There are some ways to Inject another process: 1.Change Register.When a Process started, Windows will load all DLL file Recorded in HKLM\Software\Microsoft\WindowsNT\CurrentVersion\Windows\AppInit_Dlls. 2.Create Remote Thread. 3.Use reliable process inject. 4.APC inject. 5.Message Hook. 6.Import Table Inject. 7.LSP Inject.