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Change logs for security intelligence update version 1.431.452.0

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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Released on

7/7/2025 3:09:32 PM

Added threat detections

Name Severity
Phish:HTML/FakeLogin.SGY!MTB severe
Phish:HTML/Redirector.SDE!MTB severe
Trojan:Win32/GuLoader.LSW!MTB severe

Updated threat detections

Name Severity
Adware:Linux/Multiverze!rfn high
Adware:Win32/Kazaa high
Backdoor:AndroidOS/Multiverze!rfn severe
Backdoor:ASP/Buonpower.A!dha severe
Backdoor:ASP/PhantomShell.A severe
Backdoor:Java/WebShell.D!dha severe
Backdoor:Linux/Dakkatoni.az!MTB severe
Backdoor:Linux/Mirai.EF!MTB severe
Backdoor:MacOS/Mettle severe
Backdoor:MSIL/DCRat!rfn severe
Backdoor:PHP/Chopper.C!dha severe
Backdoor:PHP/Webshell.T severe
Backdoor:Win32/Berbew!rfn severe
Backdoor:Win32/Bladabindi!ml severe
Backdoor:Win32/Padodor!rfn severe
BrowserModifier:BAT/Shafmia!MTB high
BrowserModifier:MSIL/MediaArena high
Exploit:HTML/CVE-2010-3343!rfn severe
Exploit:HTML/Shellcode.G severe
Exploit:HTML/Shellcode.G!MSR severe
Exploit:JS/Aimesu.J severe
Exploit:JS/Mult.AB severe
Exploit:JS/Mult.BG severe
Exploit:JS/Mult.DJ severe
Exploit:JS/SetSlice.B severe
Exploit:JS/ShellCode.gen severe
Exploit:Linux/CVE-2016-6664 severe
Exploit:Linux/Multiverze!rfn severe
Exploit:Linux/Nhttpd severe
Exploit:Linux/ShllCod.A!MTB severe
Exploit:Win32/CVE-2020-15492 severe
Exploit:Win32/Pdfjsc severe
Exploit:Win64/2014-4113 severe
HackTool:MSIL/SharpHound!MTB high
HackTool:Python/Impacket!MSR high
HackTool:Python/Impacket.AAK high
HackTool:Python/SAgnt.D!MTB high
HackTool:Win32/AutoKMS!MTB high
HackTool:Win32/Chisel!rfn high
HackTool:Win32/Chisel.A high
HackTool:Win32/crack high
HackTool:Win32/Keygen!MSR high
HackTool:Win32/Keygen!MTB high
HackTool:Win32/Meterpreter.A!dll high
HackTool:Win32/Netcat high
Program:AndroidOS/Multiverze!rfn high
Ransom:MSIL/Syrk.AD severe
Ransom:Win32/DarkSide.MFP!MTB severe
Ransom:Win64/Ransomhub!rfn severe
Trojan:AndroidOS/AVerseFalc!rfn severe
Trojan:AndroidOS/Multiverze!rfn severe
Trojan:Java/Multiverze!rfn severe
Trojan:JS/Agent severe
Trojan:JS/Cryxos!MTB severe
Trojan:JS/DarkCloud.AB!MTB severe
Trojan:Linux/Meterp!rfn severe
Trojan:Linux/Meterp.Gen severe
Trojan:Linux/Multiverze!rfn severe
Trojan:Linux/SAgnt!MTB severe
Trojan:Linux/SAgnt.X!MTB severe
Trojan:Linux/Samblad.A!MTB severe
Trojan:MacOS/Empyre.B!MTB severe
Trojan:MacOS/Multiverze!rfn severe
Trojan:MacOS/Rakkotonak.A severe
Trojan:MSIL/AgentTesla.RAV!MTB severe
Trojan:MSIL/AgentTesla.RVGY!MTB severe
Trojan:MSIL/AsyncRAT!rfn severe
Trojan:MSIL/CryptInject!MTB severe
Trojan:MSIL/DCRat!rfn severe
Trojan:MSIL/FormBook.RVK!MTB severe
Trojan:MSIL/LummaC!rfn severe
Trojan:MSIL/PureLogStealer!MTB severe
Trojan:MSIL/RedLineStealer!MTB severe
Trojan:MSIL/RevengeRAT.E!MTB severe
Trojan:MSIL/SnakeKeylogger!MTB severe
Trojan:MSIL/SnakeKeylogger.RVC!MTB severe
Trojan:MSIL/Xworm!MTB severe
Trojan:PHP/WebShell!MSR severe
Trojan:PowerShell/GuLoader!rfn severe
Trojan:PowerShell/Obfuse.SG!MSR severe
Trojan:PowerShell/ReverseShell.SA severe
Trojan:Script/Malgent!MSR severe
Trojan:Script/Sabsik!rfn severe
Trojan:VBS/Emotet!rfn severe
Trojan:VBS/GuLoader!rfn severe
Trojan:Win32/AgentTesla!MTB severe
Trojan:Win32/AutoitInject!rfn severe
Trojan:Win32/BatTamper.A severe
Trojan:Win32/Ceevee severe
Trojan:Win32/CobaltStrike!rfn severe
Trojan:Win32/DBatLoader.VD!MTB severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Egairtigado!rfn severe
Trojan:Win32/Etset!rfn severe
Trojan:Win32/Fareit!rfn severe
Trojan:Win32/Flystudio!MTB severe
Trojan:Win32/Formbook!MTB severe
Trojan:Win32/GULoader!MTB severe
Trojan:Win32/GuLoader!rfn severe
Trojan:Win32/GuLoader.GLW!MTB severe
Trojan:Win32/GuLoader.GMA!MTB severe
Trojan:Win32/GuLoader.GMB!MTB severe
Trojan:Win32/GuLoader.GMD!MTB severe
Trojan:Win32/GuLoader.GMP!MTB severe
Trojan:Win32/GuLoader.GNR!MTB severe
Trojan:Win32/GuLoader.GNV!MTB severe
Trojan:Win32/GuLoader.GNW!MTB severe
Trojan:Win32/GuLoader.LNN!MTB severe
Trojan:Win32/GuLoader.LPF!MTB severe
Trojan:Win32/GuLoader.LQJ!MTB severe
Trojan:Win32/GuLoader.LRJ!MTB severe
Trojan:Win32/GuLoader.LSI!MTB severe
Trojan:Win32/GuLoader.PSD!MTB severe
Trojan:Win32/GuLoader.PSE!MTB severe
Trojan:Win32/GuLoader.PSH!MTB severe
Trojan:Win32/GuLoader.PSI!MTB severe
Trojan:Win32/GuLoader.QSI!MTB severe
Trojan:Win32/GuLoader.RAG!MTB severe
Trojan:Win32/GuLoader.RAH!MTB severe
Trojan:Win32/GuLoader.RAT!MTB severe
Trojan:Win32/GuLoader.RAU!MTB severe
Trojan:Win32/GuLoader.RJO!MTB severe
Trojan:Win32/GuLoader.RJR!MTB severe
Trojan:Win32/Guloader.SA!MTB severe
Trojan:Win32/GuLoader.SAF!MTB severe
Trojan:Win32/GuLoader.SAI!MTB severe
Trojan:Win32/GuLoader.SAM!MTB severe
Trojan:Win32/GuLoader.SRG!MTB severe
Trojan:Win32/Ipamor!rfn severe
Trojan:Win32/Kepavll!rfn severe
Trojan:Win32/Killmbr!MTB severe
Trojan:Win32/Lazy!MTB severe
Trojan:Win32/Leonem severe
Trojan:Win32/Leonem!rfn severe
Trojan:Win32/Lodap!rts high
Trojan:Win32/Malgent severe
Trojan:Win32/Mimikatz!rfn severe
Trojan:Win32/Multiverze!rfn severe
Trojan:Win32/NSISInject.SKJ!MTB severe
Trojan:Win32/OffLoader!MTB severe
Trojan:Win32/PhishLeonem!rfn severe
Trojan:Win32/PlugX!rfn severe
Trojan:Win32/Pomal!rfn severe
Trojan:Win32/Redline!rfn severe
Trojan:Win32/Rozena!MTB severe
Trojan:Win32/Rugmi!MSR severe
Trojan:Win32/Sabsik.TE.B!ml severe
Trojan:Win32/SchoolGirl!MTB severe
Trojan:Win32/Skeeyah severe
Trojan:Win32/SnakeKeylogger!rfn severe
Trojan:Win32/SnakeKeylogger.RVA!MTB severe
Trojan:Win32/Suschil!rfn severe
Trojan:Win32/Swrort.AB!MTB severe
Trojan:Win32/Tedy!MTB severe
Trojan:Win32/Tisifi.RB severe
Trojan:Win32/Upatre!rfn severe
Trojan:Win32/Vagger!rfn severe
Trojan:Win32/VBClone!rfn severe
Trojan:Win32/Zbot!MTB severe
Trojan:Win32/Znyonm severe
Trojan:Win32/Znyonm!rfn severe
Trojan:Win32/Zombie!rfn severe
Trojan:Win32/Zusy!MTB severe
Trojan:Win64/Bumblebee!rfn severe
Trojan:Win64/CobaltStrike.APC!MTB severe
Trojan:Win64/CobaltStrike.ZM!MTB severe
Trojan:Win64/DonutLoader.PCO!MTB severe
Trojan:Win64/Lazy!MTB severe
Trojan:Win64/Lazy.ETL!MTB severe
Trojan:Win64/LummaStealer!MTB severe
Trojan:Win64/LummaStealer!rfn severe
Trojan:Win64/Mikey!MTB severe
Trojan:Win64/ShellcodeInject.INC!MTB severe
Trojan:Win64/Tedy!MTB severe
Trojan:Win64/XLoader!MTB severe
Trojan:Win64/Zusy!MTB severe
TrojanDownloader:JS/Seena.C severe
TrojanDownloader:MSIL/AsyncRAT!rfn severe
TrojanDownloader:PowerShell/NetSupportRat.LRN!MTB severe
TrojanDownloader:W97M/Adnel severe
TrojanDownloader:Win32/Berbew!rfn severe
TrojanDownloader:Win32/Convagent!mclg severe
TrojanSpy:Win32/Skeeyah.A!rfn severe
Worm:Win32/Conficker.B severe
Worm:Win32/Sasser.dam severe
Worm:Win32/Soltern!rfn severe