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Hundreds of thousands of Yahoo.com visitors are infected with malicious programs

yahoo

If you've visited Yahoo's home page in the past few days, chances are you too have been infected with malware. According to two security firms, Yahoo's servers that have have spread maliciously to hundreds of thousands of users.

Fox IT , One ασφαλείας από τις Κάτω Χώρες, αναφέρει ότι η επίθεση είναι έργο των κακόβουλων hackers που έχουν παραβιάσει το  δίκτυο διαφήμισης της Yahoo και το χρησιμοποιούν για δικούς τους σκοπούς.

"Customers who visit Yahoo.com accept ads served by ads.Yahoo.com. Some of its ads are malicious, ”reads one message.

And then, in response to some users' questions, they state that if o -victim has an old version of Java, just seeing the page is enough to get infected and not required to click on them. Obviously, users get a program that exploits Java vulnerabilities and installs various malware.

This Article states:
The infection caused by redirection of the ad websites exploits Java vulnerabilities and various malware installs, including:

  • ZeuS
  • Andromeda
  • Dorkbot / Ngrbot
  • clicking malware
  • Tinba / Zusy
  • I miss you

The company believes that the 30 2013 infections began in December, although attacks may have started even earlier.

Estimates show that about 27.000 computers are infected every hour, with most victims living in Romania, Great Britain or France. Fox IT says it's unclear which team is behind the attack, but they advise blocking several IP addresses that exploit malicious ads, in particular the 192.133.137 / 24 subnet and 193.169.245 / 24 subnet.

Yahoo seems to be already clearing its servers as virus traffic has already dropped.

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Written by Dimitris

Dimitris hates on Mondays .....

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