Categories: Trojan

What is “Trojan.Win32.Ekstak.amlcj”?

The Trojan.Win32.Ekstak.amlcj 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.amlcj virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • A file with an unusual extension was attempted to be loaded as a DLL.
  • Checks adapter addresses which can be used to detect virtual network interfaces
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • 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
  • Uses Windows utilities for basic functionality
  • Behavioural detection: Transacted Hollowing
  • Likely virus infection of existing system binary

How to determine Trojan.Win32.Ekstak.amlcj?


File Info:

name: BAB615F80F50D57DBA85.mlwpath: /opt/CAPEv2/storage/binaries/99eab2f6fd35085fd498ffeb74e7037ec4c714d6225ef6d188da7c8df2bdbad1crc32: 330E0FC5md5: bab615f80f50d57dba85c805c87db535sha1: a2460621b2a73761f1c36d0a88bf345a0e73e5cdsha256: 99eab2f6fd35085fd498ffeb74e7037ec4c714d6225ef6d188da7c8df2bdbad1sha512: c0fd6e9d15ec560e2a4629c8c96bb1d704bb16bb0e8670a5f5ba3178aba3a2dcdbf4484570f341f87d3becab03cec037650b6568f5c9a425ae448ada446a968dssdeep: 98304:Gm86kf10TLQruYsxuTgrPQIooaH53HEFrC+7tGrxj4CDNjZ0Z93Szxwtqh6H1d0G:V8gkSuiQR307tGrxjFAZ93Szga6V9qatype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16A7633953714DE3BC5FD86B9D8A844141FC2B0D2AE261A0C55EE88E5AF8ACBD7C0F117sha3_384: c6f4523d10d903e9c14fda08be7b0dadd735e2413f57c21021efe9d7728d5cd520ad20672d8937d8903cb5129f0dc8a4ep_bytes: 558bec83c4d453565733c08945f08945timestamp: 1992-06-19 22:22:17

Version Info:

Comments: This installation was built with Inno Setup: http://www.innosetup.comCompanyName: LionMay Software FileDescription: Everyday Auto Backup FileVersion: 1.0.0.41 InternalName: OriginalFilename: ProductName: ProductVersion: Translation: 0x0409 0x04e4

Trojan.Win32.Ekstak.amlcj also known as:

Lionic Trojan.Win32.Ekstak.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Cerbu.148307
ALYac Gen:Variant.Cerbu.148307
Cylance Unsafe
Sangfor Trojan.Win32.Agent.Vlw3
BitDefender Gen:Variant.Cerbu.148307
K7GW Trojan ( 005722f11 )
K7AntiVirus Trojan ( 005722f11 )
Arcabit Trojan.Cerbu.D24353
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/TrojanDropper.Agent.SLC
TrendMicro-HouseCall TROJ_GEN.R002C0WGP22
Kaspersky Trojan.Win32.Ekstak.amlcj
Alibaba TrojanDropper:Win32/Ekstak.0d31d10f
Tencent Win32.Trojan-dropper.Agent.Piju
Ad-Aware Gen:Variant.Cerbu.148307
DrWeb Trojan.Zadved.1709
VIPRE Gen:Variant.Cerbu.148307
TrendMicro TROJ_GEN.R002C0WGP22
McAfee-GW-Edition Artemis
FireEye Gen:Variant.Cerbu.148307
Emsisoft Gen:Variant.Cerbu.148307 (B)
Jiangmin Trojan.Ekstak.bzmx
Avira TR/Drop.Agent.syafd
Microsoft Trojan:Win32/Wacatac.B!ml
GData Win32.Backdoor.Bodelph.HMC6X0
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.R507222
McAfee Artemis!BAB615F80F50
MAX malware (ai score=81)
Malwarebytes Adware.DownloadAssistant
MaxSecure Trojan.Malware.185918953.susgen
Fortinet W32/Agent.SLC!tr
AVG Win32:Adware-gen [Adw]
Avast Win32:Adware-gen [Adw]

How to remove Trojan.Win32.Ekstak.amlcj?

  • 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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