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Author Topic: Yahoo Primary Source of Malware and Doesn’t Care  (Read 1622 times)

app103

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Yahoo Primary Source of Malware and Doesn’t Care
« on: March 24, 2010, 04:14:22 AM »
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You usually expect to catch an infection of malware from some shady unknown website that you shouldn’t have clicked on, but a study done by Avast! has uncovered something disturbing. Popular advertising networks are now being infiltrated by malware and you don’t even have to do anything special to get infected. You don’t even have to click on anything. According to CNet:
   
Quote
Found in ads delivered from those networks was JavaScript code that Avast dubbed “JS:Prontexi,” which Avast researcher Jiri Sejtko said is a Trojan in script form that targets the Windows operating system. It looks for vulnerabilities in Adobe Reader and Acrobat, Java, QuickTime, and Flash and launches fake antivirus warnings, Sejtko said.

    Users don’t need to click on anything to get infected; a computer becomes infected after the ad is loaded by the browser, Avast said

Where will you find these infected ads? On some of the most popular websites like TechCrunch, The New York Times, The Drudge Report, and Whitepages.com. How could such well-known websites get infected with malware? It seems crazy to think about. They’ve got to be screening their websites and code thoroughly, right?


Deozaan

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Re: Yahoo Primary Source of Malware and Doesn’t Care
« Reply #1 on: March 24, 2010, 07:38:18 AM »
I find this very interesting, especially considering that Ubuntu has chosen to make Yahoo! the default search engine/home page for Firefox in the upcoming 10.04 Lucid Lynx release next month.

Though I suppose Ubuntu doesn't have to worry about viruses that are targeting Windows systems.


app103

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Re: Yahoo Primary Source of Malware and Doesn’t Care
« Reply #2 on: March 24, 2010, 09:15:23 AM »
Though I suppose Ubuntu doesn't have to worry about viruses that are targeting Windows systems.

Flash and Java do exist for Ubuntu, also. And while the malware might be currently exploiting issues in those apps to target Windows now, there is still the possibility of targeting issues in those for any OS they run on, if the same exploitable issues affect other OS's as well.