[Exim] New virus?

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Either

A) some spammer clued in that I have disallowed e-mail with
.pif/.exe/.bat/.com/etc (using the filter from the exim website and
decided to try to send me a virus in a zip file,

or

B) There's actually a new virus out there that puts itself into a zip file
to appear "more safe" to users...

It said "The attachment should explain itself."

Anyone heard of this one?
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