Trojan

Trojan-Dropper.Win32.Agent.tetuau removal

Malware Removal

The Trojan-Dropper.Win32.Agent.tetuau 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.tetuau 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
  • Anomalous file deletion behavior detected (10+)
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • A named pipe was used for inter-process communication
  • 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
  • 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 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
  • 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.tetuau?


File Info:

name: 14BA5B6167B2D38ADEDD.mlw
path: /opt/CAPEv2/storage/binaries/b90027dedfb4b3a59ef0c91977c6f1c123be8d247d6f4eac0a466c2357f080c2
crc32: B4B7AE7B
md5: 14ba5b6167b2d38adeddcd773d1071c8
sha1: 9e34c5d7db35206d1c7f6424149fe06341788c87
sha256: b90027dedfb4b3a59ef0c91977c6f1c123be8d247d6f4eac0a466c2357f080c2
sha512: a6bdf2ddc18629946eebd7aca464777b9e454e7256b86a16316cfa0489f1404eacc1745a64c10143d7128f0ae9383cb129f1e13e30ea3884d47bcf3d0a91563f
ssdeep: 196608:91ONapZzF99ciSHhim5BDjJpbnbeSiyIcnsZZqBHAiv:3ONKzz9NSHkm5BT6vyIcnsOZPv
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19756332572B2C977F14D1839C2412BC6F9A6ED2D19150C2333E9AE3D3F3A9ADD167206
sha3_384: edcfb7054f9bb55223aca1b5c7cbdb9efd5be6561a73b8d466ee4d6c4486e29e762e40f2665c85e00418f81f0caa60ea
ep_bytes: 558bec6aff68e0b94100682c4a410064
timestamp: 2010-11-18 16:27:35

Version Info:

CompanyName: Igor Pavlov
FileDescription: 7z Setup SFX
FileVersion: 9.20
InternalName: 7zS.sfx
LegalCopyright: Copyright (c) 1999-2010 Igor Pavlov
OriginalFilename: 7zS.sfx.exe
ProductName: 7-Zip
ProductVersion: 9.20
Translation: 0x0409 0x04b0

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

LionicTrojan.Win32.Agent.b!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Jaik.48175
FireEyeGen:Variant.Jaik.48175
CAT-QuickHealTrojan.GenericRI.S25677136
McAfeeArtemis!14BA5B6167B2
CylanceUnsafe
SangforTrojan.Win32.Agent.tetuau
AlibabaAdWare:Win32/Neoreklami.19c4979a
K7GWAdware ( 00581def1 )
K7AntiVirusAdware ( 00581def1 )
BitDefenderThetaGen:NN.ZexaF.34114.@JW@aiSe5ek
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Adware.Neoreklami.LI
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan-Dropper.Win32.Agent.tetuau
BitDefenderGen:Variant.Jaik.48175
NANO-AntivirusRiskware.Win32.Neoreklami.jjdawe
AvastWin32:Adware-gen [Adw]
TencentWin32.Trojan-dropper.Agent.Dyqs
Ad-AwareGen:Variant.Jaik.48175
EmsisoftGen:Variant.Jaik.48175 (B)
DrWebTrojan.MulDrop19.10760
TrendMicroTROJ_GEN.R002C0PL321
McAfee-GW-EditionPUP-XQW-DG
SophosMal/Generic-R
IkarusVirus.Win32.Expiro
GDataGen:Variant.Jaik.48175
JiangminAdware.Agent.atow
AviraHEUR/AGEN.1145066
MAXmalware (ai score=81)
Antiy-AVLGrayWare[AdWare]/Win32.Neoreklami
GridinsoftRansom.Win32.Sabsik.sa
ArcabitTrojan.Jaik.DBC2F
ViRobotTrojan.Win32.Z.Neoreklami.6406548.I
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Adware/Win.Generic.R459232
ALYacGen:Variant.Jaik.48175
VBA32Adware.Agent
MalwarebytesMalware.AI.3457335526
TrendMicro-HouseCallTROJ_GEN.R002C0PL321
RisingTrojan.Generic@ML.87 (RDMK:RSxQHLB32sIZu3ke3bZHcQ)
SentinelOneStatic AI – Malicious SFX
FortinetAdware/Neoreklami
AVGWin32:Adware-gen [Adw]

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

Trojan-Dropper.Win32.Agent.tetuau 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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