It is likely that this file is
related to your Vundo infection.
Please download VundoFix
to your Desktop.
to run it.
Click the Scan for Vundo
Once it's done scanning, click the Remove Vundo
You will receive a prompt asking if you want to remove the files, click YES
Once you click yes, your desktop will go blank as it starts removing Vundo.
When completed, it will prompt that it will reboot your computer, click OK
Please post the contents of C:\vundofix.txt
in your next reply.
Note: It is possible that VundoFix encountered a file it could not remove.
VundoFix will run on reboot, simply follow the above instructions starting from "Click the Scan for Vundo
button" when VundoFix appears upon rebooting.