Trojan-Ransom.Win32.Avaddon.k

What is Trojan-Ransom.Win32.Avaddon.k infection?

In this article you will locate regarding the definition of Trojan-Ransom.Win32.Avaddon.k and also its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom by a target.

Most of the cases, Trojan-Ransom.Win32.Avaddon.k infection will advise its victims to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

Trojan-Ransom.Win32.Avaddon.k Summary

These modifications can be as adheres to:

  • At least one process apparently crashed during execution;
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • 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. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Creates an autorun.inf file;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Modifies boot configuration settings;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Clears Windows events or logs;
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to modify UAC prompt behavior;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s hard disk — so the sufferer can no more utilize the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz Trojan.Ransom.Avaddon
a.tomx.xyz Trojan.Ransom.Avaddon

Trojan-Ransom.Win32.Avaddon.k

The most typical networks through which Trojan-Ransom.Win32.Avaddon.k Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of individual winding up on a resource that holds a harmful software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or avoid the gadget from operating in a correct way – while likewise placing a ransom note that points out the demand for the sufferers to effect the settlement for the objective of decrypting the papers or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually already been damaged.

Trojan-Ransom.Win32.Avaddon.k distribution channels.

In different edges of the world, Trojan-Ransom.Win32.Avaddon.k grows by leaps and also bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom amount may differ depending on certain regional (regional) setups. The ransom notes and also techniques of extorting the ransom amount may vary depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually spotted some unlicensed applications enabled on the target’s gadget. The sharp then demands the customer to pay the ransom.

    Faulty statements regarding illegal web content.

    In countries where software application piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Trojan-Ransom.Win32.Avaddon.k popup alert may incorrectly declare to be stemming from a law enforcement establishment and will report having situated youngster porn or various other illegal data on the tool.

    Trojan-Ransom.Win32.Avaddon.k popup alert may falsely declare to be acquiring from a law enforcement organization as well as will certainly report having located child pornography or other unlawful data on the gadget. The alert will likewise include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 160BB9C6md5: c497f83e28e9f3a7fdebc64ab1a1ea23name: C497F83E28E9F3A7FDEBC64AB1A1EA23.mlwsha1: 4eee6846c84fb3eb1b73ca085a9ee016aa0bedb9sha256: 6c68f61ddd1c17b8bef5080ee8b113ebaa90c415a11a137f74a73429fb79877dsha512: b761e1e9de8e2a1ad43ef86b3adf0839bdda26f02edcd7aaf701cbf930c38d8a9381794f6e2edc6959ef1ce23a23d3b68640c737ab817a03d533db1e3004dd42ssdeep: 12288:MdoKBWsbx13KT6QJOwObtmUrn8R65jj07LkSluxwuV5DYPpJea:MRB1bx13KT6QJOwOJmUDI+j07Pc0type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: taskhost.exeFileVersion: 10.0.17763.831 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Microsoftxae Windowsxae Operating SystemProductVersion: 10.0.17763.831FileDescription: Host Process for Windows TasksOriginalFilename: taskhost.exeTranslation: 0x0409 0x04b0

Trojan-Ransom.Win32.Avaddon.k also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00577dec1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader34.37477
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Avaddon
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Avaddon.497af223
K7GW Trojan ( 00577dec1 )
Cybereason malicious.e28e9f
Cyren W32/Ransom.OS.gen!Eldorado
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/Filecoder.Avaddon.C
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Avaddon-9866699-0
Kaspersky Trojan-Ransom.Win32.Avaddon.k
BitDefender Gen:Heur.Ransom.REntS.Gen.1
NANO-Antivirus Trojan.Win32.DelShad.hurixt
MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
Tencent Win32.Trojan.Filecoder.Syhr
Ad-Aware Gen:Heur.Ransom.REntS.Gen.1
Sophos Troj/Avaddon-A
Comodo Malware@#2y3u45nz1fv6i
BitDefenderTheta Gen:NN.ZexaF.34722.Su0@augqTNai
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.AVADDON.THIBBBO
McAfee-GW-Edition RDN/Ransom
FireEye Generic.mg.c497f83e28e9f3a7
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.DelShad.ahp
Avira TR/AD.RansomHeur.obmwf
eGambit Unsafe.AI_Score_100%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Avaddon.C!MTB
AegisLab Trojan.Win32.DelShad.4!c
ZoneAlarm Trojan-Ransom.Win32.Avaddon.k
GData Gen:Heur.Ransom.REntS.Gen.1
TACHYON Ransom/W32.DelShad.731136
AhnLab-V3 Trojan/Win32.Ransomlock.R350867
McAfee RDN/Ransom
MAX malware (ai score=100)
VBA32 Trojan.DelShad
Malwarebytes Ransom.Avaddon
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.AVADDON.THIBBBO
Rising Ransom.Avaddon!1.C7A8 (CLASSIC)
Yandex Trojan.Avaddon!4RmUECPZ+EA
Ikarus Trojan-Ransom.Avaddon
MaxSecure Trojan.Malware.74279478.susgen
Fortinet W32/Avaddon.C!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml

How to remove Trojan-Ransom.Win32.Avaddon.k ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft2

Run the setup file.

Run Setup.exe
GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan-Ransom.Win32.Avaddon.k you can always ask me in the comments for getting help.

References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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