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False Positive on ChiaPlotStatus (MachineLearning/Anomalous.95%)


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Detection log for staff

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 4/27/21
Scan Time: 9:56 AM
Log File: bc19c7ce-a768-11eb-8536-001a7dda7102.json

-Software Information-
Version: 4.3.0.98
Components Version: 1.0.1273
Update Package Version: 1.0.39863
License: Premium

-System Information-
OS: Windows 10 (Build 19042.928)
CPU: x64
File System: NTFS
User: I7-PC\SAPC

-Scan Summary-
Scan Type: Custom Scan
Scan Initiated By: Manual
Result: Completed
Objects Scanned: 4
Threats Detected: 1
Threats Quarantined: 0
Time Elapsed: 0 min, 8 sec

-Scan Options-
Memory: Disabled
Startup: Disabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Disabled
Heuristics: Enabled
PUP: Detect
PUM: Detect

-Scan Details-
Process: 0
(No malicious items detected)

Module: 0
(No malicious items detected)

Registry Key: 0
(No malicious items detected)

Registry Value: 0
(No malicious items detected)

Registry Data: 0
(No malicious items detected)

Data Stream: 0
(No malicious items detected)

Folder: 0
(No malicious items detected)

File: 1
MachineLearning/Anomalous.95%, C:\MALWARE TEST\CHIAPLOTSTATUS\CHIAPLOTSTATUS\CHIAPLOTSTATUS.DLL, No Action By User, 0, 392687, 1.0.39863, , shuriken, , 242A39D318D7D8683617FC0744044F2B, CD4F5AE03D2892D8D45DE18AEA29670F6BC547977FD8A509679841D5060AD2E2

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)


(end)

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  • Staff

Hi,

This is detected by our MachineLearning engine, which helps to protect even better against 0day threats. Unfortunately, as this is a heuristic engine, it's possible False Positives happen. Also see here for more explanation: https://forums.malwarebytes.com/topic/238670-machinelearninganomalous-detections-and-explanation/
Thanks for reporting these, as this helps to finetune the engine, so these won't be detected in the future anymore.

This should be fixed by now. Please give it some time (max 10 minutes) in order to have it populate, so detection won't happen anymore.

 

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1 hour ago, grayfallstown said:

Hi,

according to VirusTotal malwarebytes still detects is as Anomalous

The attached file is not detected by the consumer or commercial versions of Malwarebytes.

The engine format and configuration in VirusTotal is different than the consumer and corporate products’ default configuration. In VirusTotal Malwarebytes uses a command-line engine with different configuration and detection techniques/heuristics which might detect more than the commercial product. There are also false-positive suppression mechanisms in the commercial product which are not present in the command-line engine in VirusTotal.

This will eventually fix itself in Virustotal as well, as Malwarebytes has no control over this. Virus Total is having trouble reaching Malwarebytes cloud.

Edited by Porthos
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