Mac won’t boot, repeatedly restarts(kernel panic?)

Three things stand out from the report:

• Starting with the kernel panic issue, the Corolis kexts are located in /Library/Extensions. These should be deleted. No other kexts should be removed.

• You have an app "cleaner" installed. These are totally unnecessary and should removed as they cause more issues than resolve them.

• Your Mac's system hosts file appears to be corrupted. This may have been a result of a malware "infection." I see that you have Malwarebytes for Mac installed. I suggest running it a few times to see if it can find the cause.

Ref: How to edit your Mac's Hosts file, and why you would want to - iMore

Other than that, you Mac appears to need a good system cleanup. There are numerous kexts, drivers, etc. installed which you may no longer be using or need. I suggest that you take the time to review each one listed in this report and remove any that fall in this category. Note: Do so using the app's uninstall function and not by randomly deleting individual files.

See if you have a panic report (file's ending in .panic).  If you have more than 1, please post a couple as the differences can be very useful:

Look for the Kernel Panic reports at:

Finder -> Go -> Go to Folder -> /Library/Logs/DiagnosticReports 

<http://support.apple.com/en-us/HT200553>

The panic report should have ".panic" in the file name.

You can put the panic report in an "Additional Text" box when you Reply

If, AND ONLY IF, you have difficulty posting via "Additional Text"

then try posting to PasteBin.com, and give us a PasteBin URL link.

<http://pastebin.com/>

Hopefully, you have been making regular backups ...

... regardless, try steps 2, 5-7 in the following user tip article to see if they can help. In addition, if you can boot up in Safe Mode, as you stated, try step 8, and optionally, post the resultant report if you need any assistance with interpreting it.

Ref: Mac Basic Startup Troubleshooting Steps - Apple Community

Ian1402 wrote:

...this mac was school-managed so had a ton of software downloaded, maybe that's why? It's no longer school managed as I graduated, but I haven't wiped the mac and reinstalled like my school recommended.

Going back to your earlier reply and looking at your latest EtreCheck report, I strongly suggest that, instead of tweaking your Mac, that you completely erase it and reinstall a fresh copy of macOS. There are just too many extension, drivers, etc, that you may no longer need or use that are still impacting your Mac's performance.

Ref: How to reinstall macOS from macOS Recovery - Apple Support

Per change did you ever install any Coriolis software, like iPartition or iDefrag on your Mac? If so, the kernel extension: com.coriolis-systems.driver.Snapshot, may be the culprit causing these crashes. You should find it in the /Library/Extensions folder.

I think this is the reason for the kernel panics. If iDefrag has an uninstaller, I suggest that you completely remove it to. see if this stops the crashes. If it doesn't have a dedicated uninstaller, try reinstalling it again to see if it has an uninstall option.

If neither of those work, an EtreCheck report should identify the locations of where iDefrag left its "footprints," and you can try manually uninstalling each one.

I did notice that this system has more unsigned 3rd party apps then we typically see: 46

We typically see a handful, but 46 is a lot of 3rd party software downloaded which did not bother getting their app signed by Apple.

      Kernel Extensions in backtrace:  
com.coriolis-systems.driver.Snapshot(123.0)

As mentioned already, Coriolis is causing the panic on your system.