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New Rampant Windows Worm Seizes 8 Million Business PCs in a Week
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Written by Daniel   
Monday, 19 January 2009 12:22

New worm is very sophisticated and spreading fast

 Jason Mick (Blog) - January 19, 2009 9:18 AM 

Last week the international community was hit by one of the worst viral internet attacks to take over the corporate world in recent years.  The worm -- which goes by the names Downadup, Conficker, or Kido -- had infected 8 million computers, almost all on corporate networks, by Friday.  Describes Mikko Hypponen, chief research officer at anti-virus firm F-Secure, "On Tuesday there were 2.5 million, on Wednesday 3.5 million and today [Friday], eight million.  It's getting worse, not better."



As of today, an estimated 8.9 million machines are infected with the virus.  The very sophisticated worm exploits multiple secure flaws in Microsoft's Windows OS's.  It injects itself into services.exe, a common system process.  It creates a new DLL file in Windows system folder with a random five letter name.  It makes registry edits referencing this DLL as a service, so it’s automatically run on restart.

Once it has its grips on the system, it proceeds to create an HTTP server and download malware onto the computer from hacker web sites.  It also wipes out the system restore with a reset, making it harder to recover the system.  While many viruses download malware remotely from a handful of web sites, allowing for easy removal of the installed files, this one is much trickier.  Every day hundreds of dummy domain names are generated by an algorithm coded in the worm, with only one being the actual malware site.  This makes it extremely difficult to find exactly what is being installed each day    [Daily Tech....]    [Comments...]
 

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