Browser extensions waited years before infecting 4.3M Chrome, Edge users with backdoors & spyware

stapp · Dec 2, 2025 at 12:20 AM

A seven-year malicious browser extension campaign infected 4.3 million Google Chrome and Microsoft Edge users with malware, including backdoors and spyware sending people's data to servers in China. And, according to Koi researchers, five of the extensions with more than 4 million installs are still live in the Edge marketplace.
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https://www.theregister.com/2025/12/01/chrome_edge_malicious_browser_extensions/

digmor crusher · Dec 2, 2025 at 10:17 AM

I wish they would name the extensions in stories like this otherwise its useless.

stapp · Dec 2, 2025 at 10:48 AM

digmor crusher said: ↑

I wish they would name the extensions in stories like this otherwise its useless.
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More info here
https://www.koi.ai/blog/4-million-browsers-infected-inside-shadypanda-7-year-malware-campaign

TairikuOkami · Dec 2, 2025 at 11:21 AM

I liked Clean Master, but apparently no extension is safe these days, thus I use none. Less convenient, but more secure.

digmor crusher · Dec 2, 2025 at 1:43 PM

stapp said: ↑

More info here
https://www.koi.ai/blog/4-million-browsers-infected-inside-shadypanda-7-year-malware-campaign
Click to expand...

Thanks

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