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Change logs for security intelligence update version 1.333.1331.0

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

3/26/2021 11:51:17 AM

Added threat detections

Name Severity
Behavior:Win32/SenseToVDMCreateFile21032605109.A severe
Behavior:Win32/SenseToVDMCreateFile21032605114.A severe
Behavior:Win32/SenseToVDMCreateFile21032605131.A severe
Behavior:Win32/SenseToVDMCreateFile21032605160.A severe
Behavior:Win32/SenseToVDMCreateFile21032605161.A severe
Behavior:Win32/SenseToVDMCreateFile2103260568.A severe
Behavior:Win32/SenseToVDMCreateFile210326058.A severe
Behavior:Win32/SenseToVDMProcessCreate21032605106.A severe
Behavior:Win32/SenseToVDMProcessCreate21032605119.A severe
Behavior:Win32/SenseToVDMProcessCreate21032605162.A severe
PUA:AndroidOS/OxyRooter.A!MTB severe
PWS:Win32/Ymacco.AA1B severe

Updated threat detections

Name Severity
Backdoor:MSIL/Bladabindi!rfn severe
Backdoor:MSIL/Noancooe!rfn severe
Backdoor:Win32/Zegost.THD severe
Behavior:Win32/EmsTlsJa3.A severe
Exploit:O97M/CVE-2017-11882!rfn severe
Exploit:O97M/CVE-2017-11882.DR!MTB severe
Exploit:O97M/Esulat.A!rfn severe
HackTool:Win32/BrowserPassview high
Misleading:Win32/Boresoto high
Misleading:Win32/Ditirise high
Misleading:Win32/Lodi high
Misleading:Win32/Opitdeps high
Misleading:Win32/ProPCCleaner high
Program:Win32/Ymacco.AA40 high
PWS:Win32/Fareit severe
Ransom:MacOS/Filecoder severe
Ransom:Win32/Ako severe
Ransom:Win32/Gandcrab severe
Trojan:HTML/Phish.DR!MTB severe
Trojan:JS/Nemucod.R!MTB severe
Trojan:MSIL/AgentTesla.MK!MTB severe
Trojan:MSIL/AgentTesla.PBW!MTB severe
Trojan:MSIL/Cryptor severe
Trojan:PDF/Phish!rfn severe
Trojan:Script/Phonzy.A!ml severe
Trojan:Win32/Ashify.J!rfn severe
Trojan:Win32/AutoItinject!ibt severe
Trojan:Win32/Bluteal!rfn severe
Trojan:Win32/Bluteal.B!rfn severe
Trojan:Win32/Casdet!rfn severe
Trojan:Win32/CoinMiner.BW!rfn severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Emotet!rfn severe
Trojan:Win32/Emotet.AC!rfn severe
Trojan:Win32/Gandcrab.AF severe
Trojan:Win32/Glupteba!ml severe
Trojan:Win32/Glupteba.D!rfn severe
Trojan:Win32/Masson.A!ac severe
Trojan:Win32/Matsnu.L severe
Trojan:Win32/Matsnu.R severe
Trojan:Win32/Occamy.A severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Occamy.C severe
Trojan:Win32/Predator.AR!MTB severe
Trojan:Win32/Ramnit.C severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Skeeyah.B!rfn severe
Trojan:Win32/Tiggre!rfn severe
Trojan:Win32/Tnega!ml severe
Trojan:Win32/Trickbot!Core severe
Trojan:Win32/VBObfuse.SS!MTB severe
Trojan:Win32/Ymacco.AA2A severe
Trojan:Win32/Ymacco.AA60 severe
Trojan:Win32/Ymacco.AAA4 severe
Trojan:Win32/Ymacco.AAC3 severe
Trojan:Win32/Ymacco.AB75 severe
TrojanDownloader:JS/Swabfex.P severe
TrojanDownloader:O97M/EncDoc.ARJ!MTB severe
TrojanDownloader:O97M/EncDoc.RXX!MTB severe
TrojanDownloader:O97M/IcedId.SS!MTB severe
TrojanDownloader:Win32/Emotet!ml severe
TrojanDownloader:Win32/Gratem.A severe
TrojanSpy:MSIL/Golroted.B severe
TrojanSpy:MSIL/Golroted.E severe
TrojanSpy:MSIL/Omaneat.B severe
TrojanSpy:Win32/Plimrost.B severe
TrojanSpy:Win32/SocStealer!rfn severe
Worm:Win32/Vobfus severe