Yep, you're sorta infected.
Let's start by uninstalling the following using Add/Remove Programs:
Accoona
Spyware Nuker
Then, download Ewido Security Suite . Install ewido security suite
When installing, under "Additional Options" uncheck.. Install background guard
Install scan via context menu
Launch ewido, there should be an icon on your desktop, double-click it.
The program will now open to the main screen.
When you run ewido for the first time, you will get a warning "Database could not be found!". Click OK. We will fix this in a moment.
You will need to update ewido to the latest definition files. On the left hand side of the main screen click Update.
Then click on Start Update.
The update will start and a progress bar will show the updates being installed. The status bar at the bottom will display "Update successful"
-=-=-=-=-=-=-==-==-=-= End here to download but not scan -=-=-=-=-=-=-==-==-=-=
Click on Scanner
Click on Complete System Scan and the scan will begin.
You will be prompted to clean the first infection.
Select "Perform action on all infections", then proceed.
Once the scan has completed, there will be a button located on the bottom of the screen named Save report
Click Save report.
Save the report .txt file to your desktop or a location where you can find it easily.
After this, download CCleaner .
Then, follow these steps:
1. Close all programs so that you are at your desktop.
2. Double-click on the "My Computer" icon.
3. Select the "Tools" menu and click "Folder Options".
4. After the new window appears select the "View" tab.
5. Place a checkmark in the checkbox labeled "Display the contents of system folders".
6. Under the "Hidden files and folders" section select the radio button labeled "Show hidden files and folders".
7. Remove the checkmark from the checkbox labeled "Hide file extensions for known file types".
8. Remove the checkmark from the checkbox labeled "Hide protected operating system files". 9. Press the "Apply" button and then the "OK" button and shutdown My Computer.
10. Now your computer is configured to show all hidden files.
Now, install the program. Open it, and choose the 'Options' tab. Inside, hit the 'Custom' tab, and add the following folders (Note: Not all of these files are on every computer. If one of these isn't present, skip it):
C:\Windows\Temp
C:\Temp
C:\Documents and Settings\\Local Settings\Temp
C:\Documents and Settings\\Local Settings\Temporary Internet Files\Content.IE5
C:\Documents and Settings\\History
C:\Documents and Settings\\Cookies
C:\Windows\Prefetch
After doing this, move back to the 'Cleaner' tab, and inside this, be sure your open to the 'Windows' tab. Inside, check the box labeled 'Custom Files and Folders'.
Next, after following all of these steps, you're ready to scan. Run scans in both the 'Cleaner' and 'Issues'. Note: It might take several scans in each to remove all of the junk.
After this, check the following in HJT:
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://searchbar.findthewebsiteyouneed.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://searchbar.findthewebsiteyouneed.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://searchbar.findthewebsiteyouneed.com
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.accoona.com/search?q=%s
O2 - BHO: Internet Explorer Web Content Catcher - {FFF4E223-7019-4ce7-BE03-D7D3C8CCE884} - C:\Program Files\DNS\Catcher.dll (file missing)
O4 - HKLM\..\Run: [csr] csrrs.exe
O4 - HKLM\..\Run: [keyboard] C:\windows\keyboard13.exe
O4 - HKLM\..\Run: [newname] C:\windows\newname13.exe
O4 - HKLM\..\Run: [mousepad] C:\windows\mousepad13.exe
O4 - HKLM\..\Run: [SWN2] C:\Program Files\Spyware Nuker\swnxt.exe /h
O4 - HKLM\..\RunServices: [csr] csrrs.exe
O4 - Global Startup: svchost.exe
O8 - Extra context menu item: &WordWeb... - res://C:\WINDOWS\wweb32.dll/lookup.html
Then, reboot into safe mode and delete the following:
C:\Program Files\DNS
C:\windows\keyboard13.exe
C:\windows\newname13.exe
C:\windows\mousepad13.exe
C:\Program Files\Spyware Nuker
After this, restart your computer and post the Ewido log, and a new HJT log.
Thanks.