How to create a boot-able Anti-virus using Rufus


This KBA will go over how to make a anti-virus (Kaspersky Rescue Disk) using Rufus, this guide will go over not only how to make it but it will

help you find good boot-able anti-virus and some troubleshooting.



Step 1: Download Rufus.

Rufus: Download the latest version by visiting this link:

Click the latest download, which in this case is Rufus 3.15.

Rufus: Download and different versions.










fig 1.


Note: Rufus is an executable not an installer so you can start using it immediately.





Step 2: Download or Acquire a bootable an Anti-Virus:

Kaspersky Rescue Disk:

Kaspersky Rescue Disk should auto-download but if this does not occur click the download now button.

 Kaspersky download website.

 fig 2.


You can download any of your choosing, but I personally recommend Kaspersky Rescue Disk.

Here is a great site for some other bootable Anti-Virus alternatives:



Step 3. Running Rufus – Configuration

After running Rufus, a small window will display some settings, this is where you create your bootable Anti-Virus.

The Rufus should auto select your USB on default but if not select he correct one using the “Device” drop down menu.

Rufus pop up window.


fig 3.


Next you should select the ISO file of your bootable Anti-Virus by clicking the “Select” button, this will allow you to choose which ISO file you wish to be made into a bootable Operating system. In this case it will be Kaspersky Rescue Disk.

Select button within Rufus.

fig 4.


Then navigate to your ISO anti-virus file is located and select it.

File Explorer: location of Anti-Virus ISO.


fig 5.


Step 4: Rufus – Formatting

Within Rufus’s format options, you can edit the “Volume Label” box which will change the USB’s name after it has been formatted. It is highly suggested, if changing the name to something else, to ensure that it is relevant to the ISO.


Format Options within Rufus

fig 6.



Do not edit or change “File system” or “Cluster size” as it works with default settings.


WARNING: Creating a bootable Rufus drive will format it and permanently delete any data located on that volume, so make a backup of these files somewhere not on the USB drive. Ensure before you format it that you move anything that you do not want to be deleted.


When you are ready to format your USB and you have selected your desired OS click “START”.

Format Options Rufus Extra

fig 7.


Step 5: Rufus – Format settings

After you have clicked start you should get this message, leave it as the default setting as “Write in ISO Image Mode” as this is recommended and is better suited for our task.

Once “Write in ISO Image Mode (Recommended)” Is selected, press “OK”.

 ISOHybrid warning Rufus.

 fig 8.


After this another window will pop up suggesting you connect to the internet and download some necessary files for Kaspersky Rescue Disk to run, click “Yes”.

Download required Rufus Warning.

fig 9.


Next will be given the option to now format you USB drive.

WARNING: As already mentioned, this will erase all data on the drive, so if you wish to keep any of the files located on it, create backups on your local machine.

Click “OK” to begin the formatting of your USB.

Format and erase data warning Rufus.

Fig 10.



Step 6: Rufus – Completion

The Status bar will display the progress of your formation, when it is done formatting and copying your ISO file the status bar will be fully green and read “READY”, when satisfied with the result, click close.


Status bar completion Rufus.

Fig 11.



After your formatting is complete ensure you safely eject your USB as to not corrupt its files or damage the USB Itself.




  •  If you tried to format your USB without downloading the necessary files, Kaspersky Rescue Disk or any anti-virus that requires necessary files will not work, so you must redo the whole process from the step 3 if this happens.
  • If you try to use a older version of Rufus some ISO files might not work so ensure you use the latest version of Rufus.
  • If your "Device' box is empty and your USB is plugged in, make sure the file system is correct as Rufus only supports FAT, FAT32, NTFS, exFAT, UDF and ReFS filesystems.
  • Ensure that your ISO file or operating system is compatible with Rufus do this by visiting your ISO/Operating systems manufactures website.


Last update:
20-09-2021 01:05
Justin Read
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