rootkit csrss, svchost spyware virus hidden hardisk even reformat

My computer: Dell Inspiron 15inch Windows 8 64bit 500gb hardisk

I have this virus that will established connection to remote hacker and download virus etc. Currently Im using Sterjo Netstalker to block suspicous connection and its many. I believe its a rootkit virus that hide inside hard disk if not anything else. I have only 1 harddisk attach and I even flash bios and format hardisk. I use to format using DBAN nuke despite not finish (it takes 20 hour) though have gone 1 round and 2 pass but the virus is back after fresh Windows 8 install.

Its annoying as it slow down internet and keep use up my hard disk and its getting hot. I wish to remove this virus or had to buy new PC. I attach GMER scan here

Too bad though I take prevention step by using AVG and disabled my laptop wireless device and using external usb wireless instead. In the attachment you cant see the real original virus before like its infected svchost and create "auxiliaryseed..." inside the value something like that. But now maybe just ignore the AVG and see around if you can find anything in the attachment. Help much appreciated.

Thank you

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