malware attacks triggered by USB devices

The company said that the 700,000 recorded attacks on computers in the community of users of Avast over the last week of October, 13.5% arrived by devices like USB flash drives. 
Autorun warning computer users when a new device is plugged in and help them choose the applications to run on the new file. 
"Autorun is a very useful tool, but also a way to distribute more than two thirds of the malware now," said analyst virus Avast January Sirma. Cyber criminals are taking advantage of people who use USB flash drives to share large files with friends or transfer files in their workplace, "said Sirma. 
Infected USB devices - which can include a portable game unit, digital camera, mobile phone or MP3 player - run the executable file that invites a wide range of malicious software on the host computer. own copy of incoming malware to Windows and can replicate every time the computer is turned on. 
Avast has urged users not to start a PC that already have USB devices connected, because the malware loads some antivirus programs before doing so.
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SanDisk Cruzer 16 GB Cruzer USB 2.0 Flash Drive SDCZ36-016G-A11
SanDisk Cruzer 16 GB USB 2.0 Flash Drive SDCZ36-016G-A14F
SanDisk Cruzer 8 GB USB 2.0 Flash Drive SDCZ36-008G-A14F