InfBlocker adds to the root of the pendrive or partitions on a HDD that some harmless files with the name of the most common viruses like: Autorun.inf, these files are not overwritten and can not be infected by viruses that bear that name.
If a virus attacks one of these files it will become visible to warn you of intrusion attempts. To view the patched files you need to enable hidden files and folders.
Place InfBlocker in the root of Drive or Partition, run it and start the extraction, will apply the patched files and close automatically at the end.
*After the extraction you can remove the installer.
Warning: On XP if you want to associate an icon to the pendrive or other drive where you applied the patch just add a ico.ico file in the root.