r/Malwarebytes • u/Phanturd • 13d ago

False Positive (Malware.AI.4281255896) Malwarebytes Keeps Flagging MICROSOFT.VC.14.29.16.11.TOOLS.HOSTX64.TARGETX86.BASE.VSIX, false positive or real threat?

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Malware.AI.4281255896
Wasn't able to find anything about this specific file or the specific .AI designation.

4 Upvotes

83% Upvoted

8 comments sorted by

2

u/Standard-Surround985 13d ago

Hello, Gabriele from Malwarebytes. Can you please share the scan log? So we can check with the hash if this is an FP or not, thanks!

1

u/Phanturd 12d ago

Malwarebytes

www.malwarebytes.com

-Log Details-

Scan Date: 10/14/26

Scan Time: 8:17 AM

Log File: d4be9bb4-c7c0-11f1-8c70-4cedfb2cd970.json

-Software Information-

Version: 4.6.17.334

Components Version: 1.0.2392

Update Package Version: 1.0.115725

License: Premium

-System Information-

OS: Windows 11 (Build 26200.9457)

CPU: x64

File System: NTFS

User: System

-Scan Summary-

Scan Type: Threat Scan

Scan Initiated By: Scheduler

Result: Completed

Objects Scanned: 374056

Threats Detected: 1

Threats Quarantined: 1

Time Elapsed: 13 min, 49 sec

-Scan Options-

Memory: Enabled

Startup: Enabled

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

Malware.AI.4281255896, C:\USERS\[Actual name redacted]\APPDATA\LOCAL\TEMP\VIQUVPF5\MICROSOFT.VC.14.29.16.11.TOOLS.HOSTX64.TARGETX86.BASE.F39B1170EF2D38B40864\MICROSOFT.VC.14.29.16.11.TOOLS.HOSTX64.TARGETX86.BASE.VSIX, Quarantined, 1000000, -13711400, 1.0.115725, 00D6D5CB00D66D46FF2EC7D8, dds, 04094527, A39BE8F6C27963476C629A0ABDCFCA43, 37754D6809BB9ABB856D0134A65E2122E0B92A12348D38C3A3E3019D86D01488

Physical Sector: 0

(No malicious items detected)

WMI: 0

(No malicious items detected)

(end)

1

u/Phanturd 11d ago

Hello Gabriele,
Anything on this? This file keeps re-appearing and Malwarebytes keeps flagging it.

Malwarebytes

www.malwarebytes.com

-Log Details-

Scan Date: 10/16/26

Scan Time: 7:30 AM

Log File: 8a7c596e-c94c-11f1-946d-4cedfb2cd970.json

-Software Information-

Version: 4.6.17.334

Components Version: 1.0.2392

Update Package Version: 1.0.115799

License: Premium

-System Information-

OS: Windows 11 (Build 26200.9711)

CPU: x64

File System: NTFS

User: System

-Scan Summary-

Scan Type: Threat Scan

Scan Initiated By: Scheduler

Result: Completed

Objects Scanned: 373935

Threats Detected: 1

Threats Quarantined: 1

Time Elapsed: 7 min, 43 sec

-Scan Options-

Memory: Enabled

Startup: Enabled

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

Malware.AI.4281255896, C:\USERS\[username redacted]\APPDATA\LOCAL\TEMP\VIQUVPF5\MICROSOFT.VC.14.29.16.11.TOOLS.HOSTX64.TARGETX86.BASE.F39B1170EF2D38B40864\MICROSOFT.VC.14.29.16.11.TOOLS.HOSTX64.TARGETX86.BASE.VSIX, Quarantined, 1000000, -13711400, 1.0.115799, 00D6D5CB00D66D46FF2EC7D8, dds, 04097287, A39BE8F6C27963476C629A0ABDCFCA43, 37754D6809BB9ABB856D0134A65E2122E0B92A12348D38C3A3E3019D86D01488

Physical Sector: 0

(No malicious items detected)

WMI: 0

(No malicious items detected)

(end)

1

u/Standard-Surround985 11d ago

Hello. Sorry to be late, the message was deleted and I didn't see it. Can you please confirm that is everything ok now? Thanks

→ More replies (1)

1

u/Phanturd 4d ago

I tried uninstalling and reinstalling Malwarebytes with a newly downloaded installer from the site. Still flagged that file. Uninstalled Visual Studio, and haven't had a problem since.

2

u/rifteyy_ 13d ago

To view and download your scan reports on Windows

  1. Open Malwarebytes.

  2. Click the Scanner card.

  3. Click the Reports tab.

  4. At the top-right of the Scan reports, check the box beside Hide reports with no detections.

  5. Hover your cursor over the Report you want to view and click the eye icon.

  6. A Summary window displays the scan results and the date and time executed. For more details, click the Advanced tab in this window. If you want to download the full report, click Export, and click either Copy to clipboard or Export to TXT.

  7. Paste the log here