Although all the apps listed below are portable, you first need to install them once on the USB drive where you want to keep ...

I test antivirus software ... do was leave a few infected USB sticks in the company parking lot. Some employee will grab a stick and connect it to their work PC. The professional malware Stuxnet ...

It can also create bootable USB drives for antivirus scanners ... Easily create a bootable Windows flash drive for your ZBOX mini-PC with the ZOTAC WinUSB Maker utility. The drag-and-drop utility ...

The best antivirus software offers comprehensive protection for all types of threats your device could face from the modern internet - which is teaming with malicious files and dodgy downloads.