It's not a big deal though. They subsequently specifically asked him to put it on a CD in PEM format and deliver it by 5 that day or be faced $5000 fine per day or something like that.
There should be a standard virus-laden ISO image specifically designed for "compliance" with court orders.
If you gave them a rar, tar.gz, zip or anything, the Man can hold you for contempt if he really wants to.