If you are using any Avast Antivirus, including the free version and some of the major desktop e-mail clients (Microsoft Outlook, Mozilla Thunderbird, Zimbra Desktop, eM Client, Inky, Claws Mail), Avast automatically inserts e-mail footer signature into all your clean outgoing messages.

From the version 2016 also if you are using a web-based client (Gmail, Yahoo! Mail, Outlook Mail, Live Mail) in Google Chrome, Mozilla Firefox or Internet Explorer. The only browser in which the Avast signature is not inserted is Opera.

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It’s a part of the Avast Mail Shield, not the Anti-spam feature. The message is same for all users:

  • This email has been sent from a virus-free computer protected by Avast‘ if you are using Avast 2016
  • This email has been checked for viruses by Avast antivirus software‘ if you are using Avast 2014 or 2015
  • This email is free from viruses and malware because Avast Antivirus protection is active‘ if you are using Avast version 8 or older

Message can’t be customized, only turned on/off. By default it’s always enabled.

Latest Avast 2016 Footer Signature in Web-based Clients (Gmail, Yahoo! Mail, Outlook Mail, Live Mail)
Latest Avast 2016 Footer Signature in Web-based Clients (Gmail, Yahoo! Mail, Outlook Mail, Live Mail)

Avast footer signature – both in plain text and HTML formatsAvast Footer Signature – Both in Plain Text and HTML Formats

If you don’t like this message, there is a simple way how to disable it and remove it from your e-mails. Just follow the removal steps below.

Removal Steps for Avast 2016.1.1.2245 (Latest Version)

Disabling the signature is really easy if you are using the latest version of Avast 2016. Doesn’t matter if you have the Mail Shield installed or not. Follow the instructions below to do so:

  1. Go to your Avast interface by double-clicking on the orange icon in the Windows system tray. Or you can find Avast in the Windows Start menu » All Programs » Avast
  2. Once you’re in go to ‘Settings‘ by clicking on the cogwheel icon in the top-right corner of Avast user interface
  3. In the ‘General‘ section find option ‘Enable Avast email signature‘, simply un-check it and confirm by clicking on the ‘OK‘ button. See the screenshot below for reference
  4. Restart your browser and that’s all – your e-mails won’t contain the Avast e-mail footer signature anymore

Disabling the Avast E-mail Footer Signature in the Latest Version is Really EasyDisabling the Avast E-mail Footer Signature in the Latest Version is Really Easy

If you can’t find the settings directly in the ‘General’ section, you are probably using older version of Avast. Read the steps below which works for older versions.

Removal Steps for Avast 2016.11.1.2241 and Older, if you Have the Avast Mail Shield Installed

Follow these steps if you have the Avast Mail Shield component installed on your computer. If not follow the instructions in the next section ‘If you Have NOT the Avast Mail Shield Installed‘.

1. Open the Avast Interface

  • Go to your Avast interface by double-clicking on the orange icon in the Windows system tray. Or you can find Avast in the Windows Start » All Programs » Avast
  • Once you’re in go to ‘Settings’ » ‘Active Protection’ » Click on the ‘Customize‘ link in the ‘Mail Shield‘ row

List of active protection in the Avast 2016 – Look for the Mail Shield SettingsList of active protection in the Avast 2016 – Look for the Mail Shield Settings

2. Disable the Avast E-mail Footer Signature

  • Once the ‘Mail Shield Settings‘ windows will open, go to ‘Behavior‘ (second item from the top)
  • Now just look for ‘Insert note into clean message (outgoing)‘, simply un-check it, and confirm by clicking on the ‘OK‘ button
  • Restart your computer
  • That’s all – your e-mails won’t contain the Avast e-mail footer signature anymore

Mail Shield Behavior Settings in the Avast 2016 – Disabling the Footer Clean MessageMail Shield Behavior Settings in the Avast 2016 – Disabling the Footer Clean Message

Removal Steps 2016.11.1.2241 and Older, if you Have NOT the Avast Mail Shield Installed

If you don’t have Avast Mail Shield component installed you can either add it, change the settings and remove or you can change the settings via EmailShield.ini file.

Solution #1 – Add the Mail Shield Component, Change Settings and Remove It

  1. Navigate through the Start menu to ‘Programs‘ » ‘Programs and Features
  2. Find Avast in the list and click on ‘Change
  3. Avast Antivirus Setup will appear, click on ‘Modify‘ and check (if un-checked) the ‘Mail Shield‘ component. Click on ‘Change‘ and wait until the setup finishes. See the screenshot below for the reference
  4. Follow the steps above in the section ‘If you Have the Avast Mail Shield Installed‘ to disable the mail signature
  5. (Optional) Remove the Avast Mail Shield component same way you have added it

Adding/Removing Avast Mail Shield Component in Avast 2016Adding/Removing Avast Mail Shield Component in Avast 2016

Solution #2 – Change Settings in the EmailShield.ini File

  1. Open Windows Start menu and search for ‘notepad
  2. When the Notepad application appears (blue notebook icon), right-click on it and select ‘Run as administrator
  3. In the Notepad go to ‘File‘ » ‘Open…‘ (or press CTRL + O) and put there following path
    • Windows 7, 8, 8.1 and 10: C:\ProgramData\AVAST Software\Avast\EmailShield.ini
    • Windows XP: C:\Documents and Settings\All Users\Application Data\AVAST Software\Avast\EmailShield.ini
  4. Once the file is opened find these rows and change its values to zeros:
    • InsertNoteCleanMsgOut=0
    • InsertNoteCleanMsgIn=0
    • InsertNoteInfectedMsgIn=0
  5. Save the file by going to ‘File‘ » ‘Save‘ (or press CTRL + S) and confirm Avast dialog if needed

Disabling the Avast E-mail Footer Signature by Editing Settings in EmailShield.ini FileDisabling the Avast E-mail Footer Signature by Editing Settings in EmailShield.ini File

In case the file EmailShield.ini doesn’t exist, create it with the following contents and put it on the exact location from step 1. Alternatively you can download EmailShield.ini here (right-click » save link as).

[EmailScanner]

InsertNoteCleanMsgOut=0
InsertNoteCleanMsgIn=0
InsertNoteInfectedMsgIn=0

Content of the EmailShield.ini File for Disabling the Avast E-mail Signature

Big thanks for this solution to liam-89, who have posted it on the Avast Forum.

Additional Notes

Although we have used Avast Free Antivirus 2016 screenshots in this article, these steps are also applicable for all Avast Antivirus solutions (i.e. also for Avast Pro Antivirus, Avast Internet Security, or Avast Premier) running the latest version available.

Steps are relevant for all Windows versions – Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10 (including Anniversary Update).

Steps for removal will work on the following e-mail clients:

  • Desktop Microsoft OutlookMozilla ThunderbirdeM Client, Windows Live MailInkyClaws Mail, Zimbra
  • Web-based – Gmail, Yahoo! Mail, Outlook Mail, Windows Live Mail

And on following browsers Google Chrome, Mozilla Firefox, Internet Explorer

Written by Paul B. | Team GetAvast.net

My name is Paul and I love Avast since the Home Edition v4.8 (2008). I am recommending it to all my friends, but I realized they don't know how to use it. So I started this site in order to help others getting maximum from this awesome antivirus. Feel free to contact me via Facebook, comments below or this form.

This article has 251 comments | Did we miss anything? Just let us know in the comments!

  1. Patrick Reply

    Why does this get re-enabled with *every* update? If I’ve already unchecked it, I don’t expect it to get ticked again with every update. Absolutely ludicrous.

  2. John William Reply

    Commercials keeps radio stations alive.
    Commercials helps to keep the price of magazines low.
    Commercials gives you free TV.
    Even on a mobile people use free app’s and don’t mind commercials.

    Why should AVAST not advertise for itself? – Only a short minded comments on something that is, please note, FREE!

    Then again; AVAST gives a extensive explanation on their website to make the settings to your own’s liking.

    IF you can go better, than go – refrain from non info.

  3. Hate avast Reply

    Why would anyone use junk software like Avast? You seriously think its OK for them to take over people’s email and spam everyone they contact?

    If Avast was a good antimalware, it’d remove itself.

  4. Jason Doucette Reply

    Avast. You have enabled this without asking. I turned it off. Then you re-enabled it months later. Yes, that was you. Stop it. Stop that.

  5. Aaron Begg Reply

    I have antivirus software to stop things happening to my computer without my permission. If the antivirus software tries to do things to my computer without my permission, then it is just as bad as a virus, and will never be touched again.

  6. Julie Bove Reply

    Why does Avast DELIBERATELY use a malformed signature delimiter to stop mail and news clients from automatically removing it from replies? NO EXCUSE, shame on avast.

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