W95.HybrisF is one of the encrypted plug-ins that are downloaded by the
W95.Hybris.gen worm.
What are Portable Executable (PE) files?
PE files are files that are portable across all Microsoft 32-bit operating systems. The same PE-format file can be executed on any version of Windows 95, 98, Me, NT, and 2000. Therefore, all PE files are executable, but not all executable files are portable.
A good example of a Portable Executable is a screen saver (.scr) file.
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