What is Win32/Filecoder.Maze.B infection?

In this post you will certainly discover concerning the meaning of Win32/Filecoder.Maze.B as well as its negative impact on your computer system. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom money by a victim.

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Most of the cases, Win32/Filecoder.Maze.B virus will advise its victims to initiate funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s gadget.

Win32/Filecoder.Maze.B Summary

These modifications can be as adheres to:

  • 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.;
  • Exhibits possible ransomware file modification behavior;
  • Ciphering the documents situated on the sufferer’s hard disk drive — so the target can no longer use the data;
  • Preventing regular 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.


The most typical networks where Win32/Filecoder.Maze.B are infused are:

  • By ways of phishing e-mails;
  • As an effect of individual ending up on a source that holds a malicious software;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or stop the device from operating in an appropriate fashion – while likewise placing a ransom money note that points out the need for the targets to impact the payment for the objective of decrypting the documents or bring back the documents system back to the first condition. In most instances, the ransom note will certainly come up when the client restarts the PC after the system has currently been damaged.

Win32/Filecoder.Maze.B circulation channels.

In various corners of the world, Win32/Filecoder.Maze.B expands by leaps as well as bounds. Nonetheless, the ransom notes and methods of extorting the ransom amount might differ depending upon certain regional (local) settings. The ransom notes and also techniques of obtaining the ransom money quantity may differ depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The alert then demands the user to pay the ransom.

    Faulty statements about prohibited web content.

    In nations where software program piracy is much less preferred, this technique is not as effective for the cyber frauds. Additionally, the Win32/Filecoder.Maze.B popup alert might incorrectly claim to be stemming from a law enforcement institution as well as will certainly report having situated child pornography or various other unlawful data on the tool.

    Win32/Filecoder.Maze.B popup alert may incorrectly assert to be acquiring from a legislation enforcement organization and will certainly report having located kid porn or other illegal data on the gadget. The alert will likewise consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 7330E131
md5: 8bb9bf4b8be1141c4cdc4d435bfe7d0e
name: 8BB9BF4B8BE1141C4CDC4D435BFE7D0E.mlw
sha1: dfc77a86fb58c2aa04b6b0399eea6dd0d642baa0
sha256: 0fb01d846e2682ed2507367d2d4537c45800304410b270a13e94f1ca778d161e
sha512: 6f17104ad9a11bd84a917a9d6ca285ffdef0fbda3645b936e271be9c3ed1c92abbaa63322c826cf10663a013593e975d42b355c1b5e828e24eda31c143a0e94e
ssdeep: 6144:2s2s5cIDrLrLrLC8R/HVj8Zxrl9n8Rtx/kWy/kXeV50DEr1Ng/ydlb4fQ6wFMvC:1ayPuxLfcDYNg6dNoQl+v
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Maze.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055f8811 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.28416
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.ChaCha
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.13978
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/RansomX.3138d32d
K7GW Trojan ( 0055f8811 )
Cybereason malicious.b8be11
Cyren W32/Ransom.NC.gen!Eldorado
Symantec Ransom.Maze
ESET-NOD32 a variant of Win32/Filecoder.Maze.B
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky Trojan-Ransom.Win32.Maze.ew
BitDefender Generic.Ransom.Maze.89157CD4
NANO-Antivirus Trojan.Win32.Encoder.hjdlhd
ViRobot Trojan.Win32.S.MazeRansom.373760
MicroWorld-eScan Generic.Ransom.Maze.89157CD4
Tencent Malware.Win32.Gencirc.114935a4
Ad-Aware Generic.Ransom.Maze.89157CD4
Sophos Mal/Generic-S
Comodo Malware@#27bgseljkga0y
BitDefenderTheta Gen:NN.ZexaF.34628.wqW@aWvHyCj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.MAZE.SMDA
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Emsisoft Generic.Ransom.Maze.89157CD4 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Ransom.Maze
Avira TR/Downloader.Gen
Microsoft Ransom:MacOS/Filecoder
Arcabit Generic.Ransom.Maze.89157CD4
GData Generic.Ransom.Maze.89157CD4
TACHYON Ransom/W32.Maze.373760.B
AhnLab-V3 Trojan/Win32.MazeRansom.R348784
Acronis suspicious
McAfee Ransom-Maze-GYK!8BB9BF4B8BE1
MAX malware (ai score=100)
VBA32 BScope.Trojan.Wacatac
Malwarebytes Ransom.Maze
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.MAZE.SMDA
Rising Ransom.Maze!1.BE87 (CLOUD)
Yandex Trojan.Filecoder!ct/VuhYO/X4
Ikarus Trojan-Ransom.Maze
MaxSecure Trojan.Malware.73774235.susgen
Fortinet W32/Gen.B!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Qihoo-360 Win32/Ransom.Maze.HxQBEpsA

How to remove Win32/Filecoder.Maze.B 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.

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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.

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Press “Install” button.

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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 Win32/Filecoder.Maze.B 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 Win32/Filecoder.Maze.B you can always ask me in the comments for getting help.

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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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