Categories: Trojan

What is “Trojan:Win32/Ekstak.KAA!MTB”?

The Trojan:Win32/Ekstak.KAA!MTB 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 Trojan:Win32/Ekstak.KAA!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • CAPE detected the embedded win api malware family
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan:Win32/Ekstak.KAA!MTB?


File Info:

name: 6D177E08758449E5D178.mlwpath: /opt/CAPEv2/storage/binaries/5a58acc12088b2dd9a4325ca7b8a1fe77d8d854c03fb21985e746979b72aec84crc32: 6C299394md5: 6d177e08758449e5d1786cc8b1258fe6sha1: ada20f0dc3c336fb912178c5350816e91c9bb5fesha256: 5a58acc12088b2dd9a4325ca7b8a1fe77d8d854c03fb21985e746979b72aec84sha512: 853d0f098de9d413dea4ff2759264f69f2fdc6874f3499754cc966e8a38cf524875d2106352a3ddb9e439bb667471d31bec22596164192d63287d7782b1d9fefssdeep: 98304:5+3EMPDnWIt0+ySGMxwRR4GG5LPrnarFLMlFmL4lG0U/5FsOT5yc1t3:A3E8DWItzdgReerFLcFmLPH5Fn5Rtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1F3263397F6018479D8628CBE0E449308A8BAF8291A76F548537DBE2CDC774C983D6773sha3_384: 8b9997b1cad1563566de444be4af14d8218a68a8943c0f54f29cb5a10140e940cd30a8b9086b9cc92634ad7a40d8a854ep_bytes: 558bec83c4c453565733c08945f08945timestamp: 2024-01-31 20:10:51

Version Info:

Comments: This installation was built with Inno Setup.CompanyName: FileDescription: VB DateTime Library Setup FileVersion: LegalCopyright: ProductName: VB DateTime Library ProductVersion: Translation: 0x0000 0x04b0

Trojan:Win32/Ekstak.KAA!MTB also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Ekstak.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Generic.35201702
FireEye Trojan.Generic.35201702
Skyhigh Artemis!Trojan
McAfee Artemis!6D177E087584
Cylance unsafe
Sangfor Dropper.Win32.Agent.Vd4f
K7AntiVirus Trojan ( 005722fe1 )
Alibaba TrojanDropper:Win32/Nekark.c0ec539a
K7GW Trojan ( 005722fe1 )
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.SLC
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky UDS:Trojan.Win32.Ekstak.gen
BitDefender Trojan.Generic.35201702
Avast Other:Malware-gen [Trj]
Emsisoft Trojan.Generic.35201702 (B)
F-Secure Trojan.TR/AD.Nekark.ezyoj
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Crypt
GData Win32.Backdoor.Bodelph.L7X3OX
Varist W32/Agent.OMEQ-7976
Avira TR/AD.Nekark.ezyoj
Kingsoft Win32.Trojan.Ekstak.gen
ZoneAlarm UDS:Trojan.Win32.Ekstak.gen
Microsoft Trojan:Win32/Ekstak.KAA!MTB
AhnLab-V3 Trojan/Win.Malware-gen.R633653
MAX malware (ai score=84)
Malwarebytes Malware.AI.1793622989
Panda Trj/Chgt.AD
TrendMicro-HouseCall TROJ_GEN.R002H0CB124
SentinelOne Static AI – Malicious PE
Fortinet W32/Agent.SLC!tr
AVG Other:Malware-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/Ekstak.KAA!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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