Although this review is a couple of years old, the only really major changes to these rescue CDs are the updated virus signatures. The basic mechanics of removing viruses have remained the same. The blogger concluded, "I’d say Kaspersky Rescue CD is the winner because it is free, supports signature updates and flexible configurations." 13 Antivirus Rescue CDs Software Compared in Search For the Best Rescue Disk | Raymond.CC Blog
Just my own 2 cents worth, once a machine has been infected the only thing that can guarantee a clean machine is a format/reinstall of the OS and all other programs - either from the install media or a known clean system image.