Hello Please follow the instructions in this linkHow To Remove Vundo/Winfixer Infection
Then download, install and update SUPERAntiSpyware
Under "Configuration and Preferences", click the Preferences button.
Click the Scanning Control tab.
Under Scanner Options make sure the following are checked (leave all others unchecked):
-- Close browsers before scanning.
-- Scan for tracking cookies.
-- Terminate memory threats before quarantining.
CLOSE the program and reboot into Safe ModeHow To Start Windows In Safe Mode
Open Super and Perform a Full Scan of the root drive (usually C:\)
Quarantine all Items found, be sure they have checks in the boxes at the Summary,
When removal is complete click OK then Finish
Reboot to Normal
Tell us how it goes