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When trying to access files quarantined by Windows Defender or another antivirus program, I receive 0xC0000906 STATUS_VIRUS_INFECTED error. How can I programmatically lock a file, so another program will see this error code? Is there Windows API the security software is using?

twieczor
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  • write own mini-filter driver, which return this status. but not think that exist sense do this – RbMm Sep 09 '21 at 20:44
  • Whether you want to check if a file contains a virus programmatically? If so, I suggest you could refer to the thread: https://stackoverflow.com/questions/602670/how-would-you-programmatically-test-a-file-for-viruses – Jeaninez - MSFT Sep 10 '21 at 06:14
  • I don't want to check the file, I want to quarantine it the way Windows Defender/AntiVirus software does, or at least notify the WD/AV that a file needs to be quarantined. Perhaps the "mini-filter driver" would work to block access to the file. – twieczor Sep 10 '21 at 17:49

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