BitDefender USB Immunizer for Windows

Product snapshot

Bitdefender USB Immunizer is a free Windows utility designed to prevent USB drives from being infected by autorun/auto-executable malware. It’s a small, lightweight tool that focuses specifically on protecting removable media from one common infection vector.

Key advantages

• Uses minimal disk space compared with many other security utilities.
• Protects USB sticks by disabling the mechanisms malware commonly exploits.
• Simple, no-frills interface suited for quick scans and immunization tasks.

Popularity and download figures

• Added to our catalog in 2011, the tool has accumulated roughly 67,285 downloads since listing.
• Recent activity shows modest uptake, with about 20 downloads recorded last week.
• The application has attracted notable interest from users in Indonesia, the Philippines, and India.

System compatibility and language

• Designed for older Windows releases — compatible with Windows XP and earlier editions.
• User interface and installer are available in English.

Alternatives to consider

• Panda USB Vaccine (free)
• USB-focused antivirus tools and general endpoint protection suites from other vendors

Version and last update

The software appears in the catalog under the name “Bitdefender USB Immunizer.” The most recent update on record was published on March 10, 2012.