Antivirus rescue disks are a great tool to have on hand in case your antivirus program can’t run because of malware. These USB drives bootable and CDs let you scan your computer for malware, repair registry problems and scan startup entries. Depending on the needs of your computer, you can choose from a range of scanning options. These include the quick scan as well as a complete system scan. There are some that also come with additional features, such as the ability to recover deleted files. To help you select the right option for you, we’ve rounded up our top picks for the best antivirus rescue disks.

Kaspersky Rescue Disk

Kaspersky’s rescue disk is a powerful tool, with plenty of customization options, letting you choose which folders and files to be scanned. It can also search for various types of malware such as worms, Trojans, and viruses. It’s a huge file however, it’s capable of performing a deep scan that could reveal issues that other programs cannot.

Bitdefender Rescue Disk

This rescue disk allows users to run Bitdefender in a different environment than Windows. It’s simple to use, and even though it does not have an interface with graphics, you are able to still navigate the plain text menu using the arrow keys. It’s among the cheapest on this list.