You could indeed take java off of your machine but perhaps in the furture you may need it.
Most of the time when a machine becomes infected with java related issues it is due to it being out of date.
Update and do a quick scan with Malwarebytes remove all that it finds and reboot.
Post the log here,
Update do a quick scan with Superantispyware remove all this finds reboot.
post the log here.
Run a scan with Eset.
Make sure remove found threats and scan archives is checked.
When the scan finish list found threats save to clipboard copy to notepad Post the log here.
Please download MINITOOLBOX and run it.
Checkmark following boxes:
Report IE Proxy Settings
Report FF Proxy Settings
Reset Ie proxy Settins
Reset FF proxy settings
List content of Hosts
List IP configuration
List Winsock Entries
List last 10 Event Viewer log
List Installed Programs
List Users, Partitions and Memory size
List Devices (problems only)
Click Go and post the result.