Try running the free versions of these two tools. Update them before running and let them remove anything they find. Reboot immediately if asked to.
If that fails then download Hijackthis and post its log on one of the following forums for expert help:
Do not post the log here, we can't help!
Post the logs at a specialist Forum:
BLEEPING COMPUTER FORUM
GEEKS TO GO FORUM
MAJOR GEEKS FORUM
MALWARE REMOVAL FORUM
SPYWARE INFO FORUM
WHAT THE TECH FORUM
Be sure to read all the sticky announcements/instructions at the top of each malware forum!
I am seeing HUGE increases inthe instances of Vundo and fake alerts over the last few days. Seems that a rash of websites have been taken over or may just be an ad server feeding up Malware as CNN is was a common threat in many users reasoning.
Recieved Threatname: FakeAlert-JU, Vundo.gen.cc
Affected Objects: C:\WINDOWS\system32\dutewuwa.dll, C:\WINDOWS\system32\gebazafo.dll, C:\WINDOWS\SYSTEM32\vuyinapa.dll, C:\WINDOWS\system32\vebigese.dll, C:\WINDOWS\system32\juyobosu.dll, C:\WINDOWS\system32\pogoyako.dll, C:\WINDOWS\system32\vuyinapa.dll
Alwasy try the M$ MSWRT as well as MBAM. Its actually quite good. http://www.microsoft.com/security/malwareremove/default.aspx