Hi,
Right-click on the below provided link, and click "Save As" ( or "Save Target As" or "Sace Link As" ), and when the "Save" dialog box appears, click "Save" button.
http://www.bleepingcomputer.com/files/reg/smitfraud.reg
The file will be saved with the default filename,
smitfraud.reg.
Next, download
Ewido and install it. Then run, you will receive a warning message saying "Database not found", click "OK" for this. Next in the main screen, click "Update" and click "Start Update".
After the update process, click on the "Scanner" button in the left menu, then click on the "Start" button.
If ewido finds anything, it will pop up a notification. You can select "Clean" and check the boxes "Perform action with all infections" and "Create encrypted backup" before clicking on OK.
When the scan finishes, click on "Save Report". This will create a text file.
After running Ewido scan, double-click on the file
smitfraud.reg and choose "Yes" to merge it to Registry.
Restart your PC, check whether your Desktop is back to normal or not, and post back the results. Also, post the contents of Ewido log.