What is CoreSync.exe?

CoreSync is short for “Core Synchronizer.” The “.exe” shows that CoreSync.exe is an executable file.

CoreSync.exe is a genuine program that is a part of Adobe Acrobat or, in some cases, Adobe Photoshop. So, if you’re wondering to yourself, “Is CoreSync.exe a legit file?” the answer to your question is yes. However, there exist other defective versions of the program that cause various problems to computers.

This software enables users to create, view, edit, print, and annotate files in PDF.

Is CoreSync.exe a Virus?

No. But as previously mentioned, CoreSync.exe is an executable file, and this may sometimes harm your computer. Keep reading to find out whether the file on your computer is harmless or if it’s a virus that needs to be removed.

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Generally, the program is not visible and is located in a subfolder of “C:\Program Files (x86).” If you notice that CoreSync.exe is located in another file location other than what is known, there is a high likelihood that the program is harmful.

The program uses ports for connections to the internet or any other network. As a result, CoreSync.exe can monitor apps and record keyboard and mouse inputs. This puts data at risk of loss or theft.

Certain malware use the CoreSync.exe name as a way of disguise. The good news is that this malicious software is easily detectable by security tools such as Kaspersky.

CoreSync.exe Miner Trojan

CoreSync.exe Trojan looks like an ordinary Windows process, but it is a crypto-jacking malware that tries to conceal its true identity by using that file name. If you notice that the program is saved in a Windows folder or a temporary folder, it means that it most probably got there without your knowledge. The Trojan mines cryptocurrency for another person’s profit and at the expense of your device’s near 100% CPU utilization and exhaustive power consumption.

This Monero cryptocurrency miner causes regular crashing, as well as the freezing of graphics and other related drivers.

If you start noticing that CoreSync.exe Trojan is exploiting Microsoft processes, it’s in your best interest to remove it because it can degrade your computer’s lifespan. It tampers with Windows processes and causes changes to various files in the Windows OS. This malware is not easily detected by anti-malware software, but its action can stop since the suspicious code is detected.

CoreSync.exe Malware Distribution

The Trojan is spread in several different ways. We’ll focus on the two most common methods of distribution:

Third-party installation setup

Users are made to believe that they’re downloading useful software. In the process, freeware and other packages get installed on your computer without your consent. To prevent this from happening, select the “Custom/Advanced settings” during the installation.

Adverts and redirects to suspicious websites

The malware may also get injected into your computer if you click on pop-up ads or unknown links that send you to dubious websites.

Should CoreSync.exe be Removed?

CoreSync.exe is not a vital component of the Microsoft OS. Its main function is to aid in the running of processes that handle cloud synchronization. This means that if you wish, you can remove it, especially if you start experiencing any of the following problems:

  • Your computer becomes sluggish.
  • Your start receiving annoying error messages. Some of these messages include “Core Sync has stopped working” or “ has encountered a problem and needs to close.”

If you are not so sure about how to remove CoreSync.exe, you should consult a professional to avoid tampering or deleting the wrong file and causing irreversible damage to your computer.

You have three options if you start experiencing problems with CoreSync.exe. You can either:

  • Upgrade to a newer version
  • Seek help from a certified Adobe software vendor.
  • Completely uninstall Adobe Acrobat or Adobe Photoshop

How Do You Tell If CoreSync.exe Has Uninstalled Successfully?

After you have finished uninstalling CoreSync.exe, you should restart your computer and check if there is still any file with a similar name under “C:\Programs Files.”

You also need to check the registry for any remnants. To do so:

  1. Start “Regedit.”
  2. Check under “HKEY_LOCAL_MACHINE.”
  3. Go to “Software.”
  4. Look for files with a similar name as CoreSync.

What to Do If It Doesn’t Uninstall?

The best way to make sure that you have thoroughly removed all stubborn files is to use a robust uninstaller tool. This will clean your computer safely and accurately without any risk of any damage.


CoreSync.exe may not be a part of Windows, but it is important altogether. The software executes in the background, and users can terminate its action using the Task Manager. Undesirable variants of this program are believed to record keystrokes as well as cursor movements and track other applications. For this reason, CoreSync.exe is believed to be a potential threat. If CoreSync.exe starts causing problems for you, leverage a good Windows diagnostic tool.

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