Win32/Injector.DMUI

What is Win32/Injector.DMUI infection?

In this article you will certainly find about the interpretation of Win32/Injector.DMUI and also its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a sufferer.

In the majority of the cases, Win32/Injector.DMUI virus will certainly instruct its victims to launch funds move for the purpose of counteracting the changes that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Injector.DMUI Summary

These adjustments 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Executed a process and injected code into it, probably while unpacking;
  • 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 copy of itself;
  • Ciphering the records found on the victim’s disk drive — so the sufferer can no longer make use of 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.

Win32/Injector.DMUI

One of the most typical channels where Win32/Injector.DMUI are infused are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a resource that organizes a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or protect against the gadget from working in a proper fashion – while additionally positioning a ransom money note that states the need for the sufferers to impact the repayment for the function of decrypting the documents or restoring the file system back to the initial condition. In many circumstances, the ransom money note will certainly come up when the customer restarts the PC after the system has actually already been harmed.

Win32/Injector.DMUI circulation channels.

In numerous corners of the globe, Win32/Injector.DMUI expands by jumps as well as bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom money quantity might vary relying on specific local (regional) settings. The ransom money notes and techniques of obtaining the ransom amount might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually detected some unlicensed applications made it possible for on the target’s tool. The alert then requires the customer to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software piracy is much less preferred, this method is not as effective for the cyber scams. Conversely, the Win32/Injector.DMUI popup alert may wrongly claim to be originating from a police organization as well as will report having located child pornography or other unlawful data on the tool.

    Win32/Injector.DMUI popup alert may wrongly assert to be deriving from a regulation enforcement establishment and will certainly report having located child pornography or other illegal data on the device. The alert will likewise have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 911FB9C4md5: c30859947bda40236e72186f3fc8ea27name: C30859947BDA40236E72186F3FC8EA27.mlwsha1: 25c9a5e5b996cc8ec07edce65258caa780ef48fbsha256: fe6450d87a1e98e7c14152201ec3a5ee9cbe7099b80d4669a8556b43e5159c66sha512: 3db3ed6970391465bb78b809b531f1fa0c2dd9c4ea990299704b12ecf2835f12c2b2f45a42f21433ab9bfd78f7b5d36e1263cd33ce5cef3c19aafce401558a14ssdeep: 12288:cK+mjEaYf03ys/h1l9gDjgwaLDbSII70N2lfYxr6uplR:cK+QEaiVs/hL9gDj4/bSII4iqDlRtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

CompiledScript: AutoIt v3 Script: 3, 3, 8, 1FileVersion: 3, 3, 8, 1FileDescription: Translation: 0x0809 0x04b0

Win32/Injector.DMUI also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 700000111 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Panda.655
Cynet Malicious (score: 90)
ALYac Trojan.Dropper.Zbot.U
Cylance Unsafe
Zillya Trojan.Blocker.Win32.10334
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Blocker.60f476e3
K7GW Trojan ( 700000111 )
Cybereason malicious.47bda4
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Injector.DMUI
APEX Malicious
Avast AutoIt:MalOb-BH [Trj]
ClamAV Win.Dropper.Cloud-6651616-0
Kaspersky Trojan-Ransom.Win32.Blocker.cffk
BitDefender Trojan.Dropper.Zbot.U
NANO-Antivirus Trojan.Script.Agent.debxaj
MicroWorld-eScan Trojan.Dropper.Zbot.U
Tencent Win32.Trojan.Fakedoc.Auto
Ad-Aware Trojan.Dropper.Zbot.U
Sophos Mal/Generic-R + Troj/AutoIt-WA
Comodo Malware@#eup0mlralak6
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.SoftPulse.jc
FireEye Trojan.Dropper.Zbot.U
Emsisoft Trojan.Dropper.Zbot.U (B)
Webroot W32.Gen.Bt
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_84%
Microsoft Trojan:Win32/Toga!rfn
Arcabit Trojan.Dropper.Zbot.U
AegisLab Trojan.Win32.Blocker.4!c
GData Trojan.Dropper.Zbot.U
TACHYON Ransom/W32.Blocker.1127938
AhnLab-V3 Trojan/Win32.Injector.R82465
McAfee Artemis!C30859947BDA
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Malwarebytes Malware.Heuristic.1003
TrendMicro-HouseCall HV_AUTOIT_BK083142.TOMC
Ikarus Trojan-Spy.Agent
MaxSecure Trojan.Autoit.AZA
Fortinet W32/Fynloski.AM!tr
AVG AutoIt:MalOb-BH [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOoA

How to remove Win32/Injector.DMUI virus?

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

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 Win32/Injector.DMUI you can always ask me in the comments for getting help.

References

    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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