The Jargon File (version 4.4.7, 29 Dec 2003):

Internet Exploiter
 n.

    Another common name-of-insult for Internet Explorer, Microsoft's overweight
    Web Browser; more hostile than Internet Exploder. Reflects widespread
    hostility to Microsoft and a sense that it is seeking to hijack,
    monopolize, and corrupt the Internet. Compare Exploder and the less
    pejorative Netscrape.