Gruel worms launch cruel attack on Microsoft, Sophos Anti-Virus says beware

Sophos has reported that the new Gruel worm (W32/Gruel-D), the latest in a number of variants of the worm - which poses as a critical security patch from Microsoft - actually attempts to launch a double edged attack on the Windows operating system. In addition to attacking the Windows installation, the worm displays a message abusing the Microsoft operating system.

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