What is %LOCAL APPDATA%\CEF? How dangerous is CEF? How to remove CEF?

I will tell you in this post how to fix the issue manually and how to clean it automatically using a special powerful removal tool. You can download the removal program for free here:


Some people found  %LOCAL APPDATA%\CEF on their PCs. AdwCleaner detects this folder as malicious.

But usually %LOCAL APPDATA%\CEF is a folder for storing data created by applications using CEF.

The Chromium Embedded Framework (CEF) is a simple framework for embedding Chromium-based browsers in other applications:

How dangerous is CEF?

Usually CEF folder contains USER DATA subfolder. It also contains subfolder related to the CEF applications.

My verdict: %LOCAL APPDATA%\CEF cannot be marked as malicious, because it is only a container for sub-folders. You do not delete Program Files if one sub-folder is bad.

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How to remove CEF malware?

Some CEF applications may contain adware/spyware etc. In this case I suggest you to delete a subfolder related to the malicious application.
Some legitimate application like Steam, Google Widevine use CEF.

Be careful to avoid damage your PC!
You can always check your PC for adware/malware/TRojans/spyware using UnHackMe.


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Click Remove button or False Positive.


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