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Trojan warning! Infection via Videofiles!!!

 
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MIKE BURN
Generally Crazy Guy


Joined: 08 Nov 2001
Posts: 4825
Location: Frankfurt / Europe

PostPosted: Mon Feb 07, 2005 10:10 pm    Post subject: Trojan warning! Infection via Videofiles!!! Reply with quote

Warning! Trojan variants "Troj/WmvDownload.A" and "Troj/Wmv.Download.B" underway!!!



Troj/Wimad-A is a Windows Media Video file that uses features of Windows Digital Rights Management (DRM) to trigger a visit to a web page that will attempt to download several files related to software that delivers internet adverts (adware).



The file is an encrypted file protected by DRM. In order to view the video content of the file the user has to acquire a digital licence from a third party licencing server.



Windows Media Player attempts to acquire the licence as soon as the user attempts to view the file.



Troj/Wimad-A contains the URL of the server serving the licence. The process uses HTTP protocol to acquire the licence. The rendering engine is identical to the Internet Explorer rendering engine. If the server sends a content that includes active scripting together with the licence, the content may exploit vulnerabilities in Internet Explorer to download and launch potentialy malicious software and adware programs without user's consent.



Be careful with "DRM protected" files.



DRM is bull* anyway (IMHO), but now it has become dangerous!


MIKE


10 free song uploads||1 free video upload

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Cybernetic Organism68



Joined: 17 Dec 2004
Posts: 384

PostPosted: Tue Feb 08, 2005 9:03 pm    Post subject: Re: Trojan warning! Infection via Videofiles!!! Reply with quote

Is there a way to tell if the file has it?

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markhewer



Joined: 04 Jan 2003
Posts: 246

PostPosted: Thu Feb 10, 2005 10:39 pm    Post subject: Re: Trojan warning! Infection via Videofiles!!! Reply with quote

Thanks Mike. You're a good man!;)

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Seismic Anamoly



Joined: 22 Aug 2002
Posts: 3039

PostPosted: Fri Feb 11, 2005 4:45 am    Post subject: Re: Trojan warning! Infection via Videofiles!!! Reply with quote

Appreciate the heads up, Burner.....



:cool








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