Change logs for security intelligence update version 1.385.1537.0

This page lists newly added and updated threat detections included in security intelligence updates for Microsoft Defender Antivirus and other Microsoft antimalware. If you don’t find the latest security intelligence update version in the selector below, please refresh this page or let us know us know through the feedback smiley.

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Security intelligence update version

Released on

3/30/2023 2:48:53 AM

Added threat detections

Name	Severity
Trojan:MSIL/AgentTesla.PSJC!MTB	severe
Trojan:MSIL/AgentTesla.PSJE!MTB	severe
Trojan:MSIL/AgentTesla.PSJF!MTB	severe
Trojan:MSIL/AgentTesla.PSJJ!MTB	severe
Trojan:MSIL/Heracles.PSJG!MTB	severe
Trojan:MSIL/RedLine.RDAX!MTB	severe
Trojan:MSIL/RedLine.RDSA!MTB	severe
Trojan:PowerShell/Misalrut.A	severe
Trojan:Win32/Misalrut.B	severe
Trojan:Win32/Misalrut.MTA	severe
Trojan:Win32/RedLine.RDBA!MTB	severe
Trojan:Win32/RedLine.RDBB!MTB	severe
Trojan:Win64/IcedID.GHC!MTB	severe
TrojanDownloader:Java/Small!MTB	severe

Updated threat detections

Name	Severity
Exploit:O97M/CVE-2017-11882.RVIS	severe
Exploit:O97M/CVE-2017-11882.TG!MTB	severe
HackTool:Win32/Tnega!MSR	high
Program:Win32/Leonem	high
Ransom:Win32/Basta!MTB	severe
Ransom:Win64/Basta.BB	severe
Trojan:HTML/Phish!MSR	severe
Trojan:HTML/Phish.ALY!MTB	severe
Trojan:JS/Obfuse!MSR	severe
Trojan:JS/Obfuse.ALY!MTB	severe
Trojan:JS/Tnega.ALY!MTB	severe
Trojan:MSIL/AgentTesla!MTB	severe
Trojan:MSIL/AgentTesla.PXJ!MTB	severe
Trojan:MSIL/AgentTesla.TG!MTB	severe
Trojan:MSIL/FormBook.TG!MTB	severe
Trojan:MSIL/SnakeKeylogger.TG!MTB	severe
Trojan:PDF/Phish!MSR	severe
Trojan:VBS/Obfuse.ALY!MTB	severe
Trojan:Win32/Ekstak!MTB	severe
Trojan:Win32/FormBook.PXJ!MTB	severe
Trojan:Win32/FormBook.TG!MTB	severe
Trojan:Win32/Guloader.TG!MTB	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/Tedy!MTB	severe
Trojan:Win32/Tnega.PXJ!MTB	severe