Trojan.MSIL.Dnoper

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan.MSIL.Dnoper infection?

In this short article you will certainly find concerning the interpretation of Trojan.MSIL.Dnoper as well as its adverse influence on your computer system. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the instances, Trojan.MSIL.Dnoper infection will instruct its victims to initiate funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually introduced to the victim’s device.

Trojan.MSIL.Dnoper Summary

These modifications can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • 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.
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a copy of itself;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Ciphering the papers found on the target’s hard disk — so the target can no longer make use of the information;
  • Preventing normal 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.

Trojan.MSIL.Dnoper

One of the most typical channels whereby Trojan.MSIL.Dnoper are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer ending up on a source that holds a malicious software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or avoid the tool from working in a proper manner – while likewise positioning a ransom money note that points out the need for the victims to impact the settlement for the function of decrypting the files or restoring the documents system back to the initial condition. In the majority of instances, the ransom money note will turn up when the client restarts the PC after the system has currently been damaged.

Trojan.MSIL.Dnoper distribution networks.

In various edges of the globe, Trojan.MSIL.Dnoper grows by jumps as well as bounds. However, the ransom notes as well as methods of extorting the ransom quantity might vary relying on particular local (regional) setups. The ransom notes and methods of extorting the ransom amount might differ depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the target’s tool. The alert then requires the individual to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software application piracy is less preferred, this approach is not as efficient for the cyber frauds. Additionally, the Trojan.MSIL.Dnoper popup alert may incorrectly declare to be originating from a police organization and will report having located child porn or various other illegal information on the gadget.

    Trojan.MSIL.Dnoper popup alert might falsely claim to be obtaining from a regulation enforcement institution and also will certainly report having situated kid porn or other prohibited data on the gadget. The alert will likewise have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 0A8142AD
md5: b5d185d10e8002e243aca08998f87d25
name: B5D185D10E8002E243ACA08998F87D25.mlw
sha1: 653c9207892ffb6015935d43f26d2a481b898194
sha256: 91c13fa568bb40c847f860a3b0f795fb53dcb061a25714e501acdda4f7c28fd6
sha512: 58b88028834ca89cdf81dd16e1793510207549c9624c11fbd5616f6baa28fbef6b896daaaa62d52c7d4f4b7ba69ea990813de99bf0d28e66b8c56401a2085a7e
ssdeep: 6144:7Bq81bzwf9LzH2lbNqEyo7W1ivY53PN1VeYM:FZ1YzWlb/yoC0vY5FiR
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: lokjhgfder xa9 2020
Assembly Version: 9.0.3.9
InternalName: lokjhgfder.exe
FileVersion: 9.0.3.9
CompanyName: lokjhgfder
LegalTrademarks:
Comments: lokjhgfder
ProductName: lokjhgfder
ProductVersion: 9.0.3.9
FileDescription: lokjhgfder
OriginalFilename: lokjhgfder.exe

Trojan.MSIL.Dnoper also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0056b5b81 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop16.33942
CynetMalicious (score: 100)
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
K7GWTrojan ( 0056b5b81 )
Cybereasonmalicious.7892ff
ESET-NOD32a variant of MSIL/Filecoder.ABC
APEXMalicious
AvastWin32:MalwareX-gen [Trj]
KasperskyHEUR:Trojan.MSIL.Dnoper.gen
SophosML/PE-A
F-SecureTrojan.TR/Ransom.mayxu
BitDefenderThetaGen:NN.ZemsilF.34628.mm0@a8uBbKo
FireEyeGeneric.mg.b5d185d10e8002e2
AviraTR/Ransom.mayxu
eGambitUnsafe.AI_Score_99%
MicrosoftBackdoor:Win32/Bladabindi!ml
ZoneAlarmHEUR:Trojan.MSIL.Dnoper.gen
PandaTrj/GdSda.A
SentinelOneStatic AI – Malicious PE
AVGWin32:MalwareX-gen [Trj]

How to remove Trojan.MSIL.Dnoper ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Trojan.MSIL.Dnoper 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 Trojan.MSIL.Dnoper you can always ask me in the comments for getting help.

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References

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

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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