A tool to block viruses in USB flash/disk from auto-running. When a USB disk is inserted, this tool not only locks the "autorun.inf" file, but also locks all the autorun-related virus and other suspicious files.


Bitdefender USB immunizer is described as 'The USB immunizer is BitDefender's response to this growing issue. This small utility is divided in two sections' and is an app. There are more than 10 alternatives to Bitdefender USB immunizer for Windows. The best Bitdefender USB immunizer alternative is No Autorun, which is both free and Open Source. Other great apps like Bitdefender USB immunizer are Panda USB Vaccine, Ninja Pendisk, Penteract Disguised-Keyboard Detector and USB Autorun Virus Protector.
A tool to block viruses in USB flash/disk from auto-running. When a USB disk is inserted, this tool not only locks the "autorun.inf" file, but also locks all the autorun-related virus and other suspicious files.


Panda USB Vaccine is a free utility from Panda Research which helps prevent malware infections due to the autorun feature of Windows Operating Systems. Once executed the user can choose two types of vaccinations: Computer Vaccination or USB Drive Vaccination.

Ninja is the popular and freeware program designed for guarding computers against viruses transmitted by USB pendisks.

Protects your computer from "USB flash drives" which are actually malicious automatic keyboards masquerading as USB flash drives.

A simple and portable tool to protect USB storage drives against spreading of Autorun.inf viruses through the USB drives by creating some un-deletable dummy files in your USB drive.




USB Disk Security provides 100% protection against any malicious programs trying to attack via USB storage. Supports USB drive, flash storage, secure digital card, thumb drive, pen drive, removable storage, ipod, and more.

Smadav can detect many new unknown virus in USB even if the virus is not in the database. Not only for protection, Smadav can also help you to clean USB Flashdisk from virus and restore hidden/infected file in the USB Flashdisk.


Easy, simple to use, not a resource hog



Autorun Eater was born due to the increase of malwares using the ‘autorun.inf’ method to infect users unknowingly be it from flash drives, external hard disks or any other removable storage device.





Protects PC against viruses from infected removable drives.
Shiela USB Shield (formely Shiela Rescue Shield) is a powerful first line defense against virus from infected removable drives. it locks autorun.inf and associate executable files in multiple instance, Delete/Freeze th.



USB Defender was developed to be extremely easy in use. You can see just two buttons on it: "Protect" and "Unprotect". First button you are using to vaccinate your drive, second - to remove protection.
very simple, portable and fast


I have used last 3 years, No problems found