Win32/Filecoder.FH

What is Win32/Filecoder.FH infection?

In this short article you will certainly find concerning the meaning of Win32/Filecoder.FH and its unfavorable influence on your computer. Such ransomware are a form of malware that is specified by online scams to require paying the ransom money by a sufferer.

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In the majority of the instances, Win32/Filecoder.FH virus will certainly instruct its sufferers to start funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s gadget.

Win32/Filecoder.FH Summary

These adjustments can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Steals private information from local Internet browsers;
  • Exhibits behavior characteristic of Pony malware;
  • Exhibits possible ransomware file modification behavior;
  • Collects information about installed applications;
  • 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.
  • Harvests information related to installed mail clients;
  • Ciphering the files found on the victim’s hard drive — so the sufferer can no longer use the information;
  • Preventing normal 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.

Win32/Filecoder.FH

The most regular channels through which Win32/Filecoder.FH Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of individual ending up on a source that holds a harmful software application;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or prevent the gadget from operating in a proper manner – while additionally putting a ransom money note that points out the demand for the victims to effect the settlement for the function of decrypting the files or recovering the data system back to the initial condition. In most instances, the ransom money note will certainly show up when the client reboots the PC after the system has actually already been damaged.

Win32/Filecoder.FH distribution networks.

In different edges of the globe, Win32/Filecoder.FH grows by leaps and bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom money quantity might differ depending on particular regional (regional) setups. The ransom notes as well as techniques of obtaining the ransom quantity may vary depending on certain neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the victim’s gadget. The sharp after that requires the customer to pay the ransom.

    Faulty statements regarding unlawful material.

    In nations where software piracy is less prominent, this technique is not as reliable for the cyber frauds. Conversely, the Win32/Filecoder.FH popup alert might wrongly declare to be deriving from a law enforcement institution and will certainly report having situated youngster porn or other prohibited information on the tool.

    Win32/Filecoder.FH popup alert might falsely claim to be acquiring from a regulation enforcement institution as well as will certainly report having situated youngster pornography or other illegal data on the tool. The alert will in a similar way consist of a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 1B0FBF9B
md5: cdd2fcaa5d43e2a7bb6cf0a82e1f5d52
name: CDD2FCAA5D43E2A7BB6CF0A82E1F5D52.mlw
sha1: 175d0d2a7b6eb187b57352ec16fac02fd8301c3b
sha256: 9036769c91557ae6a7e2487069c5ec8a2ac66280bbca296ba9c6ff113a247ac1
sha512: 1e509400dc57b013067134f434ec34e2a846c44eaa064ee9f2dafdbd358a887543dbdecd9e8db65f706717f321947a114997d03b385e976a6cd994afc164b41c
ssdeep: 12288:8oSuTeJZ/AaNbq+dfcDojf0hxZnLBEWYWGS0C89BzT:89EiZ/5N2ucMLUuWYVSIX
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

ProductVersion: 1.6.0.3861
Translation: 0x0000 0x04b0

Win32/Filecoder.FH also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004da3dc1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen1.60701
Cynet Malicious (score: 85)
ALYac Trojan.Generic.17912999
Cylance Unsafe
Zillya Trojan.Agent.Win32.970698
Sangfor Ransom.Win32.Agent.ism
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Filecoder.c8664557
K7GW Trojan ( 004da3dc1 )
Cybereason malicious.a5d43e
Symantec SMG.Heur!gen
ESET-NOD32 Win32/Filecoder.FH
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Malware.Fareit-7055972-0
Kaspersky Trojan-Ransom.Win32.Agent.ism
BitDefender Trojan.Generic.17912999
MicroWorld-eScan Trojan.Generic.17912999
Tencent Malware.Win32.Gencirc.10b7da9b
Ad-Aware Trojan.Generic.17912999
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPVAULT.F116LS
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
FireEye Generic.mg.cdd2fcaa5d43e2a7
Emsisoft Trojan.Generic.17912999 (B)
Webroot W32.Ransom.Gen
Avira HEUR/AGEN.1123666
Microsoft Ransom:MacOS/Filecoder
Arcabit Trojan.Generic.D11154A7
ZoneAlarm Trojan-Ransom.Win32.Agent.ism
GData Trojan.Generic.17912999
McAfee Artemis!CDD2FCAA5D43
MAX malware (ai score=88)
VBA32 Trojan.Inject
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPVAULT.F116LS
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Filecoder.FH!tr.ransom
AVG Win32:Evo-gen [Susp]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HgIASOoA

How to remove Win32/Filecoder.FH 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.FH 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.FH 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/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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