Killer USB stick that destroys your computer in seconds – ANZ Tech
The USB stick can instantly fry any machine it is plugged into. – Watch the YouTube Link
Russian hackers have created a USB stick that can instantly destroy any machine it is plugged into.
The USB stick created by a Russian security researcher known as ‘Dark Purple’ have uploaded a video to YouTube showing the USB in action.
In the video a researcher is seen plugging the USB stick into a working laptop, after a second or two the screen goes black and all attempts to get the laptop working again fail.
The USB destroys laptops by sending 220 volts through the signal lines of the USB interface, rendering anything it is plugging into useless.
The researcher claims that “he will live” and a new motherboard is on the way.
He thinks it is “extremely unlikely” that the hard disk was damaged, and so it should still be possible to access the data stored on the drive.
Dark Purple claim in theirRussian-language blog post that the attack is not just limited to computers, but can used to incapacitate almost anything equipped with a USB drive.
Experts say the USB stick highlights the fact users should never plug unknown devices into their machine.
The basic idea of the USB drive is quite simple. When we connect it up to the USB port, an inverting DC/DC converter runs and charges capacitors to -110V. When the voltage is reached, the DC/DC is switched off. At the same time, the filed transistor opens. It is used to apply the -110V to signal lines of the USB interface. When the voltage on capacitors increases to -7V, the transistor closes and the DC/DC starts. The loop runs till everything possible is broken down. Those familiar with the electronics have already guessed why we use negative voltage here. I‘ll explain to others that negative voltage is easier to commutate, as we need the N-channel field resistor, which, unlike the P-channel one, can have larger current for the same dimensions.
It affects thumb drives and external hard drives, but also any device that connects to a PC using USB. This includes keyboards and the mouse, as well as the USB drives used to charge phones and tablets.
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