malware

Google ads with malware! millions of computers with malware

Google ads with malware! Yes, you read that right. Last night, the της Malwarebytes παρατήρησαν μια περίεργη συμπεριφορά σε ιστοσελίδες όπως το Last.fm, The Times of Israel και της εφημερίδας Jerusalem Post. Οι διαφημίσεις που πρόβαλλαν οι εν λόγω ιστοσελίδες, ήταν ασυνήθιστα επιθετικές, προκαλώντας προειδοποιήσεις από τα anti-virus και στα συστήματα της Malwarebytes.
Google ads malware Google ads Google ads
After a lot of research, security researcher Jerome Segura realized the problem is from Google's advertising networks, DoubleClick and the popular Zedo. Both networks were promoting malicious ads designed for distribution Zemot malware. A representative of her Google confirmed the problem stating: "Our team is aware of the problem and has taken the necessary steps to eliminate it."

Malware served by ad networks (or "malvertising") is nothing new, but it is noteworthy because of the unusually wide scope of the attack.

"It was active, but not visible for several weeks until we started seeing popular sites throwing flags at our honeypots," says Segura.
"Then we thought something was wrong." "The first signs came in late August, and to date millions of computers may have been exposed to Zemot, and people with uninformed antivirus are at greater risk."

Zemot focuses on Windows XP computers, although it can also infect modern operating systems that run on x86 and 64bit. Zemot is designed to bypass a system's security before infecting it with additional ones .
"Even if there were only 5% vulnerable systems," says Segura, "we expect a very large number of infections."

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Written by giorgos

George still wonders what he's doing here ...

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