Download:
CCleaner (freeware)
http://www.majorgeeks.com/download4191.html
Once installed, run
CCleaner click the Windows [tab]
Select the following:

Next: click
Options click the
Advancedtab.
Uncheck: "Only delete files older than 48 hrs.", click Ok
Then click
Run Cleaner (bottom right) then
Exit
Download, install and update Ewido.
http://download.ewido.net/ewido-setup.exe
Boot to safemode and run a full scan.
Boot back to normal mode and post a new log.
Did you install the thing Don't Hack posted?