Comodo - 50.58MB (Freeware)
Comodo Rescue Disk (CRD) is a free bootable Antivirus program that is able to check for viruses, malicious registry keys, root-kits, and more before your computer even starts up as it has been designed to scan your system in a pre-boot environment.
The app is intended to be used when dangerous malware has embedded itself so deeply into your system that standard antivirus software is not able to remove it. Comodo Rescue Disk is extremely effective at removing infections, which prevent the Windows operating system from booting up.
Key Features include:
The interface for Comodo Rescue Disk is very familiar and actually resembles its desktop counterpart, so most users will find it easy to work with. Usefully, it can provide a comprehensive and rigorous scan because it cleans your system before the operating system is loaded.
Overall, Comodo Rescue Disk is an great addition to any security toolkit and is a great complement to Comodo’s own Antivirus software. It includes tools that allow you to explore files and take screenshots as well.
Minimum hardware requirements, of either a 32-bit or 64-bit OS: Intel Pentium II 233 MHz or equivalent processor, with a minimum RAM requirement of 512 MB, and 210 MB hard disk space. Supported operating systems include: Windows 8, Windows 7, Windows Vista, and Windows XP.