Skip to main content

Change logs for security intelligence update version

This page lists newly added and updated threat detections included in security intelligence updates for Windows 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.

Looking for the latest update? Download the latest update

Released on

Added threat detections

No new threat detections added in selected update

Name Severity
Ransom:MacOS/Mabouia.A!MTB severe
Trojan:MacOS/Macsweeper.A!MTB severe
Trojan:MacOS/XAgent.A!MTB severe
Trojan:PowerShell/Casur.CS!eml severe
Backdoor:MacOS/Meddlingmetal.A severe
DDoS:Linux/Mirai.PB!MTB severe
PUA:MacOS/Genieo.AC severe
PUA:MacOS/MacBooster.B!MTB severe
PUA:MacOS/MacBooster.B!MTB severe
PUA:MacOS/MacEnizer!MTB severe
PWS:MSIL/Fareit.PP!MTB severe
PWS:Win32/Fareit.PP!MTB severe
Ransom:Win32/Dopplepaymer.A severe
Ransom:Win32/Maze.PA!MTB severe
Ransom:Win32/Maze.PA!MTB severe
Ransom:Win32/Maze.PB!MTB severe
Trojan:AndroidOS/Locker.RB!MSR severe
Trojan:Linux/BackConn.A!MTB severe
Trojan:Linux/BackConn.B!MTB severe
Trojan:Linux/BackConn.B!MTB severe
Trojan:Win32/Agent.PVD!MTB severe
Trojan:Win32/Azorult.GJ!MTB severe
Trojan:Win32/Bladabindi.RB!MSR severe
Trojan:Win32/CryptInject.PDS!MTB severe
Trojan:Win32/IcedID.PDSK!MTB severe
Trojan:Win32/TrickBot.PVD!MTB severe
Trojan:Win32/TrickBot.VDSK!MTB severe
TrojanDropper:VBS/Dridex.A!MSR severe
HackTool:Win32/LSASecretsView.BH high
Trojan:AndroidOS/Koler.TA!MSR severe
Trojan:MSIL/CryptInject.RN!MSR severe
Trojan:MSIL/CryptInject.RT!MSR severe
Trojan:AndroidOS/Koler.TA!MSR severe
Behavior:Win32/Trickbot.B severe
Trojan:Win32/CryptInject.CD!MTB severe
Trojan:Win32/Emotet.AW!MSR severe
Trojan:Win32/Brushaloader.S!MSR severe
Trojan:Win32/CryptInject.YW!MSR severe
Trojan:Win32/Neksiyu.A severe
TrojanDownloader:O97M/Emotet.RG!MTB severe
Adware:Win32/Qjwmonkey.A!MSR high
Backdoor:MacOS/ShellReverseTcp!MTB severe
Backdoor:MSIL/Razy.G!MTB severe
Backdoor:MSIL/Razy.G!MTB severe
PUA:MacOS/Bundlore.CG!MTB severe
PUA:MacOS/Bundlore.CG!MTB severe
Ransom:MSIL/Cyborg.SA!MSR severe
Trojan:Win32/CryptInject.PB!MTB severe
Trojan:Win32/Emotet.AO!MTB severe
Trojan:Win32/Hancitor.PK!MTB severe
TrojanDownloader:MSIL/Perseus.GG!MTB severe
TrojanDownloader:O97M/Emotet.RF!MTB severe
TrojanDropper:O97M/Obfuse.QY!MTB severe
Trojan:MSIL/Fareit.VA!MTB severe
Trojan:Win32/Fareit.VA!MTB severe
Trojan:Win32/ShadeCrypt.SR!!Shade.gen!SD severe
Trojan:Win32/XSharkRat.PA!MTB severe
TrojanDownloader:O97M/Emotet.GF!MTB severe
Trojan:Win32/AgentTesla.W!MTB severe
PWS:MSIL/Fareit.VV!MTB severe
Trojan:Win32/Dridex.D!MSR severe
Trojan:Win32/Emotet.AP!MSR severe
Trojan:Win32/Emotet.CC!MTB severe
Trojan:Win32/Emotet.CD!MTB severe
TrojanDownloader:Win32/Yantai!MSR severe
Trojan:HTML/Maluco!MSR severe
Trojan:Java/Adwind.F!eml severe
Trojan:Linux/Shmusho severe
Trojan:Linux/Shmusho severe
Trojan:Win32/Emotet.AN!MTB severe
Trojan:Win32/Lokibot.CR!MTB severe
Trojan:Win32/Lolopak.A!MSR severe
TrojanDownloader:PowerShell/Genbhv.B!MSR severe
TrojanDropper:O97M/GraceWire.D!MTB severe
Backdoor:Win32/Kworker.S!MSR severe
PWS:Win32/Fareit.VV!MTB severe
Trojan:MSIL/Tiny.H!MTB severe
Trojan:MSIL/Pwsteal!MSR severe
TrojanDownloader:HTML/Emlattach!MSR severe
Trojan:AutoIt/CryptInject.BB1!MTB severe
Trojan:AutoIt/CryptInject.BB1!MTB severe
Trojan:JS/Pdfjsc.CS!eml severe
Trojan:PDF/Phish.CS!eml severe
Trojan:Win32/Mispadu.PA!MTB severe
PUA:MacOS/AMCleaner.C!MTB severe
Ransom:O97M/Locky.EY!MTB severe
Ransom:O97M/Locky.EY!MTB severe
Ransom:Win32/Buran.A severe
Ransom:Win32/FileCoder.SA!MSR severe
Trojan:Win32/Emotet.GO!MTB severe
Trojan:Win32/Emotet.GO!MTB severe
Trojan:Win32/Keylogger.PB!MTB severe
Trojan:Win32/VBKrypt.AA!MTB severe
TrojanDownloader:MSIL/NRatTiny.B!MSR severe
Trojan:AndroidOS/Looter.A!MTB severe
Trojan:PDF/Phishing.CS!MSR severe

Updated threat detections

No threat detections updated in selected update

Name Severity
PUA:MacOS/MacBooster.B!MTB severe
PUA:MacOS/MacBooster.B!MTB severe
PWS:Win32/Fareit.P!MTB severe
PWS:Win32/Zbot!MTB severe
Trojan:HTML/CoinMiner severe
Trojan:HTML/Phish!MSR severe
Trojan:MSIL/CryptInject!MSR severe
Trojan:MSIL/XShark.A!MTB severe
Trojan:Win32/Azorult.GJ!MTB severe
Trojan:Win32/Lokibot.SN!MTB severe
Trojan:Win32/LokiBot.SR!MTB severe
Trojan:Win32/VMProtect severe
TrojanDownloader:O97M/Emotet.RG!MTB severe
TrojanDownloader:O97M/Obfuse.QX!MTB severe
TrojanDownloader:Win32/Gippers.VI!MTB severe
Trojan:Win32/TrickBot.RL!MSR severe
Trojan:HTML/Phish!MSR severe
Trojan:O97M/Phish!MSR severe
Trojan:Win32/Emotet.CA!MTB severe
Adware:Win32/Qjwmonkey.A!MSR high
Backdoor:MSIL/Razy.G!MTB severe
Exploit:O97M/CVE-2017-11882!MTB severe
FriendlyFiles low
Trojan:Win32/Dridex!MSR severe
Trojan:Win32/Lokibot.D!MTB severe
TrojanDownloader:MSIL/Perseus.GG!MTB severe
TrojanDownloader:O97M/Donoff severe
TrojanDownloader:O97M/Ursnif.AO!MTB severe
Backdoor:MSIL/Bladabindi!MSR severe
Exploit:O97M/CVE-2017-11882!MSR severe
PUA:MacOS/Bundlore.CG!MTB severe
Trojan:HTML/FakeAlert!MSR severe
Trojan:HTML/Phish!MSR severe
Trojan:MSIL/CryptInject!MSR severe
Trojan:PDF/Phish.CS!eml severe
Trojan:Win32/CryptInject!MSR severe
Trojan:Win32/Emotet!MSR severe
Trojan:Win32/Emotet.H!MTB severe
Trojan:Win32/Fakntor.A!MSR severe
Trojan:Win32/Fareit!MSR severe
Trojan:Win32/Lolopak.A!MSR severe
Trojan:Win32/Nanobot!MSR severe
TrojanDownloader:MSIL/Perseus.GG!MTB severe
TrojanDownloader:O97M/Emotet.RF!MTB severe
TrojanDownloader:VBS/Nemucod!MTB severe
Exploit:O97M/CVE-2017-11882!MSR severe
FriendlyFiles low
HackTool:Win32/Keygen!MSR high
Trojan:PDF/Phish severe
Trojan:PDF/Phish!MSR severe
Trojan:Win32/CryptInject.AR!MTB severe
Trojan:Win32/Lodbak!lnk severe
Trojan:Win32/Skeeyah.A!MTB severe
Trojan:Win32/Trickbot.PA!MSR severe
Trojan:Win32/Trickbot.PB!MSR severe
TrojanDownloader:O97M/MalSpam!MTB severe
Trojan:MSIL/Fareit.MP!MTB severe
TrojanDownloader:VBS/Safter.A!MSR severe
BrowserModifier:Win32/Foxiebro high
FriendlyFiles low
Trojan:Win32/CryptInject!MSR severe
Trojan:Win32/Trickbot.SA!MSR severe
TrojanDownloader:JS/Nemucod severe
TrojanDownloader:O97M/Emotet.RE!MTB severe
Backdoor:Linux/Shellshock.A!MTB severe
Backdoor:Win32/Sinowal severe
Exploit:O97M/CVE-2017-11882 severe
Exploit:O97M/CVE-2017-11882!MSR severe
HackTool:Win32/CheatEngine!MSR high
Trojan:HTML/Phish!MSR severe
Trojan:Win32/CryptInject!MSR severe
Trojan:Win32/Emotet!MTB severe
TrojanDownloader:O97M/MalSpam!MTB severe
TrojanDownloader:VBS/Obfuse!MSR severe
TrojanDropper:O97M/Donoff.F!MSR severe
TrojanSpy:Win32/Swotter!MSR severe
Ransom:MSIL/Stupid.G!MTB severe
Trojan:Java/Adwind!MSR severe
TrojanDownloader:O97M/MalSpam!MTB severe
Backdoor:MSIL/Bladabindi!MSR severe
Exploit:O97M/CVE-2017-11882!MSR severe
Trojan:MSIL/CryptInject!MSR severe
Trojan:Win32/AutoitInject!MSR severe
Trojan:Win32/CryptInject!MSR severe
TrojanSpy:Win32/Noon!MSR severe
Exploit:O97M/CVE-2017-11882!MSR severe
Misleading:Win32/Lodi high
TrojanDownloader:MSIL/NRatTiny.B!MSR severe
TrojanDownloader:O97M/Emotet.RE!MTB severe
Backdoor:MSIL/Bladabindi!MSR severe
PWS:Win32/AgentTesla!MSR severe
Ransom:O97M/Locky.EY!MTB severe
Ransom:O97M/Locky.EY!MTB severe
Ransom:Win32/FileCoder.SA!MSR severe
Ransom:Win32/FileCoder.SA!MSR severe
Trojan:Win32/CryptInject!MSR severe
Trojan:Win32/Keylogger.PB!MTB severe
Trojan:Win32/Keylogger.PB!MTB severe
Trojan:Win32/Skeeyah.A!MTB severe
Trojan:Win32/VBKrypt.AA!MTB severe
TrojanDownloader:MSIL/NRatTiny.B!MSR severe
TrojanDownloader:MSIL/NRatTiny.B!MSR severe
TrojanDownloader:O97M/Obfuse.QX!MTB severe
TrojanDownloader:O97M/Obfuse.QX!MTB severe
TrojanDropper:O97M/Obfuse.QZ!MTB severe
TrojanDownloader:VBS/Ursnif!MTB severe
Trojan:MacOS/Procalstone.C!MTB severe
Trojan:MacOS/Procalstone.C!MTB severe
Trojan:MSIL/CryptInject!MSR severe
Trojan:Win32/Dridex.C!MSR severe
Trojan:Win32/Dridex.C!MSR severe
TrojanDownloader:O97M/Emotet.RD!MTB severe
TrojanDownloader:O97M/Emotet.RD!MTB severe