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

What is Win32/Filecoder.Bart.B infection?

In this short article you will locate concerning the meaning of Win32/Filecoder.Bart.B and also its adverse influence on your computer. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom by a target.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the situations, Win32/Filecoder.Bart.B ransomware will certainly instruct its victims to initiate funds transfer for the function of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s device.

Win32/Filecoder.Bart.B Summary

These adjustments can be as complies with:

  • 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.
  • 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.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify Explorer settings to prevent file extensions from being displayed;
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the documents situated on the sufferer’s hard drive — so the sufferer can no more make use of the data;
  • 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.


The most typical channels where Win32/Filecoder.Bart.B Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer 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 information on the target’s computer or protect against the device from working in an appropriate fashion – while also putting a ransom money note that points out the need for the sufferers to impact the repayment for the objective of decrypting the documents or bring back the data system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly turn up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Win32/Filecoder.Bart.B distribution channels.

In numerous edges of the world, Win32/Filecoder.Bart.B expands by jumps and bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money quantity might vary relying on particular regional (local) settings. The ransom notes as well as techniques of obtaining the ransom amount might vary depending on specific neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the target’s device. The sharp then demands the user to pay the ransom money.

    Faulty statements concerning illegal material.

    In nations where software program piracy is much less popular, this technique is not as efficient for the cyber frauds. Additionally, the Win32/Filecoder.Bart.B popup alert may wrongly assert to be stemming from a police establishment and will report having located child pornography or other illegal information on the gadget.

    Win32/Filecoder.Bart.B popup alert might falsely claim to be acquiring from a regulation enforcement organization as well as will certainly report having located child porn or other unlawful information on the gadget. The alert will similarly include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 76AB0E09
md5: 6de7324c37519831cf586e3b2c786e53
name: 6DE7324C37519831CF586E3B2C786E53.mlw
sha1: abb423454abd2caa431634667903640037b6ee9b
sha256: 45fcdd90b1268f6d5dd2a99a78c3df1a95b7809cbe13b68d9f164edd2264005e
sha512: 6172a9b52749e89017c4ad2f685a4399e5d092e0517ef98dff6d071b61e5db7343ca5298d00c57b1fed2d5a7afc9b63d2be8cd89b83af0c09b3e6c950c227227
ssdeep: 3072:3s+7qZCqeKW9cafSypBCaJDftXdCD66X:377qZCqeKW9cotpBfVVoDX
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Bart.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.6023
MicroWorld-eScan Gen:Variant.Graftor.514451
ALYac Trojan.Ransom.Bart
Cylance Unsafe
Zillya Trojan.Bart.Win32.4
Sangfor Trojan.Win32.Heuristic.rg
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Malcol.8557fdcc
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.c37519
Cyren W32/Bart.XLFA-8354
ESET-NOD32 Win32/Filecoder.Bart.B
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Bart.i
BitDefender Gen:Variant.Graftor.514451
NANO-Antivirus Trojan.Win32.Encoder.fbbpdt
ViRobot Trojan.Win32.S.Ransom.123904
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Variant.Graftor.514451
Sophos Mal/Generic-R + Troj/Ransom-DRJ
BitDefenderTheta Gen:NN.ZexaF.34738.hmW@aOhCGUm
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_BARTZ.E
Emsisoft Gen:Variant.Graftor.514451 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Bart.f
Webroot W32.Ransomware.Bart
Avira HEUR/AGEN.1112626
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.1BE098D
Microsoft Ransom:Win32/FileCryptor
Arcabit Trojan.Graftor.D7D993
AegisLab Trojan.Win32.Bart.j!c
GData Gen:Variant.Graftor.514451
TACHYON Ransom/W32.Bart.123904
McAfee Trojan-FJQI!6DE7324C3751
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Bart
Malwarebytes Malware.Heuristic.1004
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_BARTZ.E
Rising [email protected] (RDML:8aXMaDisKGkBXSOURPruxg)
Yandex Trojan.GenAsa!H4Q32bwtwNg
Ikarus Trojan-Ransom.Bart
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.FPHR!tr
AVG Win32:Trojan-gen

How to remove Win32/Filecoder.Bart.B 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 Win32/Filecoder.Bart.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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Filecoder.Bart.B you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

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.

Leave a Reply