiftOS.WinForms.Viruses
+{
+    [Virus("console_garble", "Console Garbler", "Sends random characters to stdout which can muck up your Terminal. The threatlevel determines the rate at which characters are sent.")]
+    public class ConsoleGarble : IVirus
+    {
+        Timer timer = null;
+        Random rnd = null;
+        
+        public void Disinfect()
+        {
+            timer.Stop();
+            timer = null;
+            rnd = null;
+        }
+
+        public void Infect(int threatlevel)
+        {
+            rnd = new Random();
+            timer = new Timer();
+            timer.Interval = 6000 / threatlevel;
+            timer.Tick += (o, a) =>
+            {
+                var oldFG = ConsoleEx.ForegroundColor;
+                var oldBG = ConsoleEx.BackgroundColor;
+                var character = (char)rnd.Next(255);
+                while (!char.IsLetterOrDigit(character))
+                    character = (char)rnd.Next(255);
+                var ccolormax = Enum.GetValues(typeof(ConsoleColor)).Cast<int>().Max();
+
+                ConsoleEx.BackgroundColor = (ConsoleColor)rnd.Next(ccolormax);
+                ConsoleEx.ForegroundColor = (ConsoleColor)rnd.Next(ccolormax);
+
+                Console.Write(character);
+                ConsoleEx.OnFlush?.Invoke();
+
+                ConsoleEx.BackgroundColor = oldBG;
+                ConsoleEx.ForegroundColor = oldFG;
+            };
+            timer.Start();
+        }
+    }
+}

ShiftOS_TheReturn/VirusManager.cs

@@ -50,6 +50,11 @@ namespace ShiftOS.Engine
                 {
                     infection.ThreatLevel = threatlevel;
                 }
+                else
+                {
+                    return;
+                    //no need to reinfect with a lower threatlevel
+                }
             }
             else
             {