ESET Online Scanner says it is not compatible with Firefox.
Then use this one and post the log from it.
Trend Micro Housecall Scan for Firefox1. Click
Scan Now. It's Free2. Read and put a Check next to
Yes, I accept the Terms of Use3. Then click
Launch HouseCall Wait for the Java-Based Housecall Kernel Test
4. Click
Starting Housecall and wait for the updates to finish.
5. Under
Scan complete computer for malware, grayware, and vulnerabilities click the
Next>> button.
* It will download the latest scan engine and pattern files. When the definitions have been downloaded, the scan will start.
* Please wait while HouseCall scans your system…
* Once the scan is complete, it will take you to the summary page.
6. Under
Cleanup options choose
Clean all detected infections automatically7. Click the
Clean now>> button.
8. When presented with a notification
According to your instructions, all detected infections were cleaned..., click
OK* The Housecall log is saved to
C:\Documents and Settings\UserName\.housecall6.6\logAdd the log as an attachment in the post along with the SUPERAntiSpyware log and the new HijackThis log.