Windows 10: Corrupted system files from sfc /scannow

Hi there, I'm having a serious trouble here. sfc /scannow finds corrupted files and I was infected by a trojan Ymacco and !BOB in system32. I can't update with windows update and troubleshoot reports waasmedic, is postback false and pending updates. I can't own local disk C:, impossible to enumerate files cryptography? I have AVG installed as internet security software. This from CBS log file2023-05-16 11:44:51, Info CSI 00000228 Warning: Overlap: Directory \??\C:\Program Files x86\ is owned twice or has its security set twice Original owner: Microsoft-Windows-shell32

:)

 

20H2 system files corrupted on a clean Windows installation sfc /scannow

Hi,

I have noticed that sfc /scannow corrected system files. I wonder. So I tested again on a clean Windows 10 20H2 installation and run directly after sfc /scannow.

Preparation for testing:

• I used VMware Workstation 16.0.0
• I created a new virtual machine with default Windows 10 profile
• I disabled the Network Adapter, the OS has
  no internet the whole process
• I used the latest official Windows 10 ISO file Win10_20H2_English_x64.iso (md5: e80f6ce987b2bba288469e7379129e12) Build 19042.508
  
• Mounted the ISO in VMware

Installation:

• So I started to install Windows 10
• Install Now, No product key, Windows 10 Home, Language en-us, install on the unformatted 60GB drive etc.
• After reboot, I used "no internet" for local Account, name: admin, no password, disabled all the telemetry trash

After successful start, I started directly cmd.exe with administrator privilegs and run sfc /scannow.

It will found corrupted systems files.





It didn't let me post the log here, so I made a Screenshot.

What is going on here?

I repeated the steps with de_windows_10_business_editions_version_20h2_x64_dvd_ce126f3b.iso (md5: 35df62707e53c2064641ccd5b91acb8d)

Type license: Enterprise

After repeating the steps above, the result is the same.

 

sfc/scannow corrupt file

sfc/scannow keeps finding corrupt files and fixing them

 

sfc/scannow corrupt file

sfc/scannow can fixing but every time find corrupt files and fixing them