Categories: Trojan

Trojan-Dropper.Win32.Agent.tezzeb removal guide

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

  • 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
  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • A scripting utility was executed
  • Uses Windows utilities to create a scheduled task
  • Detects Bochs through the presence of a registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • 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
  • Uses suspicious command line tools or Windows utilities

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


File Info:

name: DC945337609235E6A9B0.mlwpath: /opt/CAPEv2/storage/binaries/eb8b9bc882de8ca900e0980eeebae65a9b1c1b5c4cd82bbbe74e3166597ced7bcrc32: 9DF68660md5: dc945337609235e6a9b01890d4a16d0csha1: 90e45d130abf329a7b4219966c7f5b45bd6758a8sha256: eb8b9bc882de8ca900e0980eeebae65a9b1c1b5c4cd82bbbe74e3166597ced7bsha512: 7d7a915234b0eabde9011647a5236a898b7c636598652c35452b524ee8be65ab11609ea7d3ce3f49d63c87b0125df56bdae12b2565c5dd7a5d3980a545651b88ssdeep: 98304:91OA480Mvshox/hvBt05YUoPE8VlMREzNyh6q7kaD9JPg1oLJuZYeLstnfaqVqhH:91OA4iUoztj1vIUx/WYyLQFYnVstype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1626633013ED5E079E2075432CEF51F9BE2B4E3504B62FCB33E0E5E254979458923ABA6sha3_384: 806ca5bafcc60be748e4b52ad80a5871198789801dcd4220bd56dbddeed20ab9b069654fd4e5a377be34240c21380b19ep_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.tezzeb also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.68522442
FireEye Trojan.GenericKD.68522442
ALYac Trojan.GenericKD.68522442
CrowdStrike win/grayware_confidence_90% (W)
K7GW Adware ( 005a94d51 )
K7AntiVirus Adware ( 005a94d51 )
BitDefenderTheta Gen:NN.ZexaCO.36350.@@0@a0HFq0li
ESET-NOD32 a variant of Win32/Adware.Neoreklami.NE
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan-Dropper.Win32.Agent.tezzeb
BitDefender Trojan.GenericKD.68522442
Avast Win32:Evo-gen [Trj]
Sophos Generic ML PUA (PUA)
F-Secure Trojan.TR/Crypt.EPACK.Gen2
VIPRE Trojan.GenericKD.68522442
McAfee-GW-Edition BehavesLike.Win32.PUPXOR.vc
Trapmine malicious.moderate.ml.score
Emsisoft Trojan.GenericKD.68522442 (B)
SentinelOne Static AI – Suspicious SFX
GData Trojan.GenericKD.68522442
Avira TR/Crypt.EPACK.Gen2
Antiy-AVL GrayWare[AdWare]/Win32.Neoreklami
Arcabit Trojan.Generic.D41591CA
ZoneAlarm Trojan-Dropper.Win32.Agent.tezzeb
Microsoft Program:Win32/Wacapew.C!ml
AhnLab-V3 Malware/Win.Generic.R595192
Acronis suspicious
McAfee Artemis!DC9453376092
MAX malware (ai score=89)
Malwarebytes Generic.Malware.AI.DDS
TrendMicro-HouseCall TROJ_GEN.R002H09GT23
Rising Adware.Neoreklami!8.B6A8 (TFE:5:UCA0qCHtkkS)
MaxSecure Trojan.Malware.121218.susgen
Fortinet Riskware/Neoreklami
AVG Win32:Evo-gen [Trj]
DeepInstinct MALICIOUS

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

  • 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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