Win32/Filecoder.BH

What is Win32/Filecoder.BH infection?

In this article you will certainly discover concerning the definition of Win32/Filecoder.BH and also its negative impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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Most of the instances, Win32/Filecoder.BH virus will advise its sufferers to launch funds move for the function of neutralizing the changes that the Trojan infection has introduced to the target’s device.

Win32/Filecoder.BH Summary

These modifications can be as follows:

  • Attempts to connect to a dead IP:Port (1 unique times);
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • 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 remove evidence of file being downloaded from the Internet;
  • 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
  • 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.
  • Likely virus infection of existing system binary;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Attempts to disable Windows Defender;
  • Attempts to modify or disable Security Center warnings;
  • Ciphering the documents situated on the target’s hard drive — so the target can no longer use the data;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
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Win32/Filecoder.BH

One of the most common channels through which Win32/Filecoder.BH Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or avoid the gadget from operating in a correct fashion – while additionally putting a ransom note that points out the need for the targets to impact the settlement for the objective of decrypting the records or restoring the file system back to the first problem. In the majority of instances, the ransom note will certainly show up when the customer reboots the COMPUTER after the system has already been damaged.

Win32/Filecoder.BH distribution channels.

In various edges of the globe, Win32/Filecoder.BH grows by jumps and bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money amount might vary depending upon specific regional (regional) setups. The ransom notes and techniques of obtaining the ransom money quantity might differ depending on particular regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In specific areas, the Trojans often wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the user to pay the ransom money.

    Faulty statements about prohibited content.

    In nations where software piracy is less preferred, this approach is not as reliable for the cyber scams. Alternatively, the Win32/Filecoder.BH popup alert may falsely declare to be deriving from a law enforcement institution and also will report having situated youngster pornography or other prohibited information on the device.

    Win32/Filecoder.BH popup alert might incorrectly claim to be deriving from a regulation enforcement institution and will certainly report having located youngster pornography or other unlawful information on the gadget. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 39FDB3C8
md5: 7fb238f32b4e3804fd175d1a687d9611
name: 7FB238F32B4E3804FD175D1A687D9611.mlw
sha1: 2420bbc3b7352c57877622e2303bbe2b528d0796
sha256: 75052ca1cf9c295f631979d111d6be4a27c15426e00b215583c6b2128b184547
sha512: 4199bd264a2dad2f20cd4a702b02afe29ae346efa944d786642c0b757453617971316ab41f4b83aa6897899ca967c2d18027ca9063c99b434657185b33c7cc0f
ssdeep: 3072:YVOOJx1R5yAdd0cubb+gjPZ2KtjS+YIoBe5DE1Dx+IHIGLKnbFNOsKpjf:gOOtRrd0PyotjS+Yt9nHIGLINOHpr
type: MS-DOS executable, MZ for MS-DOS

Version Info:

0: [No Data]

Win32/Filecoder.BH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0044516f1 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.9241
Cynet Malicious (score: 100)
ALYac GenPack:Trojan.Ransom.ABZ
Cylance Unsafe
Zillya Trojan.Blocker.Win32.63628
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.a54d0f7e
K7GW Trojan ( 0044516f1 )
Cybereason malicious.32b4e3
Cyren W32/Ransom.HTLL-8465
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.BH
APEX Malicious
Avast FileRepMalware
ClamAV Win.Ransomware.Swed-9757258-0
Kaspersky Trojan-Ransom.Win32.Blocker.bqlz
BitDefender GenPack:Trojan.Ransom.ABZ
NANO-Antivirus Trojan.Win32.Blocker.idkjzn
MicroWorld-eScan GenPack:Trojan.Ransom.ABZ
Tencent Win32.Trojan.Raas.Auto
Ad-Aware GenPack:Trojan.Ransom.ABZ
Sophos Mal/Generic-R + Mal/TinyDL-T
Comodo Malware@#3c4s85tcyu0xi
BitDefenderTheta AI:Packer.1AB822821E
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_DIRCRYPT.K
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.7fb238f32b4e3804
Emsisoft GenPack:Trojan.Ransom.ABZ (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.srq
Avira TR/Crypt.XPACK.Gen
Microsoft Ransom:Win32/Blocker
AegisLab Trojan.Win32.GenericCryptor.m5oU
GData GenPack:Trojan.Ransom.ABZ
Acronis suspicious
McAfee Artemis!7FB238F32B4E
MAX malware (ai score=83)
VBA32 Trojan.Agent
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_DIRCRYPT.K
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!tZo7CxxVvcs
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Blocker.BH!tr.ransom
AVG FileRepMalware
Paloalto generic.ml

How to remove Win32/Filecoder.BH ransomware?

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 GridinSoft2

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

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.BH 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.BH you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. 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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