HELP , Z1010 Dead

[timxpro2]

Please help me , I have an SE Z1010 and I think that it is a virus...please tell me a solution. I have installed some Java application and then the phone goes off,I turn on the phone , it say searching and when it found the operator he reebot,and for every time that he found the operator he is gooing down (reboting).I try to switch the operators but the same problem,and when I take out the sim it works,but with sim is just reboting himself.Please help me with a solution...becouse I've search the net for weeks in hope to find a secret master reset code becouse I don't have an aditional cable data onli the mini USB cable ....Tell me please an solution or if it is an master reset code to be able to format the phone memory becouse I can't get into menu....manny thx...for your effort...