Setup Problems

Trojan false positive in McAfee

Started by christoff85 on 5,567 views

Hi,

I've been using Your product for several years without any issues. Suddenly this week, NCrunch stopped working with very strange symptoms.
After several hours of investigation I found out, that McAffe antivirus flagged nCrunch.Core.dll as Trojan and deleted it from my hard drive.

As this is company PC I cannot alter McAfee in any way.
Is there any other option, to convince McAfee that Your product is 100% safe?

Best regards
Chris


These are the two scans with false positives:

First:
Analyzer / Detector
Analyzer content creation date 10.5.2023 9:24 AM
Product name McAfee Endpoint Security
Product version 10.7.0.2522
McAfee GTI query Yes
Task name On-Access Scan
Feature name On-Access Scan

Threat
Action taken Delete
Threat category Malware detected
Threat detected on creation No
Threat event ID 1027
Threat handled Yes
Threat name GenericRXVX-GX!D9B04E5C3803
Threat severity Critical
Threat timestamp 11.5.2023 3:36 PM
Threat type Trojan

Source
Source process name SYSTEM

Target
Target access time 11.5.2023 3:36 PM
Target create time 7.2.2023 3:52 PM
Target file size (bytes) 558080
Target hash d9b04e5c38034def22f07501566ef1cd

Target modify time 7.2.2023 3:52 PM
Target name nCrunch.Core.dll
Target path C:\Program Files\Microsoft Visual Studio\2022\Professional\Common7\IDE\Extensions\Remco Software\NCrunch for Visual Studio 2022
Target user name ZARZĄDZANIE NT\SYSTEM


Second:
Analyzer / Detector
Analyzer content creation date 9.5.2023 9:26 AM
Product name McAfee Endpoint Security
Product version 10.7.0.2522
McAfee GTI query Yes
Task name On-Access Scan
Feature name On-Access Scan

Threat
Action taken Delete
Threat category Malware detected
Threat detected on creation No
Threat event ID 1027
Threat handled Yes
Threat name GenericRXVX-GX!214BEC10815C
Threat severity Critical
Threat timestamp 10.5.2023 1:33 PM
Threat type Trojan

Source
Source process name SYSTEM

Target
Target access time 10.5.2023 1:33 PM
Target create time 3.11.2021 2:11 PM
Target file size (bytes) 504832
Target hash 214bec10815c260fc63fedb192238373
Target modify time 3.11.2021 2:11 PM
Target name nCrunch.Core.dll
Target path C:\Program Files\Microsoft Visual Studio\2022\Professional\Common7\IDE\Extensions\Remco Software\NCrunch for Visual Studio 2022
Target user name ZARZĄDZANIE NT\SYSTEM
Hi, thanks for sharing this issue.

False positives do appear from time to time. There's a whole world full of AV products out there and occasionally they get things wrong.

The vendors of AV products pretty much always have a form you can submit to declare that the file is a false positive. Unfortunately, this isn't a service we can handle as the developers of the software, as in most cases it needs to be handled by a licensed user. I suggest checking with McAfee for options on reporting the false positive. If you need to collect evidence that it's not a trojan, you can try submitting the file to one of the numerous scanner aggregation services which should show clear scans from all the other vendors.
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