Dr.Web LiveUSB free of charge
October 13, 2010
In order to create a bootable USB flash drive, connect a USB-device to your computer and launch Dr.Web LiveUSB. The application will detect available data storage devices; you will only need to choose one from the list. All subsequent procedures to create a bootable flash disk will be performed automatically.

Dr.Web LiveUSB runs under Windows (32 and 64-bit versions).