Thanks, Hal! Posted it there. One user also said that a malware file was detected, also in Java caches but in a different folder, and just one. Looks like there are problems with Java 6.0...
Alex 3.1 GHz 13" MacBook Pro 2015, 8 GB RAM, OS 10.11.2, Office 2011, TimeWarner Cable 2.8 GHz Xeon Mac Pro 2010, 16 GB RAM, OS 10.11.2, Office 2011, LAN
