Categories: Trojan

TrojanDownloader:Win32/ZLoader!ml malicious file

The TrojanDownloader:Win32/ZLoader!ml is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What TrojanDownloader:Win32/ZLoader!ml virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • CAPE detected the CryptBot malware family
  • Attempts to identify installed AV products by installation directory
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine TrojanDownloader:Win32/ZLoader!ml?


File Info:

name: DCCAFE832E8E0B051B08.mlwpath: /opt/CAPEv2/storage/binaries/d22e48ce6da8c7ebb3439f24d10a9750f51718c74d77e8145be02c92de45628acrc32: 0C84A45Dmd5: dccafe832e8e0b051b089cecd1f1c60esha1: 81ed6b70d44ba653272f4ece12e95abef2a9a526sha256: d22e48ce6da8c7ebb3439f24d10a9750f51718c74d77e8145be02c92de45628asha512: 2806f047f346bfc0c65ec827d42c9b0794c3c1e347a4e563a12f977e72c4530e92b7e720c83801cef135d0d067cd80e2d00a58d67b3b9329b4f4e85b3db2e3a0ssdeep: 12288:wh6V4Nb83zzzDbffj7x808/H1yLYLgfEO42VYe9df+8u1AlTfV4zTz7rLjDFzzDM:s6V4Z8e/V+EOTH+bxjetype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B916FAD1FB13EE0BF7A0D57C94227B654EDD34EB1BA3A0F8B86C64E4EA8C160054A553sha3_384: 37d289ff60da9a1b7fb09ac05dfc2bc6d71ded1afd0f6f787f517df84af742390622aee7d60eb82825fcf0edf25353feep_bytes: 31ffff1542da410089c2685b0385f568timestamp: 2021-11-27 04:48:36

Version Info:

FileVersion: 4, 6, 4, 6Comments: TrunchCompanyName: FortinetInternalName: JuncousLiang: UnencounterableCytherea: InterphalangealParalogical: PedunculusSkatikas: AccidenceMonoxylic: CoheritorNonliquidation: BarrelfulBeira: ModernishChlorocruorin: NoblenessCuriosa: ElectroacousticScrimshaw: OecumenianFlixweed: IliopelvicOpportunist: FlowerfulMoleheap: MyceloidBettongia: EndoblastTopographometric: UnshavednessSoulish: UnregeneratingThoroughgoingly: TeretiscapularisIndagatory: UnwoofUntranslatableness: TrochartNonworking: StonewallyMuffish: AdvantageousnessSandbank: CycadophytaPseudologist: UncontestableCrambe: AffirmerBulblike: DelateExcitative: AutoaddressFascination: PozzuolanaManganophyllite: ReastrayCoryphaenidae: SkunkishMahua: LoftlessTacking: AxillaryAutocephalous: CompromisingAntiselene: UnincubatedScrobis: CarbonuriaEnhydros: SemitesseralRopemaker: CalcinizeWokowi: UnadjournedRigidulous: BromoiodideThomisid: PieridaeLedgerdom: ElapidaeEtherean: PangenicSaimiri: UsucapionYarder: HomeopathicityOverhaste: MarssoniaFrenal: ExtumescencePictural: MillepedeZygomorphic: BodybendingOverrack: EpidemyChawer: JocelineHyporit: IsopleuraMorrhuine: LochiocyteHomerologist: WieldinessEtymologization: BurgraveMistranscribe: KickerNondeliberate: PigheadedNominatival: LundaMarketably: EudaemonisticallyHissproof: EmbrasureOriginalFilename: AlcoholistPrivateBuild: DisintegrantTranslation: 0x0409 0x04e4

TrojanDownloader:Win32/ZLoader!ml also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.38161715
FireEye Generic.mg.dccafe832e8e0b05
CAT-QuickHeal Trojan.IGENERIC
McAfee Artemis!DCCAFE832E8E
Cylance Unsafe
Zillya Trojan.SelfDel.Win32.66351
Sangfor Trojan.Win32.SelfDel.hvno
K7AntiVirus Trojan ( 0058b0461 )
Alibaba Trojan:Win32/SelfDel.3271e94e
K7GW Trojan ( 0058b0461 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/SelfDel.H.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/GenKryptik.FOCI
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan.Win32.SelfDel.hvno
BitDefender Trojan.GenericKD.38161715
Avast Win32:MalwareX-gen [Trj]
Rising Trojan.Generic@ML.93 (RDMK:tC2AKVvY81eNABplz92zXg)
Ad-Aware Trojan.GenericKD.38161715
Emsisoft Trojan.GenericKD.38161715 (B)
Comodo fls.noname@0
DrWeb Trojan.Siggen15.56791
TrendMicro TROJ_GEN.R002C0WL121
McAfee-GW-Edition Artemis!Trojan
Sophos Mal/Generic-S
GData Trojan.GenericKD.38161715
eGambit PE.Heur.InvalidSig
Avira TR/AD.GenSteal.kdimv
Antiy-AVL Trojan/Generic.ASMalwS.34DC5BD
Kingsoft Win32.Troj.SelfDel.hv.(kcloud)
Gridinsoft Ransom.Win32.Sabsik.sa
Microsoft TrojanDownloader:Win32/ZLoader!ml
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Phonzy.C4799469
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34114.@t2@am6L3mei
ALYac Trojan.GenericKD.38161715
MAX malware (ai score=88)
VBA32 Trojan.SelfDel
TrendMicro-HouseCall TROJ_GEN.R002C0WL121
Tencent Win32.Trojan.Selfdel.Wvks
Yandex Trojan.Agent!gBuU069AxVE
Ikarus Trojan-Spy.Win32.CoinStealer
MaxSecure Trojan.Malware.131342379.susgen
Fortinet W32/GenKryptik.FOCI!tr
AVG Win32:MalwareX-gen [Trj]
Panda Trj/Agent.AAF

How to remove TrojanDownloader:Win32/ZLoader!ml?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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