Its probably not a virus, but an issue with one of your .INI files. Try this:
* Double Click on My Computer.
* Select Folder Option > View Tab.
* Under the View Tab select Show hidden files and folders.
* And also select Hide protected operation system files.
* Now you will be able to see the hidden destop.ini files.
* Open Windows 7 start orb and at the search type: shell:startup and press Enter.
* Inside the startup folder delete the desktop.ini file
Now restart your computer. It will not appear again.
Did this help?
Cheers
SLAYER RULES! YEAH, MAN!!