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

What is Trojan:Win32/BuerLoader!MSR infection?

In this short article you will certainly find about the definition of Trojan:Win32/BuerLoader!MSR as well as its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

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In the majority of the cases, Trojan:Win32/BuerLoader!MSR infection will advise its victims to start funds transfer for the objective of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s device.

Trojan:Win32/BuerLoader!MSR Summary

These adjustments can be as adheres to:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • 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.

  • A process created a hidden window;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the victim’s hard drive — so the sufferer can no more utilize the information;
  • Preventing normal access to the sufferer’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 NSIS/Injector.AKF!tr.ransom


One of the most typical channels through which Trojan:Win32/BuerLoader!MSR Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that organizes a destructive software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or prevent the gadget from working in a correct manner – while also putting a ransom note that mentions the need for the victims to effect the payment for the purpose of decrypting the papers or bring back the documents system back to the preliminary problem. In the majority of instances, the ransom money note will certainly turn up when the customer reboots the PC after the system has currently been harmed.

Trojan:Win32/BuerLoader!MSR distribution channels.

In numerous edges of the globe, Trojan:Win32/BuerLoader!MSR grows by leaps as well as bounds. However, the ransom money notes as well as tricks of obtaining the ransom quantity may differ depending upon specific regional (regional) setups. The ransom money notes and also tricks of obtaining the ransom money quantity may vary depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations about unlawful content.

    In countries where software application piracy is less popular, this method is not as reliable for the cyber scams. Conversely, the Trojan:Win32/BuerLoader!MSR popup alert may falsely declare to be stemming from a police institution and will certainly report having situated youngster pornography or various other prohibited data on the gadget.

    Trojan:Win32/BuerLoader!MSR popup alert may incorrectly assert to be acquiring from a legislation enforcement organization and will certainly report having situated kid pornography or various other illegal data on the gadget. The alert will likewise consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 0694B458
md5: 65d160b89f6f563bca60461adc71f979
name: 65D160B89F6F563BCA60461ADC71F979.mlw
sha1: a61e74e58d3c5eee4a127dd108cff9dbbcfc8ef1
sha256: 3abed86f46c8be754239f8c878f035efaae91c33b8eb8818c5bbed98c4d9a3ac
sha512: d7dc4a53fda4880ee689e1e39129af4100f9a877a4ebb8f9915554c7739a956011338bcd7a43726261f0041f1a5976ffc044475e7ceb9b08073cd037bc59a88d
ssdeep: 24576:cRGTl08SERfOVXuwPjCO47i4QhPMMBxzLic2VKJz16To2Dv4et08wRYB7PAe:cMFls6Omi4QTHLic0kOowd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 My Company. All rights reserved.
InternalName: myfile.exe
CompanyName: My Company
ProductName: My App
FileDescription: Description of my application
OriginalFilename: myfile.exe
Translation: 0x0409 0x04b0

Trojan:Win32/BuerLoader!MSR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0057b2e21 )
Elastic malicious (high confidence)
Cynet Malicious (score: 99)
CAT-QuickHeal Trojan.FlyStudio
ALYac Trojan.BuerLoader
Cylance Unsafe
Zillya Dropper.Agent.Win32.452858
Sangfor Trojan.Win32.Wacatac.B
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/BuerLoader.214aa67a
K7GW Trojan ( 0057b2e21 )
Cybereason malicious.58d3c5
Cyren W32/Trojan.QFWC-8684
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Dropper.Win32.Agent.gen
BitDefender Trojan.GenericKD.46133711
ViRobot Dropper.S.Agent.1549932
MicroWorld-eScan Trojan.GenericKD.46133711
Ad-Aware Trojan.GenericKD.46133711
Sophos Mal/Generic-S + Troj/Inject-GWA
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.Win32.BUERLOADER.B
Emsisoft Trojan.GenericKD.46133711 (B)
Avira HEUR/AGEN.1142075
Microsoft Trojan:Win32/BuerLoader!MSR
Arcabit Trojan.Generic.D2BFF1CF
GData Trojan.GenericKD.46133711
AhnLab-V3 Trojan/Win.Generic.C4449684
McAfee Artemis!65D160B89F6F
MAX malware (ai score=89)
VBA32 TrojanDropper.Agent
Malwarebytes RiskWare.FlyStudio
Panda Trj/CI.A
TrendMicro-HouseCall Trojan.Win32.BUERLOADER.B
Rising Trojan.Injector/NSIS!1.BFBB (CLASSIC)
Fortinet NSIS/Injector.AKF!tr.ransom
AVG Win32:Malware-gen

How to remove Trojan:Win32/BuerLoader!MSR 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:Win32/BuerLoader!MSR 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/BuerLoader!MSR you can always ask me in the comments for getting help.

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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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