
This antivirus works like this:
Insert a flash drive, 2 devices appear:
- directly flash disk
- Autorun ... device, manifested as a CD
Before you start using the flash drive, you must activate the software.
Your flash drive will only be read until you complete the activation process.
On the flash drive there is a file that you need to run and go through the activation process.
This anti-virus from Trendmicro is given for 90 days, then you have to pay for the subscription.
Colorful pictures
As it was without antivirus

As it became with the antivirus
updThe activated Trend Micro USB antivirus protection device automatically checks the file for the presence of virus-infected programs transferred to your JetFlash disk. The Trend Micro USB anti-virus protection device will send you a notification after a virus is found, and then isolates the infected file into a hidden quarantine folder on JetFlash.

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ps: The antivirus itself did not work for me on Windows 7 x64, so nothing can be written to the flash drive. Attempting to launch the file did not lead to anything (with elevated privileges too).