Win32/Filecoder.HydraCrypt.D

What is Win32/Filecoder.HydraCrypt.D infection?

In this short article you will certainly locate regarding the meaning of Win32/Filecoder.HydraCrypt.D and also its negative influence on your computer. Such ransomware are a kind of malware that is clarified by online frauds to require paying the ransom by a sufferer.

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In the majority of the cases, Win32/Filecoder.HydraCrypt.D virus will certainly advise its victims to launch funds move for the function of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Filecoder.HydraCrypt.D Summary

These alterations 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.
  • 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.
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a copy of itself;
  • Appends a known CryptFile2 ransomware file extension to files that have been encrypted;
  • Creates a known CryptFile2 ransomware decryption instruction / key file.;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s disk drive — so the victim can no more use the information;
  • Preventing regular 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.

Win32/Filecoder.HydraCrypt.D

One of the most common channels where Win32/Filecoder.HydraCrypt.D are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a source that holds a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or avoid the gadget from working in a correct manner – while additionally placing a ransom money note that discusses the requirement for the victims to effect the payment for the function of decrypting the records or recovering the data system back to the first condition. In a lot of circumstances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Win32/Filecoder.HydraCrypt.D circulation channels.

In various corners of the world, Win32/Filecoder.HydraCrypt.D grows by leaps and bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom amount may vary depending upon certain neighborhood (regional) settings. The ransom notes as well as techniques of obtaining the ransom money amount may vary depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the target’s gadget. The sharp then demands the user to pay the ransom money.

    Faulty statements regarding unlawful content.

    In nations where software program piracy is less preferred, this approach is not as efficient for the cyber scams. Alternatively, the Win32/Filecoder.HydraCrypt.D popup alert may wrongly assert to be originating from a police organization and will certainly report having located kid pornography or various other prohibited data on the device.

    Win32/Filecoder.HydraCrypt.D popup alert may wrongly declare to be deriving from a legislation enforcement establishment as well as will report having situated child pornography or other prohibited data on the device. The alert will similarly have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 8E8D3AFE
md5: f27519b964ba21ca09a4fe64917cc375
name: F27519B964BA21CA09A4FE64917CC375.mlw
sha1: a1e92ee4e2ded2a84659929b4d5ccd74df9edbe0
sha256: a1e4693db6419eb5588f25d2b9f90db6c0e96e30a51fed5f0236cbdd49894e75
sha512: f4693b7fec46d847f3c4182cefcd49952ac1a0d96468f3059b5ba54debc028127ba8b7cf0d7b274285f4f4dd4b8af46f5539d4ca9a71245413141bbbe1aaef18
ssdeep: 1536:/IQs/pd8PvFn55MeiIgKwOTg5PfveW1iTfC8X:gQp55X2xc7LX
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: SpyFinders Copyright (C) 2016
InternalName: Spy_Finders
FileVersion: 56,12,423,12
CompanyName: DecodeInstructios
FileDescrip: DecodeInstructions
ProductName: SpyHuntars
ProductVersion: 56,12,423,12
OriginalFilename: Spy_Finders
Transla: 0x0410 0x04e4

Win32/Filecoder.HydraCrypt.D also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0051e0161 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.7047
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.TeslaCrypt.A5
ALYac Trojan.Ransom.Crypted
Cylance Unsafe
Zillya Trojan.Blocker.Win32.36022
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.3c24970d
K7GW Trojan ( 0051e0161 )
Cybereason malicious.964ba2
Cyren W32/S-7754af4d!Eldorado
ESET-NOD32 Win32/Filecoder.HydraCrypt.D
Zoner Trojan.Win32.46426
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Blocker.jtrr
BitDefender Gen:Variant.Mikey.56173
NANO-Antivirus Trojan.Win32.Blocker.eiiupu
ViRobot Trojan.Win32.Z.Hydracrypt.84480
MicroWorld-eScan Gen:Variant.Mikey.56173
Tencent Malware.Win32.Gencirc.11494c3c
Ad-Aware Gen:Variant.Mikey.56173
Sophos Mal/Generic-R + Troj/Ransom-EJC
Comodo Malware@#36e3f302bushs
BitDefenderTheta Gen:NN.ZexaF.34628.fu0@aemudroi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPHYDRA.I
McAfee-GW-Edition Ransomware-FXC!F27519B964BA
FireEye Generic.mg.f27519b964ba21ca
Emsisoft Gen:Variant.Mikey.56173 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Blocker.foj
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1127116
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/HydraCrypt.A
AegisLab Adware.Win32.Gamevance.lpEb
GData Gen:Variant.Mikey.56173
TACHYON Ransom/W32.Agent.84480
AhnLab-V3 Trojan/Win32.Agent.C1658054
McAfee Ransomware-FXC!F27519B964BA
MAX malware (ai score=100)
VBA32 Hoax.Blocker
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPHYDRA.I
Rising Ransom.HydraCrypt!8.864F (KTSE)
Ikarus Trojan-Ransom.CryptoMix
Fortinet W32/HydraCrypt.D!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HgIASOgA

How to remove Win32/Filecoder.HydraCrypt.D 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.

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.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Filecoder.HydraCrypt.D 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.HydraCrypt.D 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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