If you have look2me infection Spysweeper gets rid of it.
Download the trial version of Spy Sweeper
Install it using the Standard Install option. (You will be asked for your e-mail address, it is safe to give it. If you receive alerts from your firewall, allow all activities for Spy Sweeper)
You will be prompted to check for updated definitions, please do so.
(This may take several minutes)
Click on Options > Sweep Options
and check Sweep all Folders on Selected drives.
Check Local Disc C
. Under What to Sweep
, check every box.
Click on Sweep
and allow it to fully scan your system.
When the sweep has finished, click Remove
. Click Select All
and then Next
, select the Session Log
tab. Click Save to File
and save the log somewhere convenient.
Exit Spy Sweeper.
Restart your computer.
If you have a rootkit there as well SpySweeper may not work.