Hi,
You can monitor the file creation using Process Monitor. Create filters that Event Class is File System, Operation is CreateFile and Path is C:\Windows\Temp\30786de4fa87fd17b8e66b75315968727820fc155cb19b90d879ef9133c1ba87. This will list the process that create the file. If the file created at boot time, choose Options - Enable Boot Logging to capture the boot-time activities.
https://learn.microsoft.com/en-us/sysinternals/downloads/procmon
Best Regards,
Ian Xue
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