What is Ransom:Win32/Filecoder.BF!MTB infection?

In this post you will locate about the interpretation of Ransom:Win32/Filecoder.BF!MTB and also its negative impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom money by a target.

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Most of the instances, Ransom:Win32/Filecoder.BF!MTB infection will advise its targets to start funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s gadget.

Ransom:Win32/Filecoder.BF!MTB Summary

These alterations can be as adheres to:

  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • 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;
  • Likely virus infection of existing system binary;
  • Creates a copy of itself;
  • 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 records located on the sufferer’s disk drive — so the target can no longer utilize the information;
  • Preventing routine accessibility 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.


The most regular channels where Ransom:Win32/Filecoder.BF!MTB Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a resource that holds a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s PC or protect against the device from functioning in an appropriate way – while also putting a ransom note that states the requirement for the victims to impact the settlement for the objective of decrypting the documents or recovering the documents system back to the first problem. In many instances, the ransom note will certainly turn up when the client restarts the PC after the system has actually already been harmed.

Ransom:Win32/Filecoder.BF!MTB circulation channels.

In various corners of the globe, Ransom:Win32/Filecoder.BF!MTB expands by leaps and also bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom money quantity might vary relying on particular local (regional) setups. The ransom notes and methods of extorting the ransom amount may vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp after that demands the user to pay the ransom.

    Faulty statements concerning prohibited web content.

    In countries where software piracy is less prominent, this technique is not as effective for the cyber frauds. Alternatively, the Ransom:Win32/Filecoder.BF!MTB popup alert may falsely claim to be stemming from a law enforcement establishment as well as will report having situated kid pornography or other prohibited information on the tool.

    Ransom:Win32/Filecoder.BF!MTB popup alert might incorrectly assert to be deriving from a legislation enforcement institution and also will report having located kid porn or other illegal data on the tool. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 108C26F7
md5: b433072cce18c7fc0fc34539db8cf1c8
name: B433072CCE18C7FC0FC34539DB8CF1C8.mlw
sha1: 05ca189394868de78006dd5d7a1a6ceffc5c5f96
sha256: 726e3ee622677847d5747602a690ff980dd4b0624aeed887adaba43cbff56b52
sha512: 813f39a5941bfffde36b7790ebfff8af7d2052134d196ebeb6413aafbdfce087ffe0b1cdbcf022d5c56544a76fd97e5e9957e7e778e1f422f85d5812f9c229c4
ssdeep: 12288:yQmNPHo+ZQOyii2uu9QVBdKuWm7v7pV74Myf2MWhJZQf4nV:NEPHMWuWm7v7YMyeThJO4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Filecoder.BF!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00522a6d1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24354
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.Ransom.Rapid
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.7747
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Genasom.ali1000102
K7GW Trojan ( 00522a6d1 )
Cybereason malicious.cce18c
Cyren W32/S-58df75df!Eldorado
ESET-NOD32 a variant of Win32/Filecoder.Rapid.E
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Rapid-6501621-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Ransom.Rapid.703D3155
NANO-Antivirus Trojan.Win32.Encoder.exjczv
ViRobot Trojan.Win32.S.Ransom.921088
SUPERAntiSpyware Ransom.Filecoder/Variant
MicroWorld-eScan Generic.Ransom.Rapid.703D3155
Tencent Malware.Win32.Gencirc.10cd1b56
Ad-Aware Generic.Ransom.Rapid.703D3155
Sophos Mal/Generic-R + Troj/Rapid-B
Comodo TrojWare.Win32.Ransom.Filecoder.NOZ@7o64io
BitDefenderTheta AI:Packer.0B5EEE501F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.RAPID.SM
McAfee-GW-Edition BehavesLike.Win32.Generic.cm
FireEye Generic.mg.b433072cce18c7fc
Emsisoft Generic.Ransom.Rapid.703D3155 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Generic.bxmfg
Avira HEUR/AGEN.1129609
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Filecoder.BF!MTB
GData Win32.Trojan-Ransom.Filecoder.CF@gen
AhnLab-V3 Trojan/Win32.Malex.R218208
McAfee GenericRXDX-KW!B433072CCE18
MAX malware (ai score=100)
VBA32 Trojan.Encoder
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.RAPID.SM
Rising Ransom.Agent!1.C6BF (CLOUD)
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Filecoder.NOZ!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.RansomRapid.HxQBrfIA

How to remove Ransom:Win32/Filecoder.BF!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:Win32/Filecoder.BF!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/Filecoder.BF!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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