Categories: Trojan

Trojan.Ekstak.ZZ4 (file analysis)

The Trojan.Ekstak.ZZ4 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.Ekstak.ZZ4 virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Queries information on disks, possibly for anti-virtualization
  • Detects the presence of Wine emulator via registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Collects information to fingerprint the system

Related domains:

static.16.249.201.195.clients.your-server.de

How to determine Trojan.Ekstak.ZZ4?


File Info:

crc32: EED04385md5: 4c99ed5b3f3ecd98f056b3dac574b371name: 4C99ED5B3F3ECD98F056B3DAC574B371.mlwsha1: d964006b1e6f767413c4bb04dfb23aeda91dc372sha256: 1dc086148680ca8eec8190ff8978d11a497d2e48f76d0b6fc8fe29a49a2275e6sha512: 14b53d40a905cb7929857f8f0029066fc6a6fe21f0e97cef7a82820d2d42e151297404c04f41717c80140de763881a8adc81365374b08ca2b95d18e156548643ssdeep: 49152:HyFTSAIC+nbPGn4J1TeMVwKFBoDC0IOQ13lulZUxZGoEdbE:HMk5bPGnfMtBAXm3YoEdbEtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 15.1.1237.8InternalName: AERepair.exeFileVersion: 15.1.1237.8OriginalFilename: AERepair.exeFileDescription: NET Components 4.58 free installerTranslation: 0x0409 0x04b0

Trojan.Ekstak.ZZ4 also known as:

K7AntiVirus Trojan ( 0053e8521 )
Elastic malicious (high confidence)
DrWeb Trojan.InstallCube.3730
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Ekstak.ZZ4
ALYac Gen:Variant.Application.Fugrafa.5
Zillya Trojan.Kryptik.Win32.1494799
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Katusha.963a34ec
K7GW Trojan ( 0053d3061 )
Cybereason malicious.b3f3ec
Cyren W32/ICloader.BR.gen!Eldorado
Symantec PUA.ICLoader
ESET-NOD32 a variant of Win32/Kryptik.GLCW
APEX Malicious
Avast Win32:AdwareSig [Adw]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Application.Fugrafa.5
NANO-Antivirus Trojan.Win32.InstallCube.figehh
MicroWorld-eScan Gen:Variant.Application.Fugrafa.5
Tencent Malware.Win32.Gencirc.114d486f
Ad-Aware Gen:Variant.Application.Fugrafa.5
Sophos Generic PUA NJ (PUA)
Comodo Application.Win32.ICLoader.GS@84429a
BitDefenderTheta Gen:NN.ZexaF.34266.tt1@aagNJvei
McAfee-GW-Edition Packed-FME!4C99ED5B3F3E
FireEye Generic.mg.4c99ed5b3f3ecd98
Emsisoft Application.AdLoad (A)
SentinelOne Static AI – Malicious PE
Avira TR/ICLoader.Gen8
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.2827447
Microsoft PUADlManager:Win32/InstallCube
GData Gen:Variant.Application.Fugrafa.5
AhnLab-V3 PUP/Win32.ICLoader.R237871
Acronis suspicious
McAfee Packed-FME!4C99ED5B3F3E
VBA32 BScope.Trojan.InstallCube
Malwarebytes Adware.InstallCube
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!1.AA23 (CLASSIC)
Yandex Trojan.GenAsa!WKUh2v7dDEU
Ikarus PUA.ICLoader
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CoinMiner.GYQC!tr
AVG Win32:AdwareSig [Adw]
Paloalto generic.ml

How to remove Trojan.Ekstak.ZZ4?

  • 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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