PoC for hiding things in the registry. My testing hasn't returned any errors when viewing in regedit

ironregistry.py

from Microsoft.Win32 import Registry
from time import sleep	
rkey = Registry.CurrentUser.CreateSubKey("SOFTWARE\\aatest")
rkey.SetValue(u'\x00 this is a test',u'\x00look at me!')
rkey.Close()
rkey = Registry.CurrentUser.CreateSubKey("SOFTWARE\\aatest")
values = rkey.GetValueNames()
print("We have {0} values.".format(str(len(values))))
print("The value names returned are: {0}.".format(values[0]))
value = rkey.GetValue(u'\x00 this is a test')
rkey.Close()
print(value)
sleep(10)