Change logs for security intelligence update version 1.403.474.0

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

12/14/2023 7:17:32 AM

Added threat detections

Name	Severity
Behavior:Win32/Exeselrun.B!gen	severe
Behavior:Win32/Squibda.A	severe
Trojan:Linux/KeyPlug.B	severe
Trojan:MSIL/AgentTesla.JF!MTB	severe
Trojan:Win32/Copak.KAR!MTB	severe
Trojan:Win32/GuLoader.KLLQ!MTB	severe

Updated threat detections

Name	Severity
Backdoor:Win32/RewriteHttp.A	severe
Behavior:Win32/FollowWebshell.F	severe
Behavior:Win32/GenCodeInjector.E	severe
Behavior:Win32/SuspGacInstall.A	severe
Behavior:Win32/SuspPasswordFilter.A	severe
Exploit:O97M/CVE-2017-11882.TGS!MTB	severe
Program:Win32/Ymacco.AA41	high
PUA:MacOS/ExtInstall	severe
PUA:Win32/CoinMine	severe
PUA:Win32/FRProxy	severe
PUA:Win32/HWebServer	severe
PUA:Win32/InstallCore	severe
PUA:Win32/Linkury	severe
PUA:Win32/NscAuth	severe
PUA:Win32/RDPWrap	severe
PUA:Win32/Softcnapp	severe
PUA:Win32/SpeedChecker	severe
PUA:Win32/SpeedingUpMyPC	severe
PUA:Win32/VrBrothers	severe
PUA:Win32/Ymacco	severe
PUA:Win32/Youfile	severe
PUAAdvertising:Win32/2345Cn	severe
PUAAdvertising:Win32/AdLoad	severe
PUAAdvertising:Win32/PCAppStore	severe
PUABundler:Win32/CandyOpen	severe
PUABundler:Win32/MSetup	severe
PUABundler:Win32/VkDJ_BundleInstaller	severe
PUADlManager:Win32/OfferCore	severe
PUADlManager:Win32/OpenDownloadManager	severe
PUADlManager:Win32/Sepdot	severe
PUAMarketing:Win32/Comscore	severe
PUAMiner:Win32/CoinMiner	severe
PUAMiner:Win64/NiceHashMiner	severe
PUAMiner:Win64/PhoenixMiner	severe
PUAMiner:Win64/XMRig	severe
PUATorrent:Win32/BitTorrent	severe
PUATorrent:Win32/Funshion	severe
PUATorrent:Win32/PullUpdate	severe
PUATorrent:Win32/QBitTorrent	severe
PUATorrent:Win32/uTorrent	severe
Ransom:Win32/Cobra	severe
Trojan:HTML/Phish!MSR	severe
Trojan:JS/Obfuse!MSR	severe
Trojan:MSIL/CryptInject!MSR	severe
Trojan:MSIL/Lazy.ALZ!MTB	severe
Trojan:MSIL/Malgent!MSR	severe
Trojan:PDF/Phish!MSR	severe
Trojan:Script/Malgent!MSR	severe
Trojan:Win32/Carbanak	severe
Trojan:Win32/Casdet!rfn	severe
Trojan:Win32/Cobaltstrike!Beac	severe
Trojan:Win32/Leonem	severe
Trojan:Win32/Leonem.DEB	severe
Trojan:Win32/LummaStealer!MSR	severe
Trojan:Win32/Malagent!MSR	severe
Trojan:Win32/Malgent!MSR	severe
Trojan:Win32/Stealer!MSR	severe
Trojan:Win32/Ymacco.AAEF	severe
Trojan:Win64/Malgent!MSR	severe