You Have A Variant of the CoolWebSearch Trojan.
Please Download CWShredder from HERE and run the Program in safe mode . Press the "Fix Button" Let it fix all variants. Next, Close the program and all windows and IE windows and run hijackthis and Post a Fresh log.
Reboot to SAFE mode to run swshredder
How to start computer in safe mode
Then these 2 programs .
Ad-Aware and Spybot
Download the latest version of Ad-Aware at ADAWARE
Setup Ad-Aware .
After installing AAW, and before running the program, update reference files by using the bottom right button in the program, labeled "Check for Updates."
Launch the program, and click on the Gear at the top of the start screen.
Click the "Scanning" button.
Under Drives & Folders, select "Scan within Archives".
Click "Click here to select Drives + folders" and select your installed hard drives.
Under Memory & Registry, select all options.
Click the "Advanced" button.
Under "Log-file detail", select all options.
Click the "Tweaks" button.
Under "Scanning Engine", select the following:
"Include additional Ad-aware settings in logfile" and
"Unload recognized processes during scanning."
Under "Cleaning Engine", select the following:
"Let Windows remove files in use after reboot."
Click on 'Proceed' to save these Preferences.
Please make sure that you activate IN-DEPTH scanning before you proceed
Download SPYBOT
After installing Spybot S&D, update it by using the "Update" button on the left panel of the program. Search for updates and download anything it finds
How to setup Ad-Aware and Spy-Bot S&D\ link not working
http://www.zerosrealm.com/scanning.php
And after that, please do the following:
reboot computer and post a new log