Trojan

What is “Trojan.Win32.Ekstak.amlcj”?

Malware Removal

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.mlw
path: /opt/CAPEv2/storage/binaries/99eab2f6fd35085fd498ffeb74e7037ec4c714d6225ef6d188da7c8df2bdbad1
crc32: 330E0FC5
md5: bab615f80f50d57dba85c805c87db535
sha1: a2460621b2a73761f1c36d0a88bf345a0e73e5cd
sha256: 99eab2f6fd35085fd498ffeb74e7037ec4c714d6225ef6d188da7c8df2bdbad1
sha512: c0fd6e9d15ec560e2a4629c8c96bb1d704bb16bb0e8670a5f5ba3178aba3a2dcdbf4484570f341f87d3becab03cec037650b6568f5c9a425ae448ada446a968d
ssdeep: 98304:Gm86kf10TLQruYsxuTgrPQIooaH53HEFrC+7tGrxj4CDNjZ0Z93Szxwtqh6H1d0G:V8gkSuiQR307tGrxjFAZ93Szga6V9qa
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16A7633953714DE3BC5FD86B9D8A844141FC2B0D2AE261A0C55EE88E5AF8ACBD7C0F117
sha3_384: c6f4523d10d903e9c14fda08be7b0dadd735e2413f57c21021efe9d7728d5cd520ad20672d8937d8903cb5129f0dc8a4
ep_bytes: 558bec83c4d453565733c08945f08945
timestamp: 1992-06-19 22:22:17

Version Info:

Comments: This installation was built with Inno Setup: http://www.innosetup.com
CompanyName: 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:

LionicTrojan.Win32.Ekstak.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Cerbu.148307
ALYacGen:Variant.Cerbu.148307
CylanceUnsafe
SangforTrojan.Win32.Agent.Vlw3
BitDefenderGen:Variant.Cerbu.148307
K7GWTrojan ( 005722f11 )
K7AntiVirusTrojan ( 005722f11 )
ArcabitTrojan.Cerbu.D24353
SymantecTrojan.Gen.2
ESET-NOD32a variant of Win32/TrojanDropper.Agent.SLC
TrendMicro-HouseCallTROJ_GEN.R002C0WGP22
KasperskyTrojan.Win32.Ekstak.amlcj
AlibabaTrojanDropper:Win32/Ekstak.0d31d10f
TencentWin32.Trojan-dropper.Agent.Piju
Ad-AwareGen:Variant.Cerbu.148307
DrWebTrojan.Zadved.1709
VIPREGen:Variant.Cerbu.148307
TrendMicroTROJ_GEN.R002C0WGP22
McAfee-GW-EditionArtemis
FireEyeGen:Variant.Cerbu.148307
EmsisoftGen:Variant.Cerbu.148307 (B)
JiangminTrojan.Ekstak.bzmx
AviraTR/Drop.Agent.syafd
MicrosoftTrojan:Win32/Wacatac.B!ml
GDataWin32.Backdoor.Bodelph.HMC6X0
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win.Generic.R507222
McAfeeArtemis!BAB615F80F50
MAXmalware (ai score=81)
MalwarebytesAdware.DownloadAssistant
MaxSecureTrojan.Malware.185918953.susgen
FortinetW32/Agent.SLC!tr
AVGWin32:Adware-gen [Adw]
AvastWin32:Adware-gen [Adw]

How to remove Trojan.Win32.Ekstak.amlcj?

Trojan.Win32.Ekstak.amlcj removal tool
  • 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.

About the author

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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