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Change logs for security intelligence update version 1.435.573.0

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

9/4/2025 5:58:35 AM

Added threat detections

Name Severity
Behavior:Win32/Mimikatz.SA severe
HackTool:Win32/EarthWorm.A high
Trojan:AndroidOS/Malbot!rfn severe
Trojan:JS/GootKitz!rfn severe
Trojan:Win32/Downloader!AMTB severe

Updated threat detections

Name Severity
Adware:AndroidOS/Ewind!rfn high
Backdoor:AndroidOS/Multiverze!rfn severe
Backdoor:Linux/Gafgyt!rfn severe
Backdoor:Linux/Mirai!rfn severe
Backdoor:Linux/TinyShell!MTB severe
Backdoor:Win32/Berbew!rfn severe
Backdoor:Win32/Bifrose!rfn severe
Backdoor:Win32/Koceg!rfn severe
Backdoor:Win32/Lauri!rfn severe
Backdoor:Win32/Padodor!rfn severe
Backdoor:Win32/Prosti!rfn severe
Backdoor:Win32/Rifdoor!rfn severe
Backdoor:Win32/Roxrat!rfn severe
Backdoor:Win32/Venik!rfn severe
Backdoor:Win32/Venik.E!dha severe
BrowserModifier:Win32/Diplugem!rfn high
DDoS:Win32/Stormser!rfn severe
Exploit:AndroidOS/Lotoor.A!MTB severe
Exploit:HTML/IframeRef!rfn severe
Exploit:JS/ShellCode!rfn severe
Exploit:O97M/CVE-2017-0199!rfn severe
Exploit:O97M/CVE-2017-11882!KZH severe
Exploit:O97M/CVE-2017-11882!rfn severe
Exploit:O97M/CVE-2017-11882.AT!MTB severe
Exploit:O97M/CVE-2018-0798!rfn severe
Exploit:O97M/DDEDownloader!rfn severe
HackTool:AndroidOS/Mesploit!rfn high
HackTool:Python/Impacket!rfn high
HackTool:Win32/Cobaltstrike!rfn high
HackTool:Win32/Crack!MTB high
HackTool:Win32/Crack!rfn high
HackTool:Win32/Keygen high
HackTool:Win32/Keygen!rfn high
HackTool:Win32/Multiverze!rfn high
HackTool:Win32/ProductKey!rfn high
Program:AndroidOS/Multiverze!rfn high
PWS:AutoIt/Passup.A severe
PWS:Win32/Fareit severe
PWS:Win32/Fareit!rfn severe
PWS:Win32/Simda!rfn severe
PWS:Win32/VB!rfn severe
PWS:Win32/Zbot!rfn severe
Ransom:AndroidOS/covidransom!rfn severe
Ransom:MSIL/Gorf!rfn severe
Ransom:Win32/Basta!rfn severe
Ransom:Win32/DarkTrace!rfn severe
Ransom:Win32/DelShad!rfn severe
Rogue:Win32/Multiverze severe
Spyware:AndroidOS/Multiverze!rfn high
Spyware:Linux/Multiverze!rfn high
Trojan:AndroidOS/Banker!rfn severe
Trojan:AndroidOS/Clicker.B!rfn severe
Trojan:AndroidOS/Coper!rfn severe
Trojan:AndroidOS/Joker!rfn severe
Trojan:AndroidOS/Multiverze!rfn severe
Trojan:AndroidOS/SpyNote!rfn severe
Trojan:BAT/Nemucod.UAR!MTB severe
Trojan:HTML/Adobe!rfn severe
Trojan:HTML/Cryxos!rfn severe
Trojan:HTML/FakeAlert!rfn severe
Trojan:HTML/FakeLogin!rfn severe
Trojan:HTML/Iframe!rfn severe
Trojan:HTML/Nemucod!rfn severe
Trojan:HTML/Phish!rfn severe
Trojan:HTML/Phishing!rfn severe
Trojan:HTML/Redirect!rfn severe
Trojan:HTML/Redirector!rfn severe
Trojan:HTML/ScrInject!rfn severe
Trojan:Java/Adwind.AV!MTB severe
Trojan:JS/Agent!rfn severe
Trojan:JS/Cryxos!rfn severe
Trojan:JS/Iframe!rfn severe
Trojan:JS/Miner!rfn severe
Trojan:JS/Nimda!rfn severe
Trojan:JS/Obfuse!rfn severe
Trojan:JS/Redirector!rfn severe
Trojan:Linux/CoinMiner!rfn severe
Trojan:Linux/Multiverze!rfn severe
Trojan:Linux/Xorddos!rfn severe
Trojan:MacOS/Multiverze!rfn severe
Trojan:MSIL/Agensla!rfn severe
Trojan:MSIL/AgentTesla!rfn severe
Trojan:MSIL/Amadey!rfn severe
Trojan:MSIL/Androm!rfn severe
Trojan:MSIL/Clipbanker!MTB severe
Trojan:MSIL/ClipBanker!rfn severe
Trojan:MSIL/Heracles!rfn severe
Trojan:MSIL/Injector!rfn severe
Trojan:MSIL/Lazy!rfn severe
Trojan:MSIL/Noon!rfn severe
Trojan:MSIL/Tinuke!rfn severe
Trojan:MSIL/WebShell!rfn severe
Trojan:MSIL/WMITask!rfn severe
Trojan:MSIL/Zilla!rfn severe
Trojan:O97M/Madeba.A!det severe
Trojan:O97M/Obfuse!rfn severe
Trojan:O97M/Obfuse.BD severe
Trojan:O97M/Obfuse.BH severe
Trojan:O97M/Obfuse.CJ severe
Trojan:PowerShell/Boxter!rfn severe
Trojan:PowerShell/QakBot!rfn severe
Trojan:Python/Multiverze!rfn severe
Trojan:Script/Multiverze!rfn severe
Trojan:Unix/Multiverze!rfn severe
Trojan:VBS/Crysan!rfn severe
Trojan:VBS/Obfuse!rfn severe
Trojan:VBS/Psyme!rfn severe
Trojan:VBS/RemcosRAT.SS!MTB severe
Trojan:Win32/Aenjaris!rfn severe
Trojan:Win32/Alevaul!rfn severe
Trojan:Win32/Autoit!rfn severe
Trojan:Win32/AutoitInject!rfn severe
Trojan:Win32/AutoitShellInj!rfn severe
Trojan:Win32/Autorun!rfn severe
Trojan:Win32/BatTamper!rfn severe
Trojan:Win32/Blihan!rfn severe
Trojan:Win32/Cerber!rfn severe
Trojan:Win32/Cerbu!rfn severe
Trojan:Win32/CoreWarrior!rfn severe
Trojan:Win32/CryptInject!rfn severe
Trojan:Win32/DarkCloud!rfn severe
Trojan:Win32/DBSRat!rfn severe
Trojan:Win32/DCRat!rfn severe
Trojan:Win32/Delpem!rfn severe
Trojan:Win32/Dibik!rfn severe
Trojan:Win32/Dinwod!rfn severe
Trojan:Win32/DllInject!rfn severe
Trojan:Win32/Doina!rfn severe
Trojan:Win32/Dorv!rfn severe
Trojan:Win32/Egairtigado!rfn severe
Trojan:Win32/Etset!rfn severe
Trojan:Win32/Fareit!rfn severe
Trojan:Win32/Floxif!rfn severe
Trojan:Win32/Flystudio!rfn severe
Trojan:Win32/Genie!rfn severe
Trojan:Win32/Gepys!rfn severe
Trojan:Win32/Glupteba!rfn severe
Trojan:Win32/Guloader!rfn severe
Trojan:Win32/Guloader.GQD!MTB severe
Trojan:Win32/Kepavll!rfn severe
Trojan:Win32/KoiLoader!rfn severe
Trojan:Win32/Krap!rfn severe
Trojan:Win32/Lazy!rfn severe
Trojan:Win32/Leonem!rfn severe
Trojan:Win32/LNKRunner!rfn severe
Trojan:Win32/LummaC!rfn severe
Trojan:Win32/LummaStealer!rfn severe
Trojan:Win32/Mavil!rfn severe
Trojan:Win32/Meterpreter!rfn severe
Trojan:Win32/Mofksys!rfn severe
Trojan:Win32/Multiverze!rfn severe
Trojan:Win32/MyDoom!rfn severe
Trojan:Win32/NabucurObfs!rfn severe
Trojan:Win32/NetUAbuse.A severe
Trojan:Win32/NetWire!rfn severe
Trojan:Win32/Occamy!rfn severe
Trojan:Win32/OnLineGames!rfn severe
Trojan:Win32/Pasta!rfn severe
Trojan:Win32/PhishLeonem!rfn severe
Trojan:Win32/Pincav!rfn severe
Trojan:Win32/PlugX!rfn severe
Trojan:Win32/Pomal!rfn severe
Trojan:Win32/PossibleMalware!rfn high
Trojan:Win32/Predator!rfn severe
Trojan:Win32/ProcessHijack!rfn severe
Trojan:Win32/Qbot!rfn severe
Trojan:Win32/Razy!rfn severe
Trojan:Win32/Redcap!rfn severe
Trojan:Win32/Sdum!rfn severe
Trojan:Win32/Seheq!rfn severe
Trojan:Win32/Sfuzuan!rfn severe
Trojan:Win32/ShortSeek!rfn severe
Trojan:Win32/Sisproc!rfn severe
Trojan:Win32/Spy!rfn severe
Trojan:Win32/SpyNoon!rfn severe
Trojan:Win32/Suschil!rfn severe
Trojan:Win32/SystemBC!rfn severe
Trojan:Win32/Tedy!rfn severe
Trojan:Win32/TimbreStealer!rfn severe
Trojan:Win32/Tinba!rfn severe
Trojan:Win32/Upatre!rfn severe
Trojan:Win32/Urelas!rfn severe
Trojan:Win32/VBClone!rfn severe
Trojan:Win32/VictoryGate!rfn severe
Trojan:Win32/Vindor!rfn severe
Trojan:Win32/Wacatac severe
Trojan:Win32/WinLNK!rfn severe
Trojan:Win32/WinLNK.UAR!MTB severe
Trojan:Win32/Ymacco!rfn severe
Trojan:Win32/Yomal!rfn severe
Trojan:Win32/Zbot!rfn severe
Trojan:Win32/Znyonm!rfn severe
Trojan:Win32/Zombie!rfn severe
Trojan:Win32/Zusy!rfn severe
Trojan:Win64/CobaltStrike!rfn severe
Trojan:Win64/CoinMiner!rfn severe
Trojan:Win64/Convagent!rfn severe
Trojan:Win64/Cosmu!rfn severe
Trojan:Win64/CryptInject!rfn severe
Trojan:Win64/DisguisedXMRigMiner!rfn severe
Trojan:Win64/GravityRat!rfn severe
Trojan:Win64/Lazy!rfn severe
Trojan:Win64/LummaStealer!rfn severe
Trojan:Win64/Maloder!rfn severe
Trojan:Win64/Meterpreter!rfn severe
Trojan:Win64/OyesterLoader!rfn severe
Trojan:Win64/Shaolaod!rfn severe
Trojan:Win64/ShellcodeRunner!rfn severe
Trojan:Win64/Tedy!rfn severe
Trojan:Win64/Zusy!rfn severe
Trojan:WinNT/Systex!rfn severe
TrojanClicker:JS/Faceliker!rfn severe
TrojanClicker:Win32/Zeriest!rfn severe
TrojanDownloader:HTML/ScrInject!rfn severe
TrojanDownloader:Java/Adwin.RX!MTB severe
TrojanDownloader:JS/AgentTesla!rfn severe
TrojanDownloader:JS/Nemucod!rfn severe
TrojanDownloader:JS/Remcos!rfn severe
TrojanDownloader:MSIL/Heracles!rfn severe
TrojanDownloader:O97M/Donoff severe
TrojanDownloader:O97M/Donoff!rfn severe
TrojanDownloader:O97M/Donoff.BJ severe
TrojanDownloader:O97M/Donoff.BM severe
TrojanDownloader:O97M/Donoff.DB!MTB severe
TrojanDownloader:O97M/Donoff.FH severe
TrojanDownloader:O97M/Donoff.RP!MTB severe
TrojanDownloader:O97M/Emotet severe
TrojanDownloader:O97M/Emotet!rfn severe
TrojanDownloader:O97M/Emotet.AQPD!MTB severe
TrojanDownloader:O97M/Emotet.ARJ!MTB severe
TrojanDownloader:O97M/Emotet.CSK!MTB severe
TrojanDownloader:O97M/Emotet.EXNQ!MTB severe
TrojanDownloader:O97M/Emotet.FSK!MTB severe
TrojanDownloader:O97M/Emotet.PDA!MTB severe
TrojanDownloader:O97M/Emotet.PKCU!MTB severe
TrojanDownloader:O97M/Emotet.PKCV!MTB severe
TrojanDownloader:O97M/Emotet.PP!MTB severe
TrojanDownloader:O97M/Emotet.PU!MTB severe
TrojanDownloader:O97M/Emotet.QYSM!MTB severe
TrojanDownloader:O97M/Emotet.RVL!MTB severe
TrojanDownloader:O97M/Emotet.SM!MTB severe
TrojanDownloader:O97M/Emotet.SP!MTB severe
TrojanDownloader:O97M/Emotet.SRS!MTB severe
TrojanDownloader:O97M/Emotet.SS!MTB severe
TrojanDownloader:O97M/Emotet.SSMK!MTB severe
TrojanDownloader:O97M/Emotet.SW!MTB severe
TrojanDownloader:O97M/EncDoc!rfn severe
TrojanDownloader:O97M/EncDoc.ARJ!MTB severe
TrojanDownloader:O97M/EncDoc.KFVU!MTB severe
TrojanDownloader:O97M/Gozi!rfn severe
TrojanDownloader:O97M/IcedID!rfn severe
TrojanDownloader:O97M/IcedID.YC!MTB severe
TrojanDownloader:O97M/Obfuse!rfn severe
TrojanDownloader:O97M/Obfuse.AD severe
TrojanDownloader:O97M/Obfuse.ASJ!MTB severe
TrojanDownloader:O97M/Obfuse.BK!MTB severe
TrojanDownloader:O97M/Obfuse.EI severe
TrojanDownloader:O97M/Obfuse.FR severe
TrojanDownloader:O97M/Obfuse.HL!rfn severe
TrojanDownloader:O97M/Obfuse.HR!MTB severe
TrojanDownloader:O97M/Obfuse.JH!MTB severe
TrojanDownloader:O97M/Powdow!MTB severe
TrojanDownloader:O97M/Powdow.ARJ!MTB severe
TrojanDownloader:O97M/Powdow.UPD!MTB severe
TrojanDownloader:O97M/Qakbot!rfn severe
TrojanDownloader:O97M/Trickbot.B severe
TrojanDownloader:O97M/Ursnif!rfn severe
TrojanDownloader:O97M/Ursnif.AL!MTB severe
TrojanDownloader:PowerShell/Elshutilo.CZ!eml severe
TrojanDownloader:PowerShell/PEDropper!rfn severe
TrojanDownloader:PowerShell/Plasti!rfn severe
TrojanDownloader:VBS/CoinMiner severe
TrojanDownloader:Win32/Andromeda!rfn severe
TrojanDownloader:Win32/Berbew!rfn severe
TrojanDownloader:Win32/Nemucod!rfn severe
TrojanDownloader:Win32/Unruy!rfn severe
TrojanDownloader:Win32/Upatre!rfn severe
TrojanDropper:AndroidOS/Multiverze!rfn severe
TrojanDropper:AndroidOS/SAgent!rfn severe
TrojanDropper:BAT/Obfuse!rfn severe
TrojanDropper:O97M/Adnel severe
TrojanDropper:O97M/Ursnif.AE!MTB severe
TrojanDropper:O97M/Vibro.A severe
TrojanDropper:Win32/Delf!rfn severe
TrojanDropper:Win32/Dinwod!rfn severe
TrojanDropper:Win32/Lamechi!rfn severe
TrojanDropper:Win32/Muldrop!rfn severe
TrojanDropper:Win32/Systex!rfn severe
TrojanDropper:Win32/VB!rfn severe
TrojanSpy:AndroidOS/FakeApp!rfn severe
TrojanSpy:AndroidOS/RewardSteal!rfn severe
TrojanSpy:AndroidOS/SmsSpy!rfn severe
TrojanSpy:Win32/Lydra!rfn severe
VirTool:Win32/DumpLsassProc.A severe
VirTool:Win32/DumpLsassProc.C severe
VirTool:Win32/Obfuscator!rfn severe
VirTool:Win32/VBInject!rfn severe
Worm:AutoIt/Victy!rfn severe
Worm:Win32/Allaple!rfn severe
Worm:Win32/AutoRun!rfn severe
Worm:Win32/Bundpil!rfn severe
Worm:Win32/Eggnog!rfn severe
Worm:Win32/Fesber!rfn severe
Worm:Win32/Ganelp!rfn severe
Worm:Win32/Jadtre!rfn severe
Worm:Win32/Mofksys!rfn severe
Worm:Win32/Multiverze!rfn severe
Worm:Win32/Sfone!rfn severe
Worm:Win32/Soltern!rfn severe
Worm:Win32/Torvil!rfn severe
Worm:Win32/Vobfus!rfn severe