Categories: Trojan

What is “Trojan.Win32.Copak.zlnj”?

The Trojan.Win32.Copak.zlnj 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.Copak.zlnj virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Trojan.Win32.Copak.zlnj?


File Info:

name: 2D47ACE2413271C0AEAB.mlwpath: /opt/CAPEv2/storage/binaries/a321d3b0bcf955f1773ea70bd63d1c441a7050e92cdc3389b1a772d253c161dbcrc32: 4F5D9AECmd5: 2d47ace2413271c0aeab3de945a4bb8csha1: 705dd5620e3e3887e05d9451591d2091c850cb22sha256: a321d3b0bcf955f1773ea70bd63d1c441a7050e92cdc3389b1a772d253c161dbsha512: 98e44f00b6628f5e2f5f881d4a8af4e01f1130cf85d17b83e2b8c38bcf42295caead9bb6f616dedea5b26347772fd4e94ca6eadb8bde9b0d53f3314eaa569365ssdeep: 98304:zYQz4UPfceshTWROV8qtx9aYhTWRyKP09fZDhTd:zYQ08UeskROV8QaYkRyKPOHtype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T14546E14C23A51A97C827673BEC1DCB3F844628BC6AA3C7B9308175DFB9617C99546B30sha3_384: 40dcf2bac98e280e79ac9bfefeab0bfeb27cbb1058717b54755679657ea2fa44bf32f64adbbcf51b27d6b32febd0161aep_bytes: 578b130907e2978e02039e1f8049f6a5timestamp: 1975-06-24 00:00:00

Version Info:

0: [No Data]

Trojan.Win32.Copak.zlnj also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Khalesi.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Lazy.317678
FireEye Generic.mg.2d47ace2413271c0
McAfee Packed-FJB!2D47ACE24132
Malwarebytes Crypt.Trojan.Malicious.DDS
Zillya Trojan.Kryptik.Win32.1485233
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005a45ef1 )
Alibaba Trojan:Win32/Glupteba.71343981
K7GW Trojan ( 005a45ef1 )
CrowdStrike win/malicious_confidence_100% (W)
Cyren W32/Copak.E.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik_AGen.BGV
APEX Malicious
ClamAV Win.Packed.Dridex-9783259-1
Kaspersky Trojan.Win32.Copak.zlnj
BitDefender Gen:Variant.Lazy.317678
NANO-Antivirus Trojan.Win32.Kryptik.fgvqyh
Avast Win32:RATX-gen [Trj]
Tencent Trojan.Win32.Selfmod.ka
TACHYON Trojan/W32.Selfmod
Emsisoft Gen:Variant.Lazy.317678 (B)
F-Secure Trojan.TR/Kryptik.erzbm
DrWeb Trojan.Siggen12.42976
VIPRE Gen:Variant.Lazy.317678
TrendMicro TROJ_GEN.R002C0DEN23
McAfee-GW-Edition BehavesLike.Win32.Injector.tc
Sophos Troj/Agent-BFEY
Ikarus Trojan.Win32.Crypt
GData Win32.Trojan.PSE.11YPVZ
Jiangmin Trojan.Generic.cuzcy
Google Detected
Avira TR/Kryptik.erzbm
Antiy-AVL Trojan/Win32.Kryptik.GIFY
Xcitium TrojWare.Win32.Kryptik.TLS@812zm8
Arcabit Trojan.Lazy.D4D8EE
ViRobot Trojan.Win.Z.Kryptik.5570561.GV
ZoneAlarm Trojan.Win32.Copak.zlnj
Microsoft Trojan:Win32/Glupteba.MT!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Packed/Win.Generic.R565453
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.36196.@@Z@aSJ4gId
ALYac Gen:Variant.Lazy.317678
MAX malware (ai score=89)
VBA32 Trojan.Copak
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0DEN23
Rising Trojan.Kryptik!1.B34D (CLASSIC)
Yandex Trojan.Redcap!zbi6EFdgH7I
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Kryptik.GIFQ!tr
AVG Win32:RATX-gen [Trj]
Cybereason malicious.241327
DeepInstinct MALICIOUS

How to remove Trojan.Win32.Copak.zlnj?

  • 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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