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Okay, let’s tackle that wonderfully weird-sounding monstrosity – 4Enders, specifically the cryptic and somewhat unnerving "’.zXmI" (often affectionately called 4Enders for short. You wouldn't want to actually yell out that full length. It just... doesn't sound good).
What exactly
is
a 4Enders (.zxw) file, anyway?
Basically, we are dealing with the digital equivalent of an aggressively paranoid systems administrator who’s really bad at naming files. The 4Enders (.zxw) designation is a very specific and somewhat obsolete (2015-ish. You probably won't see this anymore unless you stumble into some seriously old stuff.) format used by, among others the 4Ends.
Here's how you unpack it:
1.
The Name is… There's No Guarantee:
It started as a scheme to obfuscate exactly what the file contained. You’d get things like "GedT.zxw", or... and here we go, the infamous ".zXmI,". The idea was that you wouldn’t have a clue by just glancing at the filename itself. 4Ends was a project of an obscure, paranoid programmer who wanted to keep their tool of network intrusion and covert access totally under the radar.
2.
.zxw – What it Actually
Is
(Sort Of):
The ".zx