Home / HACKER NEWS / Users Installed Malicious Ad Blockers From Chrome Store is about over 20 million

Users Installed Malicious Ad Blockers From Chrome Store is about over 20 million

Unfortunately, malicious browser extensions are nothing new. They often have access to everything you do online and could allow its creators to steal any information victims enter into any website they visit, including passwords, web browsing history and credit card details.

Creators of these extensions also used popular keywords in their names and descriptions to rank top in the search results, increasing the possibility of getting more users to download them.

“All the extensions I’ve highlighted are simple rip-offs with a few lines of code and some analytics code added by the authors,” Meshkov says


Meshkov downloaded the ‘AdRemover’ extension for Chrome, and after analyzing it, he discovered that malicious code hidden inside the modified version of jQuery, a well-known JavaScript library, sends information about some websites a user visits back to a remote server.

“These commands are scripts which are then executed in the privileged context (extension’s background page) and can change your browser behavior in any way,” Meshkov says.

“Basically, this is a botnet composed of browsers infected with the fake Adblock extensions,” Meshkov says. “The browser will do whatever the command center server owner orders it to do.”

So, you are advised to install as few extensions as possible and only from companies you trust.


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