invoke   RegCreateKey, [.hKey], [.lpszSubKey], [.HKEY]
   invoke   RegSetValueEx, [.HKEY], [.lpszName], 0, REG_SZ, szTemp, [._size]
   invoke   RegCloseKey, [.HKEY]
    

;************************************************************
format PE GUI 4.0
entry start
include '%include%\win32a.inc'
section '.data' data readable writeable
my_subkey       db 'SOFTWARE\Microsoft\Windows\CurrentVersion\Run',0
my_value_name   db 'MyProgram',0
my_value_data:
                db 'Myprogram.exe'
                db 0
my_value_size   db $-my_value_data
my_hkey    dw ?
section '.code' code readable executable
  start:
        invoke   RegOpenKeyEx,HKEY_LOCAL_MACHINE,my_subkey,my_hkey
        invoke   RegSetValueEx,my_hkey,my_value_name,0,REG_SZ,my_value_data,my_value_size
        invoke   RegCloseKey,my_hkey
exit:
        invoke ExitProcess,0
section '.idata' import data readable writeable
library kernel,'KERNEL32.DLL',\
        advapi,'ADVAPI32.DLL'
import  kernel,\
        ExitProcess,'ExitProcess'
import advapi,\
       RegOpenKeyEx,'RegOpenKeyExA',\
       RegSetValueEx,'RegSetValueExA',\
       RegCloseKey,'RegCloseKey'
;************************************************************