Categories: Trojan

Trojan-Dropper.Win32.Agent.tetzak malicious file

The Trojan-Dropper.Win32.Agent.tetzak 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-Dropper.Win32.Agent.tetzak virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • A scripting utility was executed
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Detects VirtualBox using WNetGetProviderName trick
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Detects Bochs through the presence of a registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Attempted to write directly to a physical drive
  • Appears to use command line obfuscation
  • A script or command line contains a long continuous string indicative of obfuscation
  • Attempts to disable Windows Defender
  • Attempts to execute suspicious powershell command arguments
  • Collects information to fingerprint the system
  • Uses suspicious command line tools or Windows utilities

How to determine Trojan-Dropper.Win32.Agent.tetzak?


File Info:

name: D58E9821D84F12F2737C.mlwpath: /opt/CAPEv2/storage/binaries/a7fcea8411e15c3746f0a0c18b222322dccf822696701d970e9088bf7b7bd497crc32: 1ACEA9AEmd5: d58e9821d84f12f2737cf36896a756b7sha1: 66a33079eeeeb52c778d53a8b2af7d6ad169285bsha256: a7fcea8411e15c3746f0a0c18b222322dccf822696701d970e9088bf7b7bd497sha512: ad04903c6bc0f0146c9746378b6197b90e2e809eafd7f1c838764da8bc8266b6141a88769f666740059476144fb1973e3bb460231167da146cc0b4bd271c06f1ssdeep: 196608:91OB/uzQ0pjaVbNqXyGC9+AXBG63djC2WYS6kx2OZ:3OB/uFx+bNqCPs63JBMx26type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DB7633207DC081B2D5A02973CF9977C686E0CFA41CB1D8AB17C9587D1E3B484E996BBDsha3_384: f6e39abd8fc4f032a4f9fa7b93e374859f660cc1dffc15fb4d618a7e9fd8a027eadfaff6a1131650d4baadb51b729446ep_bytes: 558bec6aff68e0b94100682c4a410064timestamp: 2010-11-18 16:27:35

Version Info:

CompanyName: Igor PavlovFileDescription: 7z Setup SFXFileVersion: 9.20InternalName: 7zS.sfxLegalCopyright: Copyright (c) 1999-2010 Igor PavlovOriginalFilename: 7zS.sfx.exeProductName: 7-ZipProductVersion: 9.20Translation: 0x0409 0x04b0

Trojan-Dropper.Win32.Agent.tetzak also known as:

Lionic Trojan.Win32.Agent.b!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Jaik.48175
FireEye Gen:Variant.Jaik.48175
McAfee Artemis!D58E9821D84F
Cylance Unsafe
Sangfor Trojan.Win32.Agent.tetzak
Alibaba AdWare:Win32/Neoreklami.b254e009
BitDefenderTheta Gen:NN.ZexaF.34212.@NW@aepRqRp
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Adware.Neoreklami.LP
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Dropper.Win32.Agent.tetzak
BitDefender Gen:Variant.Jaik.48175
ViRobot Adware.Neoreklami.7628477
Avast Win32:Adware-gen [Adw]
Tencent Win32.Trojan-dropper.Agent.Wrgo
Ad-Aware Gen:Variant.Jaik.48175
Sophos Generic PUA GG (PUA)
F-Secure Heuristic.HEUR/AGEN.1209713
DrWeb Trojan.MulDrop19.27495
McAfee-GW-Edition BehavesLike.Win32.PUP.wc
Emsisoft Gen:Variant.Jaik.48175 (B)
GData Gen:Variant.Jaik.48175
Avira HEUR/AGEN.1209713
MAX malware (ai score=84)
Antiy-AVL GrayWare[AdWare]/Win32.Neoreklami
Gridinsoft Ransom.Win32.Sabsik.sa
Arcabit Trojan.Jaik.DBC2F
ZoneAlarm Trojan-Dropper.Win32.Agent.tetzak
Microsoft Program:Win32/Wacapew.C!ml
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win.Generic.C4946661
VBA32 TrojanDropper.Agent
ALYac Gen:Variant.Jaik.48175
Malwarebytes Adware.Neoreklami
Rising Malware.Heuristic!ET#83% (RDMK:cmRtazpIRRglSHVICvP1Maj5yM0K)
Ikarus PUA.Neoreklami
Fortinet Adware/Neoreklami
AVG Win32:Adware-gen [Adw]

How to remove Trojan-Dropper.Win32.Agent.tetzak?

  • 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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