Change logs for security intelligence update version 1.409.379.0

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

4/19/2024 9:00:14 AM

Added threat detections

Name	Severity
Program:MacOS/Ymacco.AA14	high
Trojan:HTML/Phish.VRTJ!MTB	severe
Trojan:HTML/Phish.VRTK!MTB	severe
Trojan:VBS/Obfuse.RTCA!MTB	severe
Trojan:Win32/GuLoader.KKJC!MTB	severe
Trojan:Win32/GuLoader.KLKC!MTB	severe
Trojan:Win32/WinLNK.DEEI!MTB	severe
TrojanDownloader:LNK/Pocaload.A	severe
TrojanDownloader:LNK/Pocaload.B	severe

Updated threat detections

Name	Severity
Adware:MacOS/MaxOfferDeal	high
Adware:MacOS/Multiverze	high
Adware:Win32/AdaEbook	high
Backdoor:PHP/Shell.M	severe
Backdoor:PHP/WebShell.EFS	severe
Backdoor:Win32/Multiverze	severe
BrowserModifier:Win32/Qiwmonk	high
Flooder:Linux/Multiverze	severe
HackTool:Linux/Multiverze	high
HackTool:Win32/AutoKMS	high
HackTool:Win32/Defendercontrol	high
HackTool:Win32/Keygen	high
Misleading:Linux/FastReverseProxy.A!MTB	high
Misleading:Win32/Lodi	high
Program:MacOS/Multiverze	high
Tool:Linux/Multiverze	moderate
Tool:MacOS/Multiverze	moderate
Tool:Unix/Multiverze	moderate
Trojan:HTML/Phish.RVAP!MTB	severe
Trojan:HTML/Refresh.G!MSR	severe
Trojan:Linux/Multiverze	severe
Trojan:MacOS/CoinHive	severe
Trojan:MacOS/Multiverze	severe
Trojan:MacOS/Occamy.AA	severe
Trojan:MacOS/Occamy.AB	severe
Trojan:MSIL/AgentTesla.FFSM	severe
Trojan:MSIL/AgentTesla.KABR!MTB	severe
Trojan:MSIL/AgentTesla.MBZY!MTB	severe
Trojan:MSIL/CymRan.ACA!MTB	severe
Trojan:MSIL/Cymulate!pz	severe
Trojan:MSIL/Formbook!MTB	severe
Trojan:MSIL/NightingaleStealer.IKAA!MTB	severe
Trojan:MSIL/Racoon.BR!MTB	severe
Trojan:MSIL/Redline.GMY!MTB	severe
Trojan:MSIL/RemLoader!MTB	severe
Trojan:MSIL/Seraph.RG!MTB	severe
Trojan:O97M/Obfuse.CM	severe
Trojan:PDF/Tnega!MSR	severe
Trojan:Win32/Acll	severe
Trojan:Win32/AgentTesla.RPQ!MTB	severe
Trojan:Win32/Casdet!rfn	severe
Trojan:Win32/CobaltStrike.LKAK!MTB	severe
Trojan:Win32/CryptInject.FB!MTB	severe
Trojan:Win32/Floxif.E	severe
Trojan:Win32/FormBook.RVAF!MTB	severe
Trojan:Win32/Glupteba.ASJ!MTB	severe
Trojan:Win32/GuLoader.KTTT!MTB	severe
Trojan:Win32/GuLoader.PDA!MTB	severe
Trojan:Win32/Guloader.SOP!MTB	severe
Trojan:Win32/ICLoader.JL!MTB	severe
Trojan:Win32/ICLoader.JLK!MTB	severe
Trojan:Win32/Leonem	severe
Trojan:Win32/Mamson.A!ac	severe
Trojan:Win32/ModiLoader.DEG!MTB	severe
Trojan:Win32/Multiverze	severe
Trojan:Win32/PhishLeonem	severe
Trojan:Win32/RedLine.LD!MTB	severe
Trojan:Win32/Remcos!MTB	severe
Trojan:Win32/RisePro.RP!MTB	severe
Trojan:Win32/Seheq!rfn	severe
Trojan:Win32/SmokeLoader.RDT!MTB	severe
Trojan:Win32/StealC.SPI!MTB	severe
Trojan:Win32/Stealerc.RP!MTB	severe
Trojan:Win32/SuspExecRep.A!cl	severe
Trojan:Win32/Tiny.EH!MTB	severe
Trojan:Win32/Vindor!pz	severe
Trojan:Win32/Zenpak.BW!MTB	severe
Trojan:Win64/Enigma	severe
Trojan:Win64/Konirat.A	severe
Trojan:XML/SuspBuild.MJ!ibt	severe
TrojanDownloader:BAT/AgentTesla.RP	severe
TrojanDownloader:O97M/Darkgate.DA!MTB	severe
TrojanDownloader:O97M/Donoff	severe
TrojanDownloader:Win32/Berbew!pz	severe
TrojanDownloader:Win32/Emotet!ml	severe
TrojanDropper:Win32/Salgorea.AI!MTB	severe
UwS:MacOS/Multiverze	high
Worm:Win32/AutoRun!atmn	severe
Worm:Win32/SillyShareCopy.E	severe