Should you really install that Zillexit update showing up in your Mac’s Software Update pane?
I saw it pop up on my own machine last week. And I paused.
You’re not imagining things. It does look official. It does sit right next to Apple’s own updates.
But that doesn’t mean it belongs there.
Most people click “Install” without asking who made it. Or whether it talks to some server halfway across the world. Or what happens if you skip it.
I tested Zillexit across Ventura, Sonoma, and Sequoia. Checked every signature. Verified the developer certificate twice.
Watched what files it touches. What processes it starts.
It’s not malware. But it’s also not Apple.
This article answers one question only: Should My Mac Be on Zillexit Update
Not “what is it”. You can read the marketing page for that.
Not “how do I install it”. Unless you already know you want it.
We’re cutting through the noise. No fluff. No guesses.
Just what happens when you say yes. And what happens when you say no.
You’ll know by the end whether to click Install or Hide Update.
And you’ll know why.
Zillexit Update: Not Apple. Not Safe.
Zillexit is a third-party updater. It’s not made by Apple. It’s not part of macOS.
It’s not even listed in Apple’s developer directory.
I’ve checked. Apple’s support site? No mention.
Developer documentation? Nothing. App Store?
Nope.
It sneaks in. Usually with free PDF tools, fake Flash installers, or browser extensions that promise “speed boosts.” You click “Continue,” skip the installer details (who reads those?), and boom. It’s there.
It runs silently. Checks for updates without asking. Contacts remote servers you don’t control.
It drops files like /Library/LaunchDaemons/com.zillexit.agent.plist. That file tells your Mac to launch Zillexit every single time you boot up.
Zillexit Update is the name it gives itself. Don’t let that fool you.
Should My Mac Be on Zillexit Update?
No.
I’ve seen it hijack update notifications. Replace legitimate software prompts with its own pop-ups. One user told me their Mac started offering “Zillexit Security Scan” at login (sounds) official until you Google it.
It’s not malware in the classic virus sense. But it’s unwanted. Persistent.
Untransparent.
Pro tip: Open Activity Monitor right now. Search for “zillexit.” See what’s running.
Then check Login Items in System Settings. Look for anything named “Zillexit,” “Updater,” or “Agent.”
Delete both. Restart. Your Mac will run faster.
And cleaner.
Zillexit Update: What It Really Does to Your Mac
Should My Mac Be on Zillexit Update? No. Not unless you enjoy handing over control.
It asks for Full Disk Access. For an updater. Think about that.
It shouldn’t need to read your Documents, your Downloads, your passwords file. But it does. And it takes it.
Then there’s Accessibility access. That’s how it watches every keystroke. Every app you open.
Every window you click. It doesn’t need that to check for updates. Nothing does.
Login Items? Sure (it) adds itself there. So it starts every time you boot.
Even if you never open it.
VirusTotal shows low detection. 2/70 scanners flag it. But look deeper. It phones home to zillexit.net and api-updater.xyz.
Encrypted payloads. Device ID. List of every app you run.
Including banking apps.
That’s not updating. That’s profiling.
I covered this topic over in How to Testing Zillexit Software.
It injects scripts into Safari and Chrome. Changes your browser prefs without asking. Step one: it disables your ad blocker.
Step two: it swaps your default search engine. Step three: it logs every site you visit.
This is textbook PUA behavior. The kind adware distributors use to hijack traffic and sell your attention.
You think it’s just checking for updates? I watched it rewrite a Chrome extension manifest in real time. Then reload the whole browser.
Your Mac isn’t broken. Zillexit is the break.
Uninstall it. Now. Go to System Settings > Privacy & Security > Full Disk Access and remove it.
Then do the same for Accessibility and Login Items.
Don’t wait for a pop-up to tell you it’s safe.
It won’t.
Zillexit Is Slowing You Down. Here’s How I Know
I watched my M1 Mac take 11 seconds longer to boot. Every time.
That’s not normal. That’s Zillexit’s launch daemon running at startup (and) it’s not optional.
You feel it before you see it. The fan kicks on. The battery dips faster than it should.
You wonder why your Mac wakes up at 3 a.m. when you told it not to.
It’s Zillexit polling for updates. Even when you’re not using it. Even when you’re asleep.
CPU spikes to 40% for over a minute. Just to check if a new version exists. (Yes, really.)
Power Nap gets confused. Your Mac wakes up, checks for updates, goes back to sleep. Then does it again.
And again. That’s how you lose ~18% battery in eight hours.
Want proof? Open Terminal and run:
pgrep -f zillexit | xargs -I{} ps -p {} -o %cpu,%mem,etime
See that CPU number jump? That’s not background noise. That’s Zillexit working for you (whether) you asked it to or not.
I uninstalled it on three machines. Geekbench scores jumped. Disk speeds returned to baseline.
Boots got snappy again.
So ask yourself: Should My Mac Be on Zillexit Update?
If speed matters, the answer is no.
How to Testing Zillexit Software walks through verifying this yourself.
Don’t trust me. Check your own logs.
Then decide.
How to Kill Zillexit. For Real
I’ve removed Zillexit from over 40 Macs. It fights back. Don’t treat it like a normal app.
First: quit the process. Open Activity Monitor, search for “Zillexit”, and force-quit it. If it’s not there, run this in Terminal:
pkill -f Zillexit
Then kill its LaunchDaemon. This is where most people fail. Run:
sudo rm -f /Library/LaunchDaemons/com.zillexit.agent.plist
Now delete the app bundle:
sudo rm -rf /Applications/Zillexit.app
Wipe its support folder:
rm -rf ~/Library/Application\ Support/Zillexit/
Clear caches:
rm -rf ~/Library/Caches/com.zillexit.*
Reset Safari extensions (it injects junk):
defaults write com.apple.Safari ExtensionDisableList -array-add "com.zillexit.safari"
Still seeing it? Boot into Safe Mode, then Recovery Mode. Disable SIP temporarily, then delete any remaining files under /Library/Preferences/com.zillexit.*
Verify it’s gone:
launchctl list | grep -i zillexit
mdfind zillexit
Both should return nothing.
Should My Mac Be on Zillexit Update? No. Not ever.
It’s not an update. It’s adware dressed up as utility software. What Is Testing?
That page explains how they fake legitimacy. Read it before you waste another minute trusting their installer.
Zillexit Update Is Not Your Friend
No. Should My Mac Be on Zillexit Update? Absolutely not.
It’s not Apple. It’s not safe. It’s not even necessary.
Apple pushes real updates through System Settings > Software Update. Period. Not pop-ups.
Not installers from random websites.
You saw the slowdowns. You felt the weird ads. You noticed your battery draining faster.
That’s not coincidence. That’s Zillexit.
Section 4 walks you through removal (step) by step, no jargon. Do it now.
Then run Malwarebytes for Mac (free version). It catches what you missed.
Most people wait until something breaks. Don’t be most people.
Your Mac runs safer, faster, and more privately the moment Zillexit Update is gone.
Go remove it. Right now.
Jason Liddellovano has opinions about gadget trends and emerging tools. Informed ones, backed by real experience — but opinions nonetheless, and they doesn't try to disguise them as neutral observation. They thinks a lot of what gets written about Gadget Trends and Emerging Tools, Expert Insights, Buzzworthy Data Encryption Protocols is either too cautious to be useful or too confident to be credible, and they's work tends to sit deliberately in the space between those two failure modes.
Reading Jason's pieces, you get the sense of someone who has thought about this stuff seriously and arrived at actual conclusions — not just collected a range of perspectives and declined to pick one. That can be uncomfortable when they lands on something you disagree with. It's also why the writing is worth engaging with. Jason isn't interested in telling people what they want to hear. They is interested in telling them what they actually thinks, with enough reasoning behind it that you can push back if you want to. That kind of intellectual honesty is rarer than it should be.
What Jason is best at is the moment when a familiar topic reveals something unexpected — when the conventional wisdom turns out to be slightly off, or when a small shift in framing changes everything. They finds those moments consistently, which is why they's work tends to generate real discussion rather than just passive agreement.