Trojan

Trojan:Win32/Ekstak!pz (file analysis)

Malware Removal

The Trojan:Win32/Ekstak!pz 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!pz virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities to create a scheduled task
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan:Win32/Ekstak!pz?



File Info:

name: 628A541B2146095CC986.mlw
path: /opt/CAPEv2/storage/binaries/593654ba57eaa8e620eaaea4b5fcce803c7a1fc1e992545ebdd7a5495e9f43a2
crc32: A13F35F3
md5: 628a541b2146095cc9866fbbd0d6e794
sha1: 613f47329a41c98a81377fc1f386e221aeb8e91f
sha256: 593654ba57eaa8e620eaaea4b5fcce803c7a1fc1e992545ebdd7a5495e9f43a2
sha512: 5d65d8c0363c4788a25833f034ca342d598dd8f94fc65f51b4ff45c68e5adcd130f2e903a021265572f9e9f43b76c6741a8f2119d576b969ad15182848257137
ssdeep: 98304:7dL9xWLs1Esvx3VRy2XOwnqoQyVHXoblgL74+7e:pzwM5S2X9qM3oqLU+7e
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1941623A1A24818E1C0CB36714831D56BD311EDEFAAE4DC95A5E8E7BA1F721CC5B0DB0D
sha3_384: 4f92676aa9824e170c953f1c73e0c28f82a3fc1b94168b102044b9f6d75cbc9f09b9b492639291f1cf6652f192ce6972
ep_bytes: 558bec83c4cc53565733c08945f08945
timestamp: 2023-11-20 17:53:26


Version Info:

Comments: This installation was built with Inno Setup: http://www.innosetup.com
CompanyName:                                                             
FileDescription: ZxingPDF Setup                                              
FileVersion:                     
LegalCopyright:                                                                                                     
Translation: 0x0409 0x04e4

Trojan:Win32/Ekstak!pz also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Windigo.h!c
MicroWorld-eScanGen:Variant.Cerbu.193604
FireEyeGen:Variant.Cerbu.193604
CAT-QuickHealTrojan.Windigo
SkyhighBehavesLike.Win32.PUPInstaller.wc
McAfeeArtemis!628A541B2146
Cylanceunsafe
SangforDropper.Win32.Windigo.Vzrp
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojanDropper:Win32/Windigo.a9852bec
K7GWTrojan ( 005722f11 )
K7AntiVirusTrojan ( 005722f11 )
ArcabitTrojan.Cerbu.D2F444
VirITTrojan.Win32.Genus.UDD
SymantecTrojan.Gen.MBT
Elasticmalicious (high confidence)
ESET-NOD32Win32/TrojanDropper.Agent.SLC
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Malware.Windigo-10014017-0
KasperskyUDS:Trojan-Proxy.Win32.Windigo.gen
BitDefenderGen:Variant.Cerbu.193604
AvastOther:Malware-gen [Trj]
TencentTrojan-Proxy.Win32.Windigo.hb
EmsisoftGen:Variant.Cerbu.193604 (B)
F-SecureHeuristic.HEUR/AGEN.1368621
DrWebTrojan.MulDrop24.12963
VIPREGen:Variant.Cerbu.193604
TrendMicroTROJ_GEN.R002C0XKK23
SophosMal/Generic-S
JiangminTrojan.Injuke.sus
WebrootW32.Trojan.Gen
VaristW32/Trojan.LHXG-3343
AviraHEUR/AGEN.1368621
Antiy-AVLTrojan[Proxy]/Win32.Windigo
KingsoftWin32.Trojan-Proxy.Windigo.gen
MicrosoftTrojan:Win32/Ekstak!pz
ViRobotTrojan.Win.Z.Windigo.4178766.A
ZoneAlarmUDS:Trojan-Proxy.Win32.Windigo.gen
GDataWin32.Trojan.Agent.HEK6F8
AhnLab-V3Malware/Win.Malware-gen.C5540010
ALYacGen:Variant.Cerbu.193604
MAXmalware (ai score=84)
VBA32TrojanProxy.Windigo
MalwarebytesTrojan.Dropper
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_GEN.R002C0XKK23
YandexTrojan.DR.Agent!GaI3RDvP6f0
IkarusTrojan-Dropper.Win32.Agent
MaxSecureTrojan.Malware.180365101.susgen
FortinetW32/Agent.SLC!tr
AVGOther:Malware-gen [Trj]
DeepInstinctMALICIOUS

How to remove Trojan:Win32/Ekstak!pz?

Trojan:Win32/Ekstak!pz 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.

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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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