Ransom:MSIL/Filecoder.B!MTB

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

What is Ransom:MSIL/Filecoder.B!MTB infection?

In this post you will certainly locate about the meaning of Ransom:MSIL/Filecoder.B!MTB as well as its adverse effect on your computer system. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom by a victim.

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Most of the situations, Ransom:MSIL/Filecoder.B!MTB virus will instruct its victims to initiate funds move for the purpose of neutralizing the modifications that the Trojan infection has actually introduced to the target’s tool.

Ransom:MSIL/Filecoder.B!MTB Summary

These alterations 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.
  • 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.

  • Ciphering the papers found on the victim’s disk drive — so the target can no longer make use of the data;
  • Preventing normal 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.

Ransom:MSIL/Filecoder.B!MTB

One of the most common networks where Ransom:MSIL/Filecoder.B!MTB Ransomware are injected are:

  • By means of phishing emails;
  • As a repercussion of user ending up on a source that hosts a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s PC or avoid the tool from operating in an appropriate fashion – while likewise positioning a ransom note that points out the requirement for the targets to effect the settlement for the function of decrypting the papers or recovering the file system back to the first condition. In a lot of instances, the ransom note will certainly turn up when the customer restarts the PC after the system has currently been damaged.

Ransom:MSIL/Filecoder.B!MTB distribution networks.

In different corners of the world, Ransom:MSIL/Filecoder.B!MTB grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom quantity may differ relying on specific neighborhood (regional) settings. The ransom money notes and methods of extorting the ransom money quantity might differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the target’s device. The alert then requires the individual to pay the ransom money.

    Faulty statements regarding unlawful content.

    In nations where software application piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Ransom:MSIL/Filecoder.B!MTB popup alert might falsely assert to be originating from a law enforcement establishment as well as will report having located kid porn or various other prohibited information on the tool.

    Ransom:MSIL/Filecoder.B!MTB popup alert may incorrectly claim to be obtaining from a law enforcement establishment as well as will report having located child porn or other illegal data on the gadget. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 7F4BCA56
md5: 39e87037f2f3c456e6712093ab8d1bc8
name: 39E87037F2F3C456E6712093AB8D1BC8.mlw
sha1: 6925435f8d9006459a58c92f40b1f697388ed8cf
sha256: 03c0671a0cde47e1fbc39e01a1480f61201667c61e63d50541741e939b5670ca
sha512: 9a596474cd782f7348da192608ac6777aeb4afb5330028933dab10f5b9fc336ac96e0ddfd64b52dd8cb72cfedb44432518a1c86c06b0e335c53687f1a3be9242
ssdeep: 1536:Y7fgTksOAQVTSLYxOPUzBDTh4byFMkw+/KU6kvfqnLTqkb/Bpfw1uauKhBBzTNl:Y7nsOAx+pHqnLFb/BG1JFhBh91
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version: 1.0.0.0
InternalName: Ransomeware.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: Ransomeware_Final
ProductVersion: 1.0.0.0
FileDescription: Ransomeware_Final
OriginalFilename: Ransomeware.exe

Ransom:MSIL/Filecoder.B!MTB also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Generic.Ransom.CloudSword.4CEA1D3C
ALYac Trojan.Ransom.Stupid
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 700000121 )
BitDefender Generic.Ransom.CloudSword.4CEA1D3C
K7GW Trojan ( 700000121 )
CrowdStrike win/malicious_confidence_60% (D)
Symantec Ransom.Cryptolocker
APEX Malicious
Avast MSIL:Ransom-BQ [Trj]
Kaspersky UDS:DangerousObject.Multi.Generic
Alibaba Ransom:MSIL/Filecoder.eb88d1cf
NANO-Antivirus Trojan.Win32.FileCoder.esmout
Rising Ransom.Filecoder!8.55A8 (CLOUD)
Ad-Aware Generic.Ransom.CloudSword.4CEA1D3C
Emsisoft Generic.Ransom.CloudSword.4CEA1D3C (B)
F-Secure Heuristic.HEUR/AGEN.1109689
Zillya Trojan.Filecoder.Win32.6069
TrendMicro Ransom_STUPFTS.L
McAfee-GW-Edition GenericRXHN-KB!39E87037F2F3
FireEye Generic.mg.39e87037f2f3c456
Sophos Mal/JoCryp-A
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1109689
eGambit Unsafe.AI_Score_93%
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.TSGeneric
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:MSIL/Filecoder.B!MTB
Arcabit Generic.Ransom.CloudSword.4CEA1D3C
ZoneAlarm UDS:DangerousObject.Multi.Generic
GData Generic.Ransom.CloudSword.4CEA1D3C
Cynet Malicious (score: 85)
AhnLab-V3 Trojan/Win32.Ransom.C3181614
McAfee GenericRXHN-KB!39E87037F2F3
Malwarebytes Ransom.FileCryptor
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Filecoder.FG
TrendMicro-HouseCall Ransom_STUPFTS.L
Tencent Word.Trojan.Generic.Lnoq
Yandex Trojan.Filecoder!wAEyCkAQxEM
Ikarus Trojan-Ransom.DaVinci
MaxSecure Trojan.Malware.121218.susgen
Fortinet MSIL/Filecoder.FG!tr.ransom
BitDefenderTheta Gen:NN.ZemsilF.34608.lm0@ayGCRHi
AVG MSIL:Ransom-BQ [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwMAar8A

How to remove Ransom:MSIL/Filecoder.B!MTB 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

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:MSIL/Filecoder.B!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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:MSIL/Filecoder.B!MTB 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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