Infostealer Adrozek malware hits Firefox, Chrome, Yandex, Edge browser

Infostealer Adrozek malware hits Firefox, Chrome, Yandex, Edge browser

Adrozek malware was identified by Microsoft and since May 2020 over 30,000 users have been infected.


With companies helping each other find vulnerabilities and patch them, the job for malicious hackers gets much more difficult. In the latest, Microsoft has discovered a malware campaign that has infected over 30,000 users since May 2020 with the Adrozek malware.


It has been found to be spreading globally and targets web browsers such as Microsoft Edge, Google, Chrome, Mozilla Firefox, and Yandex which are being run on Windows in order to “inject ads into search results.”


See: New Agent Tesla variant steals passwords from web browsers & VPNs


The purpose of these ads is to prompt users to click on them which would redirect them to affiliated sites and therefore end up making money for the malware developers.



How the Adrozek malware initially infects users is by putting an executable file into the “Temp” folder found in Windows. This file which poses as audio software but in reality is malicious then downloads the infectious file which is responsible for making the malware run.

Once run, it adds new browser extensions, changes the in-browser DLL files, and changes the browser’s settings including the default homepage, default search engine, updates schedule, permissions settings, and much more in order to d ..

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