Go to start> control panel> add/remove programs and remove this program if found:Crawler Toolbar
Please download ATF-Cleaner to your desktop from this link
http://www.atribune.org/content/view/19/2/ We will need it later in safe mode
Download and install AVG Anti-Spyware We will need this later in safe mode
Be sure to update AVG Anti- Spyware
Set up the computer to view hidden files by going to start>control panel>folder options>view tab>tick the circle beside "show hidden files and folders" and untick the box beside "hide extensions of known file types" and "hide protected system operating files">apply>ok.
Next, please reboot your computer in Safe Mode by doing the following :
Restart your computer
After hearing your computer beep once during startup, but before the Windows icon appears, tap the F8 key continually;
Instead of Windows loading as normal, a menu with options should appear;
Select the first option, to run Windows in Safe Mode, then press "Enter".
Choose your usual account.
Run Hijack This from safe mode, close all windows except Hijack This, place a check to the left of the following items and press "fix checked":
O2 - BHO: (no name) - {1CB20BF0-BBAE-40A7-93F4-6435FF3D0411} - C:\PROGRA~1\Crawler\Toolbar\ctbr.dll
O3 - Toolbar: &Crawler Toolbar - {4B3803EA-5230-4DC3-A7FC-33638F3D3542} - C:\PROGRA~1\Crawler\Toolbar\ctbr.dll
O8 - Extra context menu item: Crawler Search - tbr:iemenu
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O18 - Protocol: tbr - {4D25FB7A-8902-4291-960E-9ADA051CFBBF} - C:\PROGRA~1\Crawler\Toolbar\ctbr.dll
Exit Hijack this but remain in safe mode.
From safe mode navigate to and delete this file if found:
C:\Program Files\Crawler\Toolbar\ctbr.dll
From safe mode navigate to and delete these folders if found:
C:\Program Files\Crawler\Toolbar
C:\Program Files\Crawler
Run ATF-Cleaner from safe mode.Double-click ATF-Cleaner.exe to run the program.
Under Main choose: Select All
Click the Empty Selected button.
In Safe Mode, run AVG Anti-spyware and click on the Scanner tab at the top. Click the "Settings" tab and then change the recommended action to Quarantine and click Automatically generate report after every scan. Click back to the "Scan" tab and then click on Complete System Scan. This scan can take quite a while to run, so be prepared.
AVG Anti-Spyware will list any infections found on the left hand side. When the scan has finished, it will automatically set the recommended action. Click the Apply all actions button. AVG Anti-Spyware will display "All actions have been applied" on the right hand side.
Click on "Save Report", then "Save Report As". This will create a text file. Make sure you know where to find this file again (like on the Desktop). Post the AVG AntiSpyware log and a new Hijack This log please.
Your version of XP appears to be way out of date and should be updated once your system is clean.
You should consider adding "Spywareblaster" to your arsenol of antispyware tools, just do a google search for spywareblaster, download it,install it, and update it. Its free and runs in the background, so you don't actually run it, and re-writes malicious script before it can install on your computer. Look for updates weekly as there is no auto-update on the free version.