toonoc,, you weren't hacked in a way where someone deleted all your files but rather a victim of a trojan. Viruses today are being turned out so fast that most anti virus companies are behind some 2-3 weeks...
More then likely your situation is because of a security and policy hack... It's probably the most annoying hack on the internet and there is almost little or nothing that can prevent someone from getting attack...
try these solutions
C:\Documents and Settings\***username***\Desktop
see if your icons are there
then run regedit...
find this key
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\Curre ntVersion\Policies\Explorer
in the screen find the key nodesktop and delete it
also check
HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\Explorer
if NoDesktop is there also delete it aswell
restart your computer
hope it helps