the virus will be installed in
C: \ Documents and Settings \ Personal \ Local Settings \ Temp \ ro.dll,
C: \ WINDOWS \ system32
D: \ sxs.exe
also be found on the USB flash memory or where there autorun or executable.
this program allows you to view hidden files and folders, and if you try to make them visible to activate the Options check, to see the files will not show anything and again deselected.
to spend some antivirus or spyware cleaner can not remove nor be removed by turning off the system or Safe Doing (errors)
restarting can back out the message on the screen: virus detected