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Minecraft LightWeightJavaGamingLibrary .jar detected as malware


detectiondude1

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Hi!

I don't play Minecraft anymore, but I got a detection yesterday that flagged the LightWeightJavaGamingLibrary .jar as malicious. I gave it a google and found this was reported last year to you guys and that you fixed it.

Not sure if something was added or manipulated, but it looks like it is being detected again. I run regular full scans and have had this file on my computer for a while, however it was just detected as of yesterday. Below is the log output from the detection.

 

Malwarebytes
www.malwarebytes.com

-Log Details-
Scan Date: 7/14/22
Scan Time: 9:26 PM
Log File: b820db16-03d4-11ed-a454-e86a64a3daa4.json

-Software Information-
Version: 4.5.11.202
Components Version: 1.0.1716
Update Package Version: 1.0.57245
License: Premium

-System Information-
OS: Windows 10 (Build #)
CPU: x64
File System: NTFS
User: System

-Scan Summary-
Scan Type: Custom Scan
Scan Initiated By: Scheduler
Result: Completed
Objects Scanned: #
Threats Detected: 1
Threats Quarantined: 1
Time Elapsed:

-Scan Options-
Memory: Enabled
Startup: Enabled
Filesystem: Enabled
Archives: Enabled
Rootkits: Enabled
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
Malware.AI.2241041873, C:\USERS\<user>\APPDATA\ROAMING\.MINECRAFT\LIBRARIES\ORG\LWJGL\LWJGL-OPENGL\3.2.2\LWJGL-OPENGL-3.2.2-NATIVES-WINDOWS.JAR, Quarantined, 1000000, -2053925423, 1.0.57245, 59ACBAD33746C252859395D1, dds, 01858984, B6E87A1D439BFA2F2DAB8E258278212E, F43182267B06C367FEDF1EA2C1BE6BE0483BC43531BF3A736CDF388B87E86139

Physical Sector: 0
(No malicious items detected)

WMI: 0
(No malicious items detected)

 

Thank you for taking the time to review my submission :)

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12 minutes ago, detectiondude1 said:

How could this detection FP be fixed so quickly?

Things can get fixed fast sometimes. After you recheck if it is still detected please update us.

 

38 minutes ago, detectiondude1 said:

Update Package Version: 1.0.57245

This is the current update version.

image.png.a0beefff032803f809b454b298eb014e.png

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Hi,

So I checked the quarantined items in Malwarebytes, the time stamp is different compared to the one in the logs I sent above, do you know why this would be the case?

image.thumb.png.4d97eaf6a2d981441caafe21e78d232a.png

 

I also experienced a random restart at 3:36PM today. I did not realize it was from Malwarebytes (since I have the "restart if needed to remove threat" selection added. I left my computer and when I came back, it was stuck on the restart screen, but it was frozen and I could not move my cursor. I waited like 15-20 min and then help the power button to power off. When I turned it back on, everything seemed normal.

Do you know why it would have froze when MB was attempting to restart? Could this have an impact on how it quarantined the threat?

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6 minutes ago, detectiondude1 said:

(since I have the "restart if needed to remove threat" selection added.

I would disable that function. It is off by default. You can do a restart when prompted after you close all other programs first to prevent restart issues.

Now I assume you have restored the item and rescanned? Was it detected again?

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I realized my file was slightly different than the detection before, mine is the "opengl" file in Minecraft. I took it out of quarantine and scanned it again and it did not show up. Would this be the same in depth scan as the scheduled full scan?

Also, would you like me to zip it and provide you the file or was the name enough?

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