10 Free Bootable Antivirus Tools

If your operating system doesn't start because of a virus infection, you can find these tools useful.
Each tools must be copied to CD or USB flash drive.
Don't forget to set up the boot order in BIOS or press the appropiate function key (e.g. F8, F10) to change the boot order.

1. Kaspersky Rescue Disk

2. Avira Rescue System

3. AVG Rescue CD

4. Bitdefender Rescue CD

5. Comodo Rescue Disk

6. F-Secure Rescue CD

7. Panda Cloud Cleaner Rescue ISO

8. Trend Micro Rescue Disk

9. Windows Defender Offline

10. Dr.Web LiveDisk

Source: lifewire.com