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Hackers are using Zoom to spread malware and take over PCs — here’s how to stay safe

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The Security Alliance is putting out an alert for high profile users to be aware of a new crime group that is using Zoom to trick users into allowing remote access in order to install malware.

Once the malware or RAT is installed, the attackers can steal cryptowallet funds, take over accounts or other assets.

During the Zoom video call, they keep their screens switched off but will then send a remote control request with their screen name switched to ‘Zoom’ so it appears as though the app itself is requesting control of the system.

Those who are rushed, distracted or less tech savvy may assume it is a valid request and accept and now the attacker has full control of the victim’s system.

The other potential target noticed that some of the branding for the accounts wasn’t consistent and backed out after seeing some of the data gathered on the group on the Security Alliance advisory. However, the group has gone through great lengths to create a sense of legitimacy to convince their targets to agree to Zoom calls.

How to stay safe

Don’t accept Zoom calls from people you don’t know. Or when using Zoom, disable remote control functionality entirely.

Another way to keep yourself safe is to avoid using the Zoom app and instead use the browser version when possible, which limits the functionality – including not allowing remote control of the system. Zoom will offer this option when you attempt to join a meeting without opening the app.

The Security Alliance also recommends users perform due diligence when receiving an offer or request from unknown individuals to ensure they are communicating with legitimate profiles and not an impersonator, and that all video calls take place over trusted platforms – Zoom, Google Meet, Microsoft Teams.

Always make sure that your antivirus software is current, and if you have additional features for online protection like a VPN, hardened browser, or password manager, make sure that those are set up too – those extra steps could make a difference in protecting your accounts if there's ever a malware infection or a breach.

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Amber Bouman
Senior Editor Security

Amber Bouman is the senior security editor at Tom's Guide where she writes about antivirus software, home security, identity theft and more. She has long had an interest in personal security, both online and off, and also has an appreciation for martial arts and edged weapons. With over two decades of experience working in tech journalism, Amber has written for a number of publications including PC World, Maximum PC, Tech Hive, and Engadget covering everything from smartphones to smart breast pumps. 

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