Q: iPad Rebooting

Currently there's no known virus affecting iPad as long as you don't Jailbreak your iPad.

http://support.apple.com/kb/HT3743

(A) Try reset iPad

Hold down the Sleep/Wake button and the Home button at the same time for at least ten seconds, until the Apple logo appears

Note: Data will not be affected.

(B) Try reset all settings

Settings>General>Reset>Reset All Settings

Note: Data will not be affected but settings for Wi-Fi, FaceTime, Message, Home Sharing will be reset