First 64-bit virus is discovered by Symantec

Thursday, 27 May 2004, 9:00 PM EST

Symantec in Canada have discovered the first known virus for the 64 bit version of Microsoft Windows. Called W64.Rugrat.3344, the virus is a direct action infector, which means that it quits the system memory once it has executed. The virus infects what are known as IA64 Windows Portal Executable files.

Although the virus is not capable of infecting a 32 bit Portable Executable file, or indeed of running on a 32 bit Microsoft Windows platform natively, it is possible to run it on a 32 bit machine using a 64 bit emulator.

By Laurence Norah at I.T. Vibe

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