این کد دستور پاک کردن را به یک فایل Batch می دهد و خود را به هر زوری می بندد.به محض بسته شدن فایل Batch این فایل را پاک می کند:

procedure DeleteMe;
var
  BatchFile:TextFile;
  BatchFileName:String;
  ProcessInfo:TProcessInformation;
  StartUpInfo:TStartupInfo;
begin
  BatchFileName:=ExtractFilePath(application.exename)+"$$336699.bat";

  AssignFile(BatchFile, BatchFileName);
  Rewrite(BatchFile);

  Writeln(BatchFile, ":try");
  Writeln(BatchFile, "del "" + application.exename + """);
  Writeln(BatchFile, "if exist "" + application.exename + """ + " goto try");
  Writeln(BatchFile, "del "" + BatchFileName + """);
  CloseFile(BatchFile); 
  FillChar(StartUpInfo, SizeOf(StartUpInfo), $00);
  StartUpInfo.dwFlags := STARTF_USESHOWWINDOW;
  StartUpInfo.wShowWindow := SW_HIDE;

  if CreateProcess(nil, PChar(BatchFileName), nil, nil,
     False, IDLE_PRIORITY_CLASS, nil, nil, StartUpInfo,
     ProcessInfo) then
  begin
    CloseHandle(ProcessInfo.hThread);
    CloseHandle(ProcessInfo.hProcess);
  end;
end;