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andy_too

Suspected False Positive While Debugging in Visual Studio .NET

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Hi.  

I was firing up a debug session in Visual Studio .NET a bit earlier today, and Malwarebytes popped up telling me it detected and blocked a Ranson attack.  The debug session failed, and I got a warning inside Visual Studio about an inability to access a file it was trying to access as it completed a software build prior to launching the debugger.

Here's the summary:

Malwarebytes
www.malwarebytes.com

-Log Details-
Protection Event Date: 2/20/20
Protection Event Time: 5:35 PM
Log File: 31127742-5431-11ea-a0a1-00059a3c7800.json

-Software Information-
Version: 4.0.4.49
Components Version: 1.0.823
Update Package Version: 1.0.19514
License: Premium

-System Information-
OS: Windows 7 Service Pack 1
CPU: x64
File System: NTFS
User: System

-Ransomware Details-
File: 1
Malware.Ransom.Agent.Generic, C:\USERS\ANDY\APPDATA\LOCAL\TEMP\TMPDFCFDA62207242EBBA421712C36D2791.EXEC.CMD, Quarantined, 0, 392685, 0.0.0


(end)

I suspect this was a false positive and that the file produced was part of the VS.NET build process.  But I don't really know it for a fact.  

How can I help you guys determine if this was a false positive or not?

Thanks,

Andy

 

 

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Hi, 

Can you follow the directions here to grab the MBST logs and attach it here along with the file being detected?

Thanks.

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I followed the directions in the link you posted and responded to the email you sent by attaching the MBST log.  As mentioned in my email reply, the file in question no longer exists on my system.  If it's part of the normal VS.NET build process, then it makes sense that it's auto-deleted after the build completes.  

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I believe you might be having the same issue as this post. In the post, they suggest adding the VS Code installation directory as a folder exclusion.

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