ZoneIDTrimmer: Remove Zone.Identifier alternative data stream stored by Windows

ZoneIDTrimmer is a freeware that will help you quickly remove the Zone.Identifier alternative data stream stored by Windows, when it downloads files from the Internet.

Remove Zone.Identifier

It is the Attachment Manager in Windows protects you against unsafe attachments and downloads by identifying the file type and the respective security settings. Based on the Zone Information, if it identifies an attachment that might be unsafe, it prevents you from opening the file, or it warns you before you open the file. We have seen how to automatically unblock downloaded files or disable unblocking feature of Attachment Manager using the Group Policy or Registry Editor.

In this post we will see how to unblock individual files downloaded from the Internet easily with a click using ZoneIDTrimmer. ZoneIDTrimmer doesn’t change the content of your files; it only removes the Zone.Identifier alternative data stream. ZoneIDTrimmer will help you detect and remove the Zone.Identifier an alternative data stream (ADS) stored by Windows in files downloaded from the Internet, email attachments saved on your disk, etc, causing a security warning when these files are used.

After you have downloaded and installed this software,  the affected files and folders containing such files will be marked in File Explorer with an exclamation sign and “Trim Zone ID” command will be added to the context menu.

Identify the file whose Zone.Identifier you wish to remove. If you check its Properties, you will see the Blocked indicator.

blocked

Right click on this file and select Trim Zone ID.

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You will see a confirmation that the Zone ID has been removed.

ZoneIDTrimmer

Now check the Properties of this file again. You will not see the ‘Unblock’ option, since the file has already been unblocked.

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Thus, using this command you can get rid of Zone.Identifier stream in selected file or folder and prevent security warnings. The exclamation mark on such files will get removed.

remove zone.identifier

ZoneIDTrimmer download

You can download ZoneIDTrimmer from here. Worked just fine on my Windows 10 x64.

Also, check out:

  1. Phrozen ADS Revealer will reveal possible malicious ADS or Alternate Data Stream files in your Windows file system.
  2. GMER Rootkit Detector removes Alternate Data Streams, Drivers hooking SSDT, drivers hooking IDT, Drivers hooking IRP calls, etc.
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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.