here is how I fix my pc infected with java/cve-2012-5076.gaa
uninstall java, at folder options view tab, select show hiden files and folders.
search for the folder name "sun" and deleted the folder. each user will have folder name \application Data\sun so you may have more then one
folder name \sun
run MSE. virus gone. If MSE alert , check the the location where the virus found and deleted the folder. then run MSE again.