Hello, and sorry for so late answer.
I've just looked at your logs and, to tell the truth, i've seen nothing definitely harmful in it. According your description the problem could have hardware origins, not software. So I suggest you to find a good service center and ask them to check your hardware (HDD, memory, and so on).
If you think that the problem is in your software, then, please, execute the script:
This script attempts to quarantine some suspicious files. It tries also to delete one service that, as far as i know, could be a trace of previous infections or your attempts to cure your pc with utilities like combo-fix, for example.
After restart, upload quarantine via the link http://virusinfo.info/upload_virus_eng.php?tid=49118 and make new logs.