Trojan

Trojan.Win32.Copak.lstk (file analysis)

Malware Removal

The Trojan.Win32.Copak.lstk 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.lstk 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
  • Deletes its original binary from disk
  • Created a process from a suspicious location
  • Creates a copy of itself

How to determine Trojan.Win32.Copak.lstk?


File Info:

name: CEDB2D13FB33B1DF6036.mlw
path: /opt/CAPEv2/storage/binaries/d77c2efa5df6f749545fa427fdb07616bd8f0412c3e3f07fefd646b91f239d36
crc32: 00ED8E05
md5: cedb2d13fb33b1df603662b8e9644a76
sha1: 1a691e9c2559b22bc00f6c809870dfe9e39ecfd3
sha256: d77c2efa5df6f749545fa427fdb07616bd8f0412c3e3f07fefd646b91f239d36
sha512: a2d313371296ffa3a3ad020ed72ac05ee92bbb91d41b2b3914f75524118fc54a146ecbca014e9c4bece8f1cb1e025f7f982c1dbe52ae5afc70f7d38dc708d847
ssdeep: 3072:9KxqPetDA+TO7/Q/BnhPsikl5IlJz9WaDs0mTgpuPIgfGLeEJd+a:94qkhTyI/BnNPkKJAa40zuPZO1Ma
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1E8F3D02E084FA440C0C354B97AB3E3A24ADDEB9F563E61DAC59005866488DFD8EDE7D1
sha3_384: 1a538cf2eb91316bd7117d8f0b017cb01d1003f771e0b4dfd92ac1884f90582140991f2c18a0135a4f27be10f4c53332
ep_bytes: b9f4e35ae081c6748d03c468d8854000
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Trojan.Win32.Copak.lstk also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Siggen14.7487
MicroWorld-eScanGen:Variant.Razy.865537
FireEyeGeneric.mg.cedb2d13fb33b1df
ALYacGen:Variant.Razy.865537
MalwarebytesTrojan.Crypt
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 00577ea11 )
K7GWTrojan ( 00577ea11 )
Cybereasonmalicious.3fb33b
BitDefenderThetaGen:NN.ZexaF.34114.kuZ@aeSC5Sd
CyrenW32/Zbot.W.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.DZQA
KasperskyTrojan.Win32.Copak.lstk
BitDefenderGen:Variant.Razy.865537
NANO-AntivirusVirus.Win32.Gen-Crypt.ccnc
AvastWin32:Evo-gen [Susp]
TencentMalware.Win32.Gencirc.10ce7dc1
Ad-AwareGen:Variant.Razy.865537
SophosML/PE-A + Troj/Agent-BGOS
McAfee-GW-EditionBehavesLike.Win32.Glupteba.cc
SentinelOneStatic AI – Malicious PE
EmsisoftGen:Variant.Razy.865537 (B)
GDataGen:Variant.Razy.865537
AviraTR/Crypt.XPACK.Gen
Antiy-AVLTrojan/Win32.Injector
ArcabitTrojan.Razy.DD3501
MicrosoftTrojan:Win32/Glupteba.DB!MTB
CynetMalicious (score: 100)
AhnLab-V3Malware/Win32.RL_Generic.R293305
McAfeeGenericRXGJ-XZ!31D6776F9E32
VBA32BScope.Trojan.Wacatac
CylanceUnsafe
APEXMalicious
RisingTrojan.Kryptik!1.D284 (RDMK:cmRtazqPtELWb13lQ5mTDRgSrs8A)
MAXmalware (ai score=87)
FortinetW32/Copak.AGMG!tr
AVGWin32:Evo-gen [Susp]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan.Win32.Copak.lstk?

Trojan.Win32.Copak.lstk 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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