Trojan

Trojan-Dropper.Win32.Agent.tettzt removal

Malware Removal

The Trojan-Dropper.Win32.Agent.tettzt 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.tettzt 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
  • 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
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Detects VirtualBox using WNetGetProviderName trick
  • Behavioural detection: Transacted Hollowing
  • 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.tettzt?


File Info:

name: DB28E012375753C89C8C.mlw
path: /opt/CAPEv2/storage/binaries/1ca46b3fac70362fca180840631a72a7a606db929a4f3f5db550f4d8f5bf0d19
crc32: 1C807849
md5: db28e012375753c89c8c59985670694d
sha1: ebcb537c20a76cdaaec6ce707057ed2dfefb95da
sha256: 1ca46b3fac70362fca180840631a72a7a606db929a4f3f5db550f4d8f5bf0d19
sha512: 4efcd945dad008d8e776bc225b5e09df484677e10d17538a53cb96228106146971a1da2779a459cb6f4c127678e77210cce7434bdfa50fc1dcecd8bb74e26db6
ssdeep: 196608:91OD74oPD4YBK0cyhTAuoD3rUNidfXJdG/Wu+uWHBjsxQ4uHtyj:3OD7JPthTAD3QAfXJo/WjjsQNtyj
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14A76339274FF02B5D141157041D86FE1B256CAA04A26E9332F0C1E7AABFE05B467DF2B
sha3_384: a6c7e3a232307dcc04ad24df34bfe96979ffd32275c1e58b546ff63bd241eeb83c005daf154bc89fb2ca6bd905d44af4
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.tettzt also known as:

LionicTrojan.Win32.Agent.b!c
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop19.10219
MicroWorld-eScanGen:Variant.Jaik.48175
FireEyeGen:Variant.Jaik.48175
ALYacGen:Variant.Jaik.48175
CylanceUnsafe
AlibabaAdWare:Win32/Neoreklami.ed832a81
BitDefenderThetaGen:NN.ZexaF.34062.@JW@aiSe5ek
SymantecTrojan.Gen.MBT
ESET-NOD32a variant of Win32/Adware.Neoreklami.LI
TrendMicro-HouseCallTROJ_GEN.R002C0PL221
Paloaltogeneric.ml
KasperskyTrojan-Dropper.Win32.Agent.tettzt
BitDefenderGen:Variant.Jaik.48175
NANO-AntivirusTrojan.Win32.Witch.jisbvk
AvastWin32:Adware-gen [Adw]
TencentWin32.Trojan-dropper.Agent.Wrgi
Ad-AwareGen:Variant.Jaik.48175
EmsisoftGen:Variant.Jaik.48175 (B)
F-SecureHeuristic.HEUR/AGEN.1145066
TrendMicroTROJ_GEN.R002C0PL221
McAfee-GW-EditionPUP-XQW-DG
SentinelOneStatic AI – Malicious SFX
SophosMal/Generic-R
IkarusPUA.Neoreklami
GDataGen:Variant.Jaik.48175
AviraHEUR/AGEN.1145066
Antiy-AVLGrayWare[AdWare]/Win32.Neoreklami
GridinsoftRansom.Win32.Sabsik.sa
ArcabitTrojan.Jaik.DBC2F
ViRobotTrojan.Win32.Z.Neoreklami.7595552
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Malware/Win.Generic.C4823637
McAfeeArtemis!DB28E0123757
VBA32TrojanDropper.Agent
MalwarebytesAdware.Neoreklami
APEXMalicious
RisingMalware.Heuristic!ET#87% (RDMK:cmRtazqBy85N2XCbLnAPF92AeKuH)
MAXmalware (ai score=85)
FortinetAdware/Neoreklami
AVGWin32:Adware-gen [Adw]
PandaTrj/CI.A

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

Trojan-Dropper.Win32.Agent.tettzt 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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