Keylogger Found in Audio Driver of HP Laptops

itman · May 11, 2017

The audio driver installed on some HP laptops includes a feature that could best be described as a keylogger, which records all the user's keystrokes and saves the information to a local file, accessible to anyone or any third-party software or malware that knows where to look.

Swiss cyber-security firm modzero discovered the keylogger on April 28 and made its findings public today.

Keylogger found in preinstalled audio driver

According to researchers, the keylogger feature was discovered in the Conexant HD Audio Driver Package version 1.0.0.46 and earlier.

This is an audio driver that is preinstalled on HP laptops. One of the files of this audio driver is MicTray64.exe (C:\windows\system32\mictray64.exe).

This file is registered to start via a Scheduled Task every time the user logs into his computer. According to modzero researchers, the file "monitors all keystrokes made by the user to capture and react to functions such as microphone mute/unmute keys/hotkeys."
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https://www.bleepingcomputer.com/news/security/keylogger-found-in-audio-driver-of-hp-laptops/

itman · May 12, 2017

HP Releases Driver Update to Remove Accidental Keylogger

HP has issued an update to remove a keylogging mechanism found in the audio drivers included with some of its high-end laptops.

HP Vice President Mike Nash told Axios — a tech news site — that his company had released an update to the maligned audio drivers last night.

The updates will reach users via Windows Update, with updates for 2016 laptop models going live last night, and updates for 2015 laptop models going live today.

If users can't wait, or they want to review the update package, the file is here, and an HP driver update summary is here.
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https://www.bleepingcomputer.com/ne...driver-update-to-remove-accidental-keylogger/

Rasheed187 · May 12, 2017

Yes, read about this. Would be interesting to know if SpyShelter could have stopped this, they claim they can block kernel based key-loggers that make use of drivers.

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