What is Ransom:Win32/Zudochka.D!MTB infection?

In this short article you will find concerning the definition of Ransom:Win32/Zudochka.D!MTB and also its adverse effect on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom by a target.

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Most of the cases, Ransom:Win32/Zudochka.D!MTB ransomware will certainly instruct its sufferers to start funds transfer for the objective of counteracting the changes that the Trojan infection has actually presented to the victim’s tool.

Ransom:Win32/Zudochka.D!MTB Summary

These alterations can be as adheres to:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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 created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the target’s hard disk drive — so the target can no more make use of the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most common channels whereby Ransom:Win32/Zudochka.D!MTB Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of customer winding up on a resource that organizes a harmful software program;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the sufferer’s PC or protect against the tool from working in a correct fashion – while likewise placing a ransom money note that states the need for the sufferers to effect the settlement for the purpose of decrypting the documents or recovering the documents system back to the preliminary problem. In the majority of instances, the ransom note will show up when the client reboots the PC after the system has currently been damaged.

Ransom:Win32/Zudochka.D!MTB distribution networks.

In various edges of the globe, Ransom:Win32/Zudochka.D!MTB grows by jumps and also bounds. However, the ransom notes and methods of extorting the ransom money amount may vary depending on particular regional (regional) settings. The ransom money notes as well as methods of obtaining the ransom money amount may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty statements about illegal material.

    In countries where software piracy is much less popular, this approach is not as reliable for the cyber frauds. Additionally, the Ransom:Win32/Zudochka.D!MTB popup alert may wrongly assert to be deriving from a law enforcement establishment and will certainly report having situated child pornography or various other illegal data on the device.

    Ransom:Win32/Zudochka.D!MTB popup alert may wrongly assert to be acquiring from a legislation enforcement establishment and will report having located kid porn or various other illegal information on the device. The alert will in a similar way consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 0C90D1B8
md5: d43213d1aca1007344840fcef12b2106
name: D43213D1ACA1007344840FCEF12B2106.mlw
sha1: 69107cd0fdb8413859b71464e6b42090f7713111
sha256: f346f328375cb1cefa3c53cbaf3c2828bb599bdb790f1296c01b308e8d20f22b
sha512: 8908631fec4c88f679e62e42c86484696a2df4537682114857c89a61d3c40ae95cefd29ea8ca585a1557e25104ef218f6180a43e09490a4b529a06908cbdfe1c
ssdeep: 12288:z49AWzvRg/MJc6kAxGNv3CeY8GtrrjZSyM:z49AWzO/0hkNvSVNZy
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Zudochka.D!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0056037c1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.31964
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.17501
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Zudochka.5770614a
K7GW Trojan ( 0056037c1 )
Cybereason malicious.1aca10
Cyren W32/Ransom.EOEB-1885
ESET-NOD32 a variant of Win32/Injector.EOKU
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender DeepScan:Generic.Ransom.Cuba.B4B4B623
NANO-Antivirus Trojan.Win32.Encoder.ihtqft
MicroWorld-eScan DeepScan:Generic.Ransom.Cuba.B4B4B623
Tencent Win32.Trojan.Inject.Auto
Ad-Aware DeepScan:Generic.Ransom.Cuba.B4B4B623
Sophos Mal/Generic-S
Comodo Malware@#2xpk77yinjphv
F-Secure Trojan.TR/Crypt.XDR.Gen
BitDefenderTheta AI:Packer.5C7194DA1B
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Zudochka.R002C0DA421
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
FireEye Generic.mg.d43213d1aca10073
Emsisoft DeepScan:Generic.Ransom.Cuba.B4B4B623 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.grlcy
Webroot W32.Malware.Gen
Avira TR/Crypt.XDR.Gen
Microsoft Ransom:Win32/Zudochka.D!MTB
Arcabit DeepScan:Generic.Ransom.Cuba.B4B4B623
AegisLab Trojan.Win32.Generic.j!c
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData DeepScan:Generic.Ransom.Cuba.B4B4B623
McAfee Artemis!D43213D1ACA1
MAX malware (ai score=80)
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_Zudochka.R002C0DA421
Rising Ransom.Zudochka!8.11C5E (CLOUD)
Yandex Trojan.Filecoder!RZQS3L8AduM
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.10307848.susgen
Fortinet W32/Generic.OAE!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Zudochka.HxQBu1sA

How to remove Ransom:Win32/Zudochka.D!MTB 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 GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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 will automatically start scanning your system for Ransom:Win32/Zudochka.D!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Ransom:Win32/Zudochka.D!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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