Little Green skull on Google tabs

Hello. When i open a tab on brave mobile, and search anything on Google, it appears a little Green skull on the tab for a few seconds before the Google logo appears.

It happens only when its a tab on Google, doing any search.
Any other site, that skull doesnt appear.

**Brave Version( 1.47.1.75 chromium 109.0.5414.87

**Mobile Device details Android 12/SP1A. 210812. 016

I have already run three different antivirus/ad cleaner (malwarebytes, sophos and avast) and found nothing.

Also i have stopped brave, cleared its cache and all useless archive.

What is happening?

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