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
Adware:MSIL/Tracker.A high
Trojan:Win32/Stealer.A severe
TrojanSpy:Win32/Akgpuw severe

Updated threat detections

No threat detections updated in selected update

Name Severity
BrowserModifier:Win32/Foxiebro high
BrowserModifier:Win32/Prifou high
Trojan:Win32/VMProtect severe
Trojan:Win32/Skeeyah.A!rfn severe
TrojanDownloader:O97M/Donoff!rfn severe
Trojan:HTML/Phish severe
Trojan:Win64/CryptInject severe
Exploit:O97M/CVE-2017-11882 severe
Trojan:BAT/Starter severe
Trojan:MSIL/CryptInject severe
Trojan:Win32/CryptInject severe
Trojan:Win32/MalLink!lnk severe
Trojan:Win32/Virlock severe
Trojan:Win32/Virlock severe
Trojan:JS/Nemucod severe
Backdoor:ASP/Aspy.A severe
Backdoor:MSIL/Bladabindi severe
Backdoor:MSIL/Bladabindi.AJ severe
Backdoor:MSIL/Noancooe.A severe
Backdoor:MSIL/Noancooe.B severe
Backdoor:MSIL/Noancooe.C severe
Backdoor:Win32/Fynloski severe
DDoS:Win32/Nitol.B severe
HackTool:MSIL/Boilod.A high
HackTool:Win32/Keygen high
HackTool:Win32/Wpakill high
PWS:Win32/Delf severe
PWS:Win32/Fareit severe
PWS:Win32/Fignotok.A severe
Ransom:Win32/Genasom severe
Ransom:Win32/HiddenTear severe
Trojan:BAT/Musecador!rfn severe
Trojan:Win32/Banker!rfn severe
Trojan:Win32/CoinMiner!bit severe
Trojan:Win32/CoinMiner!rfn severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Dynamer!dtc severe
Trojan:Win32/Dynamer!rfn severe
Trojan:Win32/Eqtonex!rfn severe
Trojan:Win32/Genasep.A severe
Trojan:Win32/Neurevt.AB severe
Trojan:Win32/Occamy.A severe
Trojan:Win32/Occamy.B severe
Trojan:Win32/Occamy.C severe
Trojan:Win32/Pynamer.A!ac severe
Trojan:Win32/Skeeyah.A!rfn severe
Trojan:Win32/Skeeyah.B!rfn severe
Trojan:Win32/Sonoko.A!ms severe
Trojan:Win32/Suloc.A severe
Trojan:Win32/Tiggre!plock severe
Trojan:Win32/Tiggre!rfn severe
TrojanDownloader:O97M/Dornoe.A!ams severe
TrojanSpy:MSIL/Golroted.A severe
TrojanSpy:MSIL/Keylog.B severe
TrojanSpy:Win32/Banker severe
VirTool:MSIL/Injector severe
VirTool:Win32/CryptInject!rfn severe
Worm:Win32/Gamarue!rfn severe
Worm:Win32/Rebhip severe
Trojan:Win32/Dynamer!ac severe
Trojan:Win32/Tiggre!rfn severe