The shortcuts are due to a worm.
Using the same pen on both a mac and on windows is not recommended.
To get rid of the worm, at work, on the very same computer, (because the computer is also infected)
Your flash drive and computer have been infected with a worm.
# Download USB Fix click here
- Launch it, a shortcut will be created on your desktop.
- Choose "Clean" option.
- A pop-up will follow Connect all your external data sources to your PC (Usb keys, sd cards external drives, etc...)
- Once you're ready, click "OK".
- While cleaning, you will lose access to your desktop, but this is normal.
The numbers of analyzed and infected elements are displayed.
# Copy/paste the report here.
Tutorial : http://www.en.usbfix.net/2014/02/usbfix-tutorial-clean-option/
Moderator / Virus Security Contributor