Flash Disinfector creates a autorun.inf on the C: drive. That is what it uses to open the flash drive automatically.
Go to
Start >
Run and copy and paste next command in the field:
ComboFix /u
Make sure there's a space between Combofix and /
Then hit
Enter.
This will uninstall Combofix, delete its related folders and files, reset your clock settings, hide file extensions, hide the system/hidden files and resets System Restore again.