RtlRandomEx

UINT64 __stdcall RtlRandomEx(UINT64 *Seed){
  UINT64 result; 
  result = ExGenRandom(1i64);
  LODWORD(result) = result & 0x7FFFFFFF;
  *(_DWORD *)Seed = result;
  return result;
}

Referenced by:

EtwpGetPrivateSessionTraceHandle
MiInitializePartition
MmCreateProcessAddressSpace
PopPublishAndPurgePowerRequestStats
VfRandomGetNumber