AUTOEXEC.BAT is typically attacked via malicious viruses.
Make 2 copies of your AUTOEXEC.BAT file.
Secure these batch files in a safe location.
Rename one copy to AUTOEX.BAT.
Edit your AUTOEX.BAT file as follows:
Right click the AUTOEX.BAT file.
Replace with single entry in notepad as AUTOEX.
Close and save file.
Remove the original AUTOEXEC.BAT file.
This will stop viruses from adding code to your AUTOEX.BAT file.
*(Warning: Improper configuration of the AUTOEXEC.BAT file will
result in operating system failure and possible data loss).
Please take all precautions of saving files externally so you may replace
improperly configured AUTOEXEC.BAT files. RestoreMyData cannot take responsibility for any
improperly configured AUTOEXEC.BAT files or custom settings.
You should keep scheduled backups of your computer files and critical
information. If your computer virus is not cleanable, you will still be able to
restore your data and critical files.
Make sure to install the latest operating system security patches,
service packs on your computer and server.