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Weird issue: Files keep copying themselves.

Hi We have a rather unusual case here and have certainly never come across it before.

Files on Desktop, Documents, Downloads etc. keep multiplying. Each file and shortcut present in those locations makes a copy of itself several times over. When it first happened it had more than 50 copies of same file.

The weirdest part is that when we manually delete duplicates, after a short while, sometimes almost instantaneously, they copy themselves all over again. The original files and all duplicates remain readable and 100% workable.

The workstation is on the domain, runs the latest anniversary update of Windows 10 Pro and doesn't seem to have any infections according to Malwarebytes and ESET (under constant AV/AM protection). The only thing I can think of it is a virus of some sort that is yet to be discovered by AV vendors, or Microsoft component gone rogue i.e. OneDrive, file history etc.

I don't suppose anyone come across this before?

Any help is deeply appreciated!
copies.PNG
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Safeserve
Asked:
Safeserve
4 Solutions
 
andreasSystem AdminCommented:
create another LOCAL user account (not a ms live one) and work files with that account and see what happens.

maybe its related to that specific user account.
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Dr. KlahnPrincipal Software EngineerCommented:
Check the system's Scheduled Tasks to see if there is anything running periodically that may be suspect.

Also get a copy of Microsoft Autoruns to see what is running in the system at startup time.
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nobusCommented:
1
Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

 
SafeserveAuthor Commented:
Thank you all for your kind help!

We have finally found the culprit. It is indeed the File History Backup. It must have gone haywire as it was constantly backing up and restoring files which now makes sense as to why there were so many copies of copies of copies of same files.

What triggered it is yet unknown. We think it may have been something to do with Windows 10 Anniversary update.
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nobusCommented:
good you found it
don't forget to close this Q
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SafeserveAuthor Commented:
We've managed to find the solution after trawling through web
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