How a Single Infected Stick Compromised a European Hospital

Estimated read time 2 min read

If you’re a cybersecurity enthusiast, then you must know about the recent malware attack on a European hospital. Today we delve into how a seemingly innocent USB stick used at a conference led to this unfortunate event.

The Malware Incident

Earlier this year, a European hospital fell prey to a nasty malware infection, thanks to a USB stick used at a conference, says security firm Check Point. The name of the hospital and the exact impact remain under wraps, but the hunt for “patient zero” was successful.

The Unwitting Carrier

The unsuspecting carrier turned out to be a hospital employee who had attended a conference in Asia. Using the USB stick, he shared his presentation with fellow attendees. But disaster struck when his USB stick got infected from a colleague’s computer at the conference.

The Domino Effect

Our hapless hospital worker then took the tainted USB stick back to the hospital, becoming a catalyst for the malware to spread further. In such infected USB sticks, all of the user’s files are hidden. The victim only sees a malicious launcher bearing the name of the USB stick.

As soon as the victim launches it, the hidden files become visible, and in the background, a backdoor is installed allowing the attackers access to the system. The malware keeps a vigilant eye for new USB sticks, ready to infect them as well. Even network drives added to the infected system can get contaminated.

Check Point’s Advice

Check Point underscores the importance of educating personnel about the risks of using USB sticks from unknown or untrustworthy sources. They also advocate clear guidelines for the use of such data carriers.

Ideally, the use of USB sticks should be limited or outright banned unless they come from reliable sources and have been vetted for malware. As a proactive measure, organizations could consider alternatives to the use of USB sticks.

As always, in cybersecurity, an ounce of prevention is worth a pound of cure. Stay safe out there, friends.

Reza Rafati

Reza Rafati, based in the Netherlands, is the founder of An industry professional providing insightful commentary on infosec, cybercrime, cyberwar, and threat intelligence, Reza dedicates his work to bolster digital defenses and promote cyber awareness.

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