March 4, 2021

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CoinMiner found in third-party Zoom download

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Original Post from SC Magazine
Author: Doug Olenick

The bad news for Zoom keeps coming rolling in with Trend Micro researchers finding CoinMiner being bundled with a legitimate installer of the video conferencing software.

The good news is the installer, Zoom installer version 4.4.0.0, is not from the company’s official download center, but likely from a fraudulent third-party store, Trend Micro reported. However, it does install a working version of zoom, along with the cryptocurrency mining malware.

CoinMiner is capable of mining bitcoin, Monero and Ethereum and when operating soaks up the majority of a systems computing resources causing it to run slowly and use a great deal of extra power.

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Once injected into a system the malware first does a system check. Using the CPUinfo tool it determines whether the device is running a 64 or 32-bit system and will then drop into any 64-bit computer encountered. There is no 32-bit version of the malware being used.

Further information on the systems GPU, operating system, video controllers and processors is then gathered along with a determination if the target is running Windows Defender, Microsoft Smartscreen or a antivirus program and if found the malware will attempt to hide itself.

The post CoinMiner found in third-party Zoom download appeared first on SC Media.


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Author: Doug Olenick

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