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Since past few days I have been witnessing a really annoying or rather a creepy thing on my Dell Inspiron Windows 10 computer. Sometimes, after I switch on my computer, it starts playing a music clip which is around 10 seconds long. I don't understand how is it happening. I am certain that I have not installed any such thing my computer (at least knowingly). Few things to note,

  1. There are two such music clips. Either of them gets played or sometimes both of them gets played one by one.

  2. Sometimes the clip is played 1 time, sometimes 2 or 3.

  3. There is no fixed time. Sometimes it gets played after 5 minutes of starting my computer, sometimes 15.

  4. I have checked and I am certain that my browser is not causing it. In-fact, it gets played even when there are no open applications on my computer.

  5. It does not happen every time I switch on my computer.

Is it possible that my computer has been hacked or there is some sort of malware that is doing this. I know it sounds really silly but still it is really creepy and I want to know what is causing it.

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  • Next time it plays, you should really find out what initiated the executable. – Yorick de Wid Aug 25 '16 at 14:48
  • @YorickdeWid I don't know how to do that. Can you tell me briefly? – Chirag Agrawal Aug 25 '16 at 14:49
  • @Chirah Agrawel is anything (window) showing ? Or is it all happening in the background? – Yorick de Wid Aug 25 '16 at 14:50
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    It's not a jingle suggesting that you subscribe to Office365, is it? Because it is Windows 10, you know. :) – infixed Aug 25 '16 at 15:55
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    Check the startup applications on your machine. You should be able to figure out from there. Search for "See which processes start up automatically" on your Windows search bar. You will get the list of applications there. – Limit Aug 25 '16 at 23:07
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You could find out with an application like Process Explorer. It has a target symbol in the top bar, next to the CPU graph. You can drag this over process windows if it's present.

If it isn't you could try clicking the speaker bottom right and selecting 'mixer', this will show what process is making noise on modern Windows systems.

If that doesn't work you'll need to use Procmon to monitor file access events when it's happening. Both programs can be found here

If you locate the executable, run it through VirusTotal

Good luck!

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