Hello, the bugger is pretty much gone.
Please make sure that you can view all hidden files. Instructions on how to do this can be found here:How to see hidden files in Windows
Please click this link-->Jotti
When the jotti page has finished loading, click the Browse
button and navigate to the following file and click Submit
C:\Program Files\Wave Systems Corp\Dell Preboot Manager\temp\deleteusers.exe
Please post back the results of the scan in your next post.
If Jotti is busy, try the same at Virustotal