Windows Defender

Windows Defender

Postby Natter » Wed Oct 18, 2023 8:40 am

Windows Defender has just been updated. As a result, all programs on the FW are automatically deleted.
The antivirus log says Program:Win32/Wacapew.C!ml
Trojan:Win32/Wacatac.B!ml

I, of course, put the deleted files in the exception. However , I would like to understand - is there a problem or not ?
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Re: Windows Defender

Postby Antonio Linares » Wed Oct 18, 2023 9:05 am

Dear Yuri,

What Windows version are you using ? Are you using latest updates ?

How to check the Windows defender version ?

Here it is working fine
regards, saludos

Antonio Linares
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Re: Windows Defender

Postby Natter » Wed Oct 18, 2023 9:26 am

The situation looks like this. On all local computers there is Windows 10 (the latest version),
90% of them have Kaspersky anti-virus installed. The other 10 are running Windows Defender.
Windows Defender is also installed on the Windows 2016 Data Center server.
Problems occurred when copying the file xx.exe from the local computer to the server -
Defender immediately deleted this file. There were similar problems on local computers with Windows Defender
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Re: Windows Defender

Postby Antonio Linares » Wed Oct 18, 2023 9:54 am

Have you tried to compress the EXE using upx or similar ?

This may help
regards, saludos

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Re: Windows Defender

Postby Natter » Wed Oct 18, 2023 10:27 am

I didn't do anything with the file. Everything happened within 1-2 minutes. The
server log says Windows Defender update. I was told that it was the latest version that started deleting files from Program:Win32/Wacapew.C!ml (before that it only warned)
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Re: Windows Defender

Postby Antonio Linares » Wed Oct 18, 2023 10:30 am

If you compress the EXE, the error may go away
regards, saludos

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Re: Windows Defender

Postby Natter » Wed Oct 18, 2023 10:49 am

Thanks, I'll try!
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Re: Windows Defender

Postby Jack » Wed Oct 18, 2023 12:02 pm

Hi,
Same problem here in Belgium Windows Defender and Windows 11 .
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Re: Windows Defender

Postby karinha » Wed Oct 18, 2023 12:40 pm

João Santos - São Paulo - Brasil - Phone: +55(11)95150-7341
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