Your host file is infected with redirects. You may try fixing these but sometimes the infection doesn't allow you access to the hosts file. So do another hijackthis this scan and place a check next to these items.
O1 - Hosts: 78.159.125.44
www.google.com.mx
O1 - Hosts: 78.159.125.44
www.google.com
O1 - Hosts: 78.159.125.44
www.google.co.jp
O1 - Hosts: 78.159.125.44
www.google.com.au
O1 - Hosts: 78.159.125.44
www.google.it
O1 - Hosts: 78.159.125.44
www.google.pt
O1 - Hosts: 78.159.125.44
www.google.at
O1 - Hosts: 78.159.125.44
www.google.fr
O1 - Hosts: 78.159.125.44
www.google.fi
O1 - Hosts: 78.159.125.44
www.google.ch
O1 - Hosts: 78.159.125.44
www.google.dk
O1 - Hosts: 78.159.125.44 us.search.yahoo.com
O1 - Hosts: 78.159.125.44
www.google.ie
O1 - Hosts: 78.159.125.44 search.yahoo.com
O1 - Hosts: 78.159.125.44
www.google.nl
O1 - Hosts: 78.159.125.44
www.google.es
O1 - Hosts: 78.159.125.44
www.google.com.br
O1 - Hosts: 78.159.125.44
www.google.gr
O1 - Hosts: 78.159.125.44 uk.search.yahoo.com
O1 - Hosts: 78.159.125.44
www.google.de
O1 - Hosts: 78.159.125.44
www.google.co.uk
O1 - Hosts: 78.159.125.44
www.google.no
O1 - Hosts: 78.159.125.44
www.google.be
O1 - Hosts: 78.159.125.44
www.google.ca
O1 - Hosts: 78.159.125.44
www.google.co.za
O1 - Hosts: 78.159.125.44
www.google.se
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\Program Files\Common Files\Nero\Lib\NeroCheck.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [AdobeCS4ServiceManager] "C:\Program Files\Common Files\Adobe\CS4ServiceManager\CS4ServiceManager.exe" -launchedbylogin
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - Global Startup: Adobe Gamma Loader.exe.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Sonic CinePlayer Quick Launch.lnk = C:\Program Files\Common Files\Sonic Shared\CineTray.exe
Now click on fixed checked at the bottom. If you aren't allowed access to the hosts file then we have a hidden infection and we'll use a different program to see whats on your system. AFter doing those fixes, please reboot your system and post a fresh hijackthis log.
And as far malwarebytes not finding anything, I wanted you to post the log so i know that you are running the latest database version. There might not be no infections in the log but there is a log with pertinent data. So please post the log so i can look what database version you have. Most poeple make the mistake of not updating their programs before running. Also did you run a quick scan or a full scan? The latest database as of 12-21-09 is 3402.