Backflip likes to make calls by itself

[hag123]

I have noticed whenever my Motorola Backflip is turned on and I plug it into the wall charger, it seems to wait until I walk away then begins calling random numbers on it's recent call list. This gets annoying when it is 911 that it calls or people I just don't want to bother at 3AM or something. Also, when I push the button to lock the screen it sometimes decides to turn on again then sometimes apps start and I try to cancel but it ignores me or turns off screen so I can't even access it. today I just removed the battery to put an end to it. Do I have to replace the phone and sledge hammer this thing?