USB Flash Drive Protection

[ideas]

i would like to know how and which antivirus i can install and run antivirus from USB Flash Drive, so that it will

Automatically Scan for Virus Whenever Plug in USB Flash Drive in any PC

The Antivirus must and will be run from this USB Flash Drive itself

[Nick_White]

ClamWin Portable

Create a file called "autorun.inf" in the root of the USB drive, containing:

[Autorun]

Open=<the name of the .exe file with switches>