Protect from infected Flash Drive / USB Drive

USB Disk Security
USB Disk Security is the best software to block threats that can damage your PC or compromise your personal information via USB storage. Free for personal use. Fastest and lightest security software.

USB Threat Defender
Not updated after 2009

Bitdefender USB Immunizer
Immunizes only removable media. Some external HDDs may not show up. If you have the USB Immunizer running, you may tick the Automatically immunize USB drives box in the Options tab and every non-immunized USB drive plugged into the computer while BitDefender USB Immunizer is running will be automatically immunized.

Panda USB Vaccine
The free Panda USB Vaccine can be used on individual USB drives to disable its AUTORUN.INF file in order to prevent malware infections from spreading automatically. When applied on a USB drive, the vaccine permanently blocks an innocuous AUTORUN.INF file, preventing it from being read, created, deleted or modified. 

Ninja Pendisk
Ninja is the popular and freeware program designed for guarding computers against viruses transmitted by USB pendisks. This ninja awaits quietly in the system tray for the times whenever a USB pendisk is inserted on the computer which will be examined to uncover the commonly malicious or virulent files known as “autorun.inf” and “ctfmon.exe” amongst many others. 

USB Guardian
USB Guardian is a special software application which prevents your computer to get infected with nasty viruses an worms like  Conficker (aka Downandup, Downadup and Kido!)  which have spread already to over 9 milion computers.