I too got the same message in both my mobiles.Whoever is behind this is upto no good and we all must be carefull not to be fooled by malicious sms like these from anonymous numbers.
Winner mobile no:9491916804 is win 3000 cash prize call+2392879082 now calltype: sms
Caller:tm-time
This sms I receaved today who is this how can I get cash prize