trz****.tmp on removable drives also new folder.lnk

Recently trz****.tmp started creating itself everytime i putmy usb drive on the computer. I am working on windows 8. Also all the folders and files on usb drive gets created into a shortcut. Plz help

disconnect all removable drives…

malware experts are notified, wait for there advice

Follow instructions given here http://forum.avast.com/index.php?topic=146809.msg1065826#msg1065826

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