Also, the only one with access to my computer is the guy behind me, but he wouldn't do that. As for malware, I don't recall clicking any weird links
check log in history in mintpal account, you should see there the ip's that logged in into your account
maybe you can find out something from there
2014-05-05 22:04:08 xxxxxxxxxxxx SUCCESSFUL
2014-05-05 01:19:42 xxxxxxxxxxxx SUCCESSFUL
2014-05-03 16:39:07 xxxxxxxxxxxx SUCCESSFUL
2014-05-03 09:00:08 xxxxxxxxxxxx SUCCESSFUL
2014-05-03 08:57:56 xxxxxxxxxxxx SUCCESSFUL
2014-05-03 02:16:41 xxxxxxxxxxxx SUCCESSFUL
2014-03-25 14:24:11 183.171.160.51 FAILED
the xxxxx is my IP