help.comodo.com/topic-72-1-623-7626-Create-a-Rescue-Disk.htm...

Comodo rescue disk is a bootable disk image - virus scanner that allows users to run virus scans in a pre-boot environment, runs Comodo Cleaning Essentials on the Linux operating system.

help.comodo.com/topic-170-1-493-5214-.html

Downloading Comodo rescue disk describes how you can access the software and from where you can download it. Click here to read more.

I am not sure if this is as upto date as creating one from within CIS.