USB drives are well-known carriers of viruses and malware. It can easily affect your PC while you connect to your PC. In other words, every time you connect a USB drive to your Windows machine, malware may attack. USB drives are prone to malware because of the Windows OS Autorun feature.
Most of us install an antivirus program on Windows PC but forgetting about the security of USB drives. Normal antivirus is good enough to protect your PC, but it may not secure you from malware attach to USB drives. This is why you need special USB security software.
USB disk security tool comes with many other features also, but the main function of this application is to protect your PC from all kinds of viruses that can enter through the USB drive. If you are concerned about PC security, you should install USB security software apart from the normal antivirus.
This article will provide you some top free USB security software and antivirus that will protect your Windows PC.
Topics Covered
Free USB security software and antivirus tools.
USB security software automatically scans your USB drive as and when connected to your PC; it does not let your PC be affected by malware. There are several USB security tools available over the internet; we have collected some of the top applications, and these are:-
- Autorun Deleter
- Windows USB Blocker
- BitDefender USB Immunizer
- Panda USB Vaccine
- KASHU USB Flash Security
- USB Disabler
- Phrozen Safe USB
- USB Disk Security.
Autorun Deleter
Before connecting a USB drive to the PC, run this portable tool. This freeware tool will delete the infected file and change the Windows registry to ensure that it does not appear again.
Just run the Autorun Deleter program, connect the USB drive to the PC, and click the big icon to delete the autorun.inf virus. Once the software deletes the autorun.inf file, you will be informed that “You are done.” To exit the application, click the “x” button.
Dowload Autorun Deleter
You can download the free Autorun Deleter app from here.
Windows USB Blocker
Windows USB Blocker is actually not an antivirus tool but protects you in other ways. It is a simple USB security software that allows you to block and unblock your USB port to access. Blocking and unblocking storage devices on any windows system can now be done very easily and effectively with a Windows USB Blocker.
Once you have downloaded and installed the Windows USB Blocker, after running this tool, if the USB port is unlocked, it will show UNBLOCKED.


After blocking with a single mouse click, you can protect your PC from unauthorized data access using the USB drive.
Download Windows USB Blocker
This freeware utility can be downloaded from the official website. It is compatible with Windows XP, 2003, Vista, Windows 7, Windows 8, and Windows 10.
BitDefender USB Immunizer

Download BitDefender USB Immunizer
BitDefender USB Immunizer is a free utility compatible with Windows XP, Vista, 7, 8, and Win 10. You can download it from the official website here.
Panda USB Vaccine

Download Panda USB Vaccine
You can download the latest version of the free utility Panda USB Vaccine from the official website here.
KASHU USB Flash Security

Download KASHU USB Flash Security
You can download this free utility from here. One should note that the free version has limited support of up to 4GB of USB devices only.
USB Disabler
- It can Disable any USB storage / PenDrive access to your laptop or pc.
- You can set Read-Only mode to USB storage / Pendrive, which means nobody can copy your personal documents over their removable storage.
- You can reset everything back to Normal, so your own USB Storage / Pendrive will be functioning as usual.

Download USB Disabler
You can download this free tool from the official website here. It is compatible with Windows 10/8//Vista/XP.
Phrozen Safe USB
Phrozen Safe USB features a similar function as above mentioned tool USB Disabler. This tool offers three different ways to handle USB drives:-
USB Devices Activated – In this mode, the USB port is open for all kinds of usage.
USB Devices Read Only – In this mode, the user can only read the USB device’s contents but cannot modify, copy, or delete its content.
USB Devices Disabled – In this mode, the USB device is disabled completely and won’t even be detected on your Windows PC. You can opt first or second option according to your need to read or write on the USB drive.

Download Phrozen Safe USB
Phrozen Safe USB is compatible with Windows XP, Vista, 7, 8, and Win 10. You can download the latest version of this free utility from here.
USB Disk Security

Download USB Disk Security
You can download the latest version of USB Disk Security from here.