Hackers Hijacked MEGA Chrome Extension To Steal Login Credentials

Hackers uploaded a malicious version of MEGA Chrome Extension to the Google Chrome store which steals users login credentials of popular websites and cryptocurrency wallets.

The compromised MEGA Chrome Extension version 3.39.4 steals user’s login credentials from popular sites such as Amazon, Live, Github, Google.

Also, it uses to steal login credentials of the cryptocurrency wallets such as Myetherwallet, Mymonero, and Idex.

Once the extension grabs the user’s login credentials and sends them to the domain www[.]megaopac[.]host hosted in Ukraine.

The malicious extension was first spotted by Italian Security researchers ‘serhack’ and he posted a warning on Twitter.

Another researcher observed that it also tries to capture credentials from any site if the following common parameters present such as username, email, user, login, usr, pass, passwd, and password.

Now Google has removed the malicious version of the extension, it has been active for five hours in the Chrome Webstore.

For those who installed the extension at the time of compromise should remove them immediately and need to change the login credentials of the sites visited after the installation.

Unfortunately, Google decided to disallow publisher signatures on Chrome extensions and is now relying solely on signing them automatically after upload to the Chrome Webstore, which removes an important barrier to external compromise. reads the Mega statement.

The company said, “MEGAsync and our Firefox extension are signed and hosted by us and could therefore not have fallen victim to this attack vector. We are currently investigating the exact nature of the compromise of our Chrome webstore account.”

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