Once applied it effectively disables Windows from automatically executing any malicious file that might be stored in that particular USB drive. The drive can otherwise be used normally and files (even malware) copied to/from it, but they will be prevented from opening automatically.

Please take into account that vaccinating a USB drive is a non reversible operation and under some very unlikely conditions some applications could stop working. In any case if you do not have an AUTORUN.INF file in your USB drive it’s completely safe to vaccinate it.

With Panda USB Vaccine you'll be safe from any malware attacks exploiting the AUTORUN.INF file.

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