Internet Browser launching by itself?

[Android Central Question]

For the past couple of days, my phone has randomly been launching chrome to some website saying that I need to update or that I won something from google. I haven't downloaded any new apps as of recent so it's probably not something that I downloaded and I only really use chrome to look up things once in a while. I have tried other internet browser and the same things keep happening. As of now, I have disabled/uninstall all the browser app and once in a while, I noticed the home button turning green and goes back to normal so I'm assuming something is trying to open up the browser but can't because there isn't any. I have tried using antivirus like malwarebytes and avast to do a scan but it couldn't find any issue. I have heard people saying that there may be an unnamed app that may have been installed but I have yet to see any suspicious app. Has anyone experienced anything similar to this?

 

[B. Diddy]

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[mustang7757]

Which phone, do you visit unsafe sites ?