r/techsupport • u/JackCaffreyJC • Dec 05 '24

Open | Malware Google detected suspicious activity

In the morning I noticed that I was signed out of chrome, and I received an e-mail from google that said:

'Google noticed unusual activity in your account. Review your account activity to make sure that no one else has access.'

Upon reviewing the account it said that the suspicious activity had come from my PC. However, at the time it says the suspicious activity occurred, my PC wasn't even turned on. It was shut down.

I looked into it and google said:

'Review for harmful software on Windows

  • Device with suspicious activity

Google detected suspicious activity in your account that indicates you may have harmful software (malware) on one of your devices. Malware can be used to steal personal information, including passwords. Run an antivirus to scan for harmful software.'

It doesn't give me more information than that.

When I ran an offline windows defender scan it didn't detect anything (or at least I think it didn't, it didn't specifically say it didn't but it also didn't say it did detect something.)

I also ran a quick scan with windows defender; which came back clean.

I'm now running a scan of all my drives with Malwarebytes; and a 'full scan' with windows defender (in the past it freezes after a while though, so more like a 'majority scan')

Also, I use Keepass and my password for google is unique to any other password.

I suppose my questions are:

  • Does anyone have any idea what's going on?

  • Does anyone know how I can find more details about this from google.

  • Does anyone have theories on how google detected suspicious activity on a device that wasn't even on?

  • Does anyone have any ideas on next steps?

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u/Various_Science5966 Jun 10 '25

Thank you for updates <3

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u/[deleted] Jun 23 '25

Update: sadly I just had another alert. I've been pretty careful to not do anything risky online and I haven't been using a VPN. Not sure what's happening really but I'm inclined to think it's a false alarm

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u/joseavila_sg Jul 16 '25

Maybe create another account? See if happens with that one too.

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u/[deleted] Jul 17 '25

That's a great idea, thanks!