Windows 10: Our client found submitted XLSX file as infect file or contains virus

Hi support TeamWe upload data into client's storage portal. Once they download the data, they found one XLSX file as infected.They file is not having Macros or VBA codeKindly help us to find what it causes to show it is infected.Below is error message showing to Client

:)

 

Microsoft Safety Scanner > Files Infected count

There's a bit of a UX problem with the scanner. As it is running it may encounter files that are suspected of being infected but indicate a count as: "Files Infected: XX"

This suggests the files are infected and apparently no list of these potentially infected files are provided.

1. Change the label to "Possible Infected Files"
   
2. Write to the msert log the list of possibly infected files for further review/action.
   

I say this as I let the tool run for over 3 hours, racking up over 20 "Files Infected". My computer was disconnected from the Internet during the scan. So I was surprised that the files in question were somehow "cleared" despite a lack of Internet connection.

From the log:

Results Summary:

----------------

No infection found.

Failed to submit MAPS report: 0x80072EE7

Failed to submit clean hearbeat MAPS report: 0x80072EE7

Microsoft Safety Scanner Finished On Sun Apr 30 13:20:56 2023

If the suspected files couldn't be submitted, then how were they cleared? Which files were suspected?

I appreciate the tool just cannot trust the results.

 

Submitted file password is non-standard, please submit a file with password 'infected'

When installing a program developed by us, a SMART SCREEN from WINDOW DEFENDER appears.

Since our program is free of MALWARE and VIRUS, we requested Microsoft to analyze the setup file (exe) of our program for malware in order to disable the SMART SCREEN.

The analysis showed no MALWARE, but we received the following response.

--> 'Submitted file password is non-standard, please submit a file with password 'infected'

Does this mean SMART SCREEN is off?

Waiting for a positive answer.

Thank you.

 

xlsx files can't open

Hello Donald,

.XLSX is a file extension for an open XML spreadsheet used by Microsoft Excel. For us to better assist you, we'd like to know the following:

• Confirm which build is currently installed on your device. To check, follow the steps below:

• Press Windows key + R, then type in winver.
• Click OK.

• Is Microsoft Excel installed on your computer? If yes, which version of Microsoft Excel are you using?
• Are you getting any error messages when opening the .xlsx files?
• Did you create the said file or was it downloaded from a certain source?

We look forward to your response.

Regards.