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The full story goes here

In short, I surfed darkweb on android(updated android 10, now 11) carelessly and ignored some hijack warnings(2 of them) by Tor (warnings came in the form of a purple webpage that was supposed to be the page where automatic ad redirected) on a couple of ads.

Now, basically I did not found anything downloaded, nor did the antivirus softwares. Also, there are no unwanted apps. But I want to make sure nothing is going on there.

How can I spot the anomaly (if its there)?

Should I factory reset my phone?

Can my phone be rooted without me noticing anything?

Can a virus or spyware hide itself very smartly without any trace?

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  • @vidarlo what do you mean? I posted that question too and provided its link in the question. My question here is asking for a different thing.
    – looooop
    Feb 9, 2021 at 16:35
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    It's essentially the same question...
    – vidarlo
    Feb 9, 2021 at 16:58
  • Please do not repost closed questions. We are not a malware removal site nor tech support. Malware can do anything the device can do, so everything you suggest is possible. What has actually happened to your phone is not something we can help with.
    – schroeder ♦
    Feb 9, 2021 at 21:35

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Yes, it is absolutely possible for a zero day exploit to be used to infect an up-to-date device and root it. Its also absolutely possible for spyware to be installed that no anti-virus currently detects and that leaves no trace that an ordinary user would notice. Its also possible for malware to persist even after the device has been reset. However, these all require a significant amount of skill and resources to be pulled off and are therefore less likely to occur in the wild. Zero days are not cheap. Unless you are a high value target, its unlikely that anybody would waste the resources to infect you.

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