Categories: SpyTrojan

What is “TrojanSpy:Win32/Stelega!MTB”?

The TrojanSpy:Win32/Stelega!MTB is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in the Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware. Don’t be surprised if you will see this malware in the directory named as something legitimate. This malware often uses such a sly trick.

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What TrojanSpy:Win32/Stelega!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • 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 TrojanSpy:Win32/Stelega!MTB?


File Info:

name: 140E18A8499C40EB8156.mlwpath: /opt/CAPEv2/storage/binaries/ee3574e2fe5152eabe4f605934ebe423b4947e84bb6f8c2d3100bb16f4f351aecrc32: 53322B6Bmd5: 140e18a8499c40eb81568272cd2c6c0asha1: e01952fff336dd5fc0fd475b32f60242294043f8sha256: ee3574e2fe5152eabe4f605934ebe423b4947e84bb6f8c2d3100bb16f4f351aesha512: 3d92016f50b0ee85a39f58199e6b74e88f8680badad5b693b3b0f67297b1abb6cc41e0a13fd423d9bdce83cf85d5e408fe7b1fe3e4694db0ade736c040ced8fcssdeep: 6144:9wyRQROpqptSR3eKVyZnfjHNXBTf0dEv2oXh:9wUQ4pktSZR+nfJXBTfrtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13A54C092E5849CF1F5F2513B526B2EB95F0FB8AA1560119AC2B33CC40D5CFC5AB292D3sha3_384: f58a6f072939e7b3b56330e07a2022fbdd17e4d281f9c5d1abeb4c8e037e9c04d123a725f00408b7602daf38294ef37fep_bytes: 89c06800000000ff15485048008bd8fftimestamp: 1970-01-01 00:00:00

Version Info:

FileVersion: 5, 4, 5, 8CompanyName: FixageInternalName: CohusbandBrotherless: IllyricPororoca: UndethronedBrawlys: RetropulmonaryDruggister: VisceroperitionealMetabola: TilaiteSwelly: ProsectorshipWharfrae: GummakingFaon: UrchinlyUnmerry: HoneywortPreabundant: MotacillaNutarian: PotchermanTariric: IndiscretionaryParaphonia: ImpetigoGetic: KitchenmanTec: PhasianidEaglelike: FunambulistGreenleek: ThyroparathyroidectomizeGreenwort: TriweeklyPerisplanchnic: UnamusableWagonload: DissociabilityFieldsman: IsonymyUpperer: PoulardThomism: CorrespondentiallyTimbromanist: DruggisterIndiguria: EmptyheartedFlying: MedullatedUnheired: SubalternityWeevilproof: ParaphrastMaharao: UngodProprietorially: ParalambdacismEndolabyrinthitis: DoubletreeOstension: UnconfidenceEuosmite: ParalambdacismPerineorrhaphy: BrushletFertil: HermiticAppentice: EpiskeletalDepreciatively: UnsharednessPetling: CyaninCumbent: DecembristSerogelatinous: CrispatedSizably: ImplementiferousCriniculture: CounterlockingPerityphlic: MusetteUnmindful: ForegameConehead: HallowdayTrocheameter: LassieishHydrocarbostyril: PentiodideIntemeration: UnencumberingNeedleproof: MusetteTophetize: CalumniatorFamulary: UntwiningImpendency: VeliferousVanner: ExcubantOverwelt: JingoisticGenovino: CitizenhoodTecnoctonia: SortablyMelodically: UnsatyrlikeSuspenseful: BasilysisBiovulate: SubmontanelyVertimeter: LoxocosmPrivateBuild: ImbanneredTranslation: 0x0409 0x04e4

TrojanSpy:Win32/Stelega!MTB also known as:

DrWeb Trojan.Siggen16.10303
MicroWorld-eScan Gen:Variant.Lazy.91642
FireEye Generic.mg.140e18a8499c40eb
CAT-QuickHeal Trojan.IGENERIC
ALYac Gen:Variant.Lazy.91642
Cylance Unsafe
Sangfor Spyware.Win32.Agent.PRG
K7AntiVirus Trojan ( 0058bfc81 )
Alibaba TrojanSpy:Win32/SelfDel.e33f77d7
K7GW Trojan ( 0058bfc81 )
Cybereason malicious.ff336d
BitDefenderTheta Gen:NN.ZexaF.34264.r40@a4EpfVfi
VirIT Trojan.Win32.Genus.LAB
Cyren W32/Trojan.MVUF-2886
Elastic malicious (high confidence)
ESET-NOD32 Win32/Spy.Agent.PRG
TrendMicro-HouseCall Trojan.Win32.SELFDEL.J
Paloalto generic.ml
Kaspersky Trojan.Win32.SelfDel.hwhe
BitDefender Gen:Variant.Lazy.91642
NANO-Antivirus Trojan.Win32.SelfDel.jklzqs
Avast Other:Malware-gen [Trj]
Tencent Win32.Trojan.Selfdel.Dumo
Ad-Aware Gen:Variant.Lazy.91642
Emsisoft Gen:Variant.Lazy.91642 (B)
Comodo Malware@#2s23tct5ugz4r
Zillya Trojan.SelfDel.Win32.66448
TrendMicro Trojan.Win32.SELFDEL.J
McAfee-GW-Edition RDN/Generic.rp
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S + Mal/Generic-L
Ikarus Trojan.Win32.Krypt
GData Win32.Trojan-Stealer.CoinStealer.A5VU3F
Jiangmin Trojan.Selfdel.tuv
Webroot W32.Malware.Gen
Avira TR/AD.GenSteal.olesq
Antiy-AVL Trojan/Generic.ASMalwS.350E7B5
Kingsoft Win32.Troj.SelfDel.hw.(kcloud)
Microsoft TrojanSpy:Win32/Stelega!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Sabsik.C4865618
Acronis suspicious
McAfee RDN/Generic.rp
MAX malware (ai score=82)
VBA32 BScope.Trojan.MTA.0795
Malwarebytes Malware.AI.3771590942
APEX Malicious
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex Trojan.SelfDel!Wn4vu+zB/V4
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.133907968.susgen
Fortinet W32/Kryptik.6C0A!tr
AVG Other:Malware-gen [Trj]
Panda Trj/WLT.G
CrowdStrike win/malicious_confidence_100% (W)

How to remove TrojanSpy:Win32/Stelega!MTB?

  • 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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