Categories: Trojan

What is “Trojan.Win32.Zenpak.atdm”?

The Trojan.Win32.Zenpak.atdm 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.Zenpak.atdm virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Mimics the system’s user agent string for its own requests
  • Possible date expiration check, exits too soon after checking local time
  • A process attempted to delay the analysis task.
  • A named pipe was used for inter-process communication
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • Drops a binary and executes it
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • A system process is generating network traffic likely as a result of process injection
  • Installs itself for autorun at Windows startup
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Trojan.Win32.Zenpak.atdm?


File Info:

crc32: AFE33BB8md5: 2a5077067a3928bcd7da379e54dc7068name: upload_filesha1: ced61ab39f521fddf1719d3bb21c82ab3787f19csha256: 6b689d09992260ef7f87d9681a35390c69ce37dbcac9d04eb39ef6aeda6531fesha512: ad627d4f5b75ee1a7aaeb72aad59109c7067f40d89af8f37a52c703751948886a04a557a0195ce31d654afadb1088fc5aa46342eca91ddf9f0e6c82f9e022ee7ssdeep: 12288:BkmJnJHUrcxNxIxfxNxnxNxIWxNxsyRxNxRxNx0xNx6gtKO2JO9:BL5cJkMOtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Zenpak.atdm also known as:

Elastic malicious (high confidence)
DrWeb Trojan.Inject3.51603
MicroWorld-eScan Gen:Variant.Razy.740841
FireEye Generic.mg.2a5077067a3928bc
CAT-QuickHeal Trojan.Qakbot
ALYac Gen:Variant.Razy.740841
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0056cb101 )
BitDefender Gen:Variant.Razy.740841
K7GW Trojan ( 0056cb101 )
Cybereason malicious.67a392
Invincea Mal/Generic-R + Mal/EncPk-APV
BitDefenderTheta AI:Packer.2C77B6481D
Cyren W32/Qbot.S.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall Backdoor.Win32.QAKBOT.SMF1
Avast Win32:BankerX-gen [Trj]
Kaspersky Trojan.Win32.Zenpak.atdm
Alibaba Backdoor:Win32/Qakbot.9f031869
NANO-Antivirus Trojan.Win32.Zenpak.hshtsn
ViRobot Trojan.Win32.Z.Agent.2803712.G
AegisLab Hacktool.Win32.Krap.lKMc
Tencent Win32.Trojan.Zenpak.Hroy
Ad-Aware Gen:Variant.Razy.740841
F-Secure Trojan.TR/Crypt.XPACK.Gen
TrendMicro TROJ_GEN.R002C0DHI20
SentinelOne DFI – Malicious PE
Sophos Mal/EncPk-APV
Ikarus Trojan.Win32.Qakbot
Jiangmin Trojan.Yakes.agln
Avira TR/Crypt.XPACK.Gen
Antiy-AVL GrayWare/Win32.Kryptik.ehls
Microsoft Trojan:Win32/Qakbot.SD!MTB
Arcabit Trojan.Razy.DB4DE9
ZoneAlarm Trojan.Win32.Zenpak.atdm
GData Gen:Variant.Razy.740841
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R348301
McAfee Packed-GCP!2A5077067A39
MAX malware (ai score=86)
VBA32 BScope.Malware-Cryptor.SB.01798
Malwarebytes Backdoor.Qbot
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 a variant of Win32/Kryptik.HFPO
Rising Trojan.Kryptik!1.CA76 (CLASSIC)
Fortinet W32/Kryptik.EYS!tr
AVG Win32:BankerX-gen [Trj]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.35e

How to remove Trojan.Win32.Zenpak.atdm?

  • 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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