Downadup Worm Hits Over 3.5 Million Computers

(PhysOrg.com) -- Security firm F-Secure has advised that the Downadup worm has spread to more than 3.5 million computers by exploiting a vulnerability Microsoft patched last October. This is achieved by trying to connect to various Web addresses. The worm then looks for an active Web server at one of these domains and downloads and runs a particular executable file. This allows the malware to do whatever it wants with all of the infected computers.

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<p><a href="http://www.physorg.com/news151319896.html">Downadup Worm Hits Over 3.5 Million Computers</a></p> <p>(PhysOrg.com) -- Security firm F-Secure has advised that the Downadup worm has spread to more than 3.5 million computers by exploiting a vulnerability Microsoft patched last October. This is achieved by trying to connect to various Web addresses. The worm then looks for an active Web server at one of these domains and downloads and runs a particular executable file. This allows the malware to do whatever it wants with all of the infected computers.</p>