Welcome to Geeks To Go
You are infected... But your bigger problem right now is:
If your computer is truly at 100c then you have a severe overheating issue...
My advise is to shut down the computer...
As you stated the fans don't appear to be working... They are there for a reason you need to get all fans working properly and also keep the tower and components clean of dust... If you can replace these components your self then I would do that, but if you can please take it to a computer repair shop to have the work completed.
Once you have done this and your temps are back where they belong 23c-50c then I would proceed with the disinfection process below...
Right now you run the risk of melting the solder on your Motherboard and shorting out everything... this will not be good...
please click herePlease follow the instructions of that guide...
That will help you solve about 70% of most of the problems you are having...
Once you have completed this then
click hereClick on
NEW TOPIC and post your problem and the requested logs in that forum...
Once you have been cleared by our malware specialists, if you continuer to have problems then you can return to this thread where we can continue to assist you...
Good luck
Cbarnard