Run this free online scan from Kaspersky http://kaspersky.com/kos/english/kavwebscan.html
Click Accept
When the updates are finished downloading, click Next, Scan Settings
Under Scan using the following antivirus database:, select extended
Make sure the Scan Archives and Scan Mail Bases options are selected as well. Click OK
Click My Computer and wait for the scan to finish
Click Save Report As. Under Save as type:, select Text file. Save this log to your Desktop.
Please post a Hijack This log so that the files associated with the virus/spyware/hijacker can be identified. You can download Hijack This at this link http://www.tomcoyote.org/hjt/ then place it into a folder of it's on, such as C:\HJT, so that back up copies can be made and not clutter your desktop or other folders and the backup copies of deleted items can be easily located if needed.
Once saved double click HijackThis.exe, and press "Scan". When the scan is finished, the "Scan" button will change into a "Save Log" button.
Press that, save the log, Ctrl-A to Select All, and copy its contents into the text editor at this forum.
Do not fix anything yet unless you know what you are doing. This is a powerful tool that can crash the computer if used improperly.
And post the Kaspersky log that you save to the desktop.