Categories: Trojan

Trojan.Win32.Copak.nebf (file analysis)

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

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid

How to determine Trojan.Win32.Copak.nebf?


File Info:

name: 4FBA7A3449D56E4A9E98.mlwpath: /opt/CAPEv2/storage/binaries/a071f84a113d90e05bf6ff52aaacfadfbf722dd8fea22023305bcd23f5734fc0crc32: 62EF03C6md5: 4fba7a3449d56e4a9e9804f8ebd8d4afsha1: e5ecf7284c51afd384cfcd475ba6d71b9cbbee4dsha256: a071f84a113d90e05bf6ff52aaacfadfbf722dd8fea22023305bcd23f5734fc0sha512: 171b5e31a61f8c9f9b4aceaed202752b85d2f9176f9d9e4cf7f9961390565197d0d37dca8cd7487c7343e1effad52ace04626ec1338212d141b6338d25d97db2ssdeep: 3072:O+avBkcQiGIDzPlv+h9sajTDkskmvjEH9z65+g5LycHwdKfMPg0GXkYX7sz:O+QvZDx+/4o89zWP5MGHX7Ytype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T10A1401F30042512DE5A7BE3789832FF47A956137F4A4CE19AFF565D6AC3822213C5A8Csha3_384: 100a7bdecf03a96154da535692c03d58c521eed324ae79256147e9f2d4ebc8a48048e69e9b2a6ab353685509dabee6e7ep_bytes: b9b45f34d94f68d885400081ef36a3a2timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Trojan.Win32.Copak.nebf also known as:

Bkav W32.AIDetect.malware1
Lionic Worm.Win32.Palevo.r!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
McAfee Glupteba-FTSD!4FBA7A3449D5
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 00577ea11 )
K7GW Trojan ( 00577ea11 )
Cybereason malicious.449d56
Cyren W32/Zbot.W.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Injector.DZQA
APEX Malicious
ClamAV Win.Malware.Razy-9935637-0
Kaspersky Trojan.Win32.Copak.nebf
BitDefender Gen:Trojan.Heur.muX@ITwc1te
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
MicroWorld-eScan Gen:Trojan.Heur.muX@ITwc1te
Avast Win32:Trojan-gen
Rising Trojan.Kryptik!1.BF57 (CLOUD)
Ad-Aware Gen:Trojan.Heur.muX@ITwc1te
Sophos ML/PE-A + Troj/Agent-BGOS
DrWeb Trojan.Siggen14.7487
TrendMicro TROJ_GEN.R002C0DAC22
McAfee-GW-Edition BehavesLike.Win32.Glupteba.dc
Emsisoft Gen:Trojan.Heur.muX@ITwc1te (B)
SentinelOne Static AI – Malicious PE
GData Gen:Trojan.Heur.muX@ITwc1te
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=80)
Antiy-AVL Trojan/Generic.ASMalwS.3392708
Arcabit Trojan.Heur.E9F5A1
Microsoft Trojan:Win32/Glupteba.DB!MTB
AhnLab-V3 Malware/Win32.RL_Generic.R293305
BitDefenderTheta AI:Packer.1BD5CF5E1B
ALYac Gen:Trojan.Heur.muX@ITwc1te
VBA32 BScope.Trojan.Wacatac
Malwarebytes Trojan.Injector
TrendMicro-HouseCall TROJ_GEN.R002C0DAC22
Tencent Malware.Win32.Gencirc.10ce882f
Ikarus Trojan.Win32.Injector
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.CTNW!tr
AVG Win32:Trojan-gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan.Win32.Copak.nebf?

  • 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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