>As a backup I have a Batch file that ZIPs files from various directories to a CD disk.
>
>Lately, I am not sure if it is always though, after the backup is done, all ZIP file on the CD show the date of 01/01/1601.
>
>Does anyone know if this is some kind of virus or whatever?
>
>Thank you.

Dmitry,

Try converting the batch files to a VBScript Windows Script Host file. If you're using any version of Windows later than 95, it'll give you more flexibilty.

If you need help in the conversion, let me know.