Sorry to interrupt, but can you try this and tell me the results:
Please download MCShield from the following link:
MCShield -Official download link
- Double click on MCShield-Setup to install the application.
Next => I Agree => Next => Install ... per installation click on Run! button.
- Wait a few seconds to MCShield finish initial HDD scan...
- Connect all your USB storage devices to the computer one at a time. Scanning will be done automatically.
- When all scanning is done, you need to post a logreport that MCShield has created.
Under Logs tab (in Control Center) for AllScans.txt log section click on Save button. AllScanst.txt report shall be located on your Desktop.
=> Post here AllScanst.txt
Explanation: USB storage devices are all the USB devices that get their own partition letter at connecting to the PC,
e.g. flash drives (thumb/pen drives, USB sticks), external HDDs, MP3/MP4 players, digital cameras,
memory cards (SD cards, Sony Memory Stick, MultiMedia Cards etc.), some mobile phones, some GPS navigation devices etc.
MCShield Anti-Malware USB Tool is a lightweight scanner designed to prevent infections transmitted via removable drives (usb, external, camera cards). It's real-time protection is only real-time when you plug-in an external.