Win32/Filecoder.HydraCrypt.L

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

What is Win32/Filecoder.HydraCrypt.L infection?

In this short article you will discover concerning the meaning of Win32/Filecoder.HydraCrypt.L as well as its adverse effect on your computer. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom by a victim.

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Most of the instances, Win32/Filecoder.HydraCrypt.L ransomware will certainly advise its targets to initiate funds move for the objective of counteracting the amendments that the Trojan infection has introduced to the victim’s gadget.

Win32/Filecoder.HydraCrypt.L Summary

These adjustments can be as follows:

  • 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.
  • 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.
  • Unconventionial language used in binary resources: Belarusian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to stop active services;
  • Modifies boot configuration settings;
  • 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;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files located on the victim’s disk drive — so the sufferer can no longer use the data;
  • Preventing routine access to the sufferer’s workstation;

Win32/Filecoder.HydraCrypt.L

One of the most normal networks where Win32/Filecoder.HydraCrypt.L Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or protect against the gadget from functioning in a proper way – while likewise positioning a ransom note that states the demand for the victims to impact the payment for the function of decrypting the records or restoring the documents system back to the first condition. In many circumstances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Filecoder.HydraCrypt.L distribution channels.

In different edges of the globe, Win32/Filecoder.HydraCrypt.L expands by jumps and also bounds. However, the ransom money notes and techniques of obtaining the ransom money quantity may differ relying on specific neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom amount may differ depending on certain regional (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the user to pay the ransom.

    Faulty statements concerning unlawful web content.

    In nations where software program piracy is much less preferred, this method is not as efficient for the cyber scams. Additionally, the Win32/Filecoder.HydraCrypt.L popup alert might incorrectly declare to be deriving from a law enforcement institution as well as will report having situated kid pornography or various other illegal data on the tool.

    Win32/Filecoder.HydraCrypt.L popup alert might wrongly assert to be acquiring from a legislation enforcement establishment and will report having situated youngster porn or various other illegal data on the device. The alert will in a similar way include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 7DF0E715
md5: a862f5ee210a43fddcb33ad2f01af73f
name: A862F5EE210A43FDDCB33AD2F01AF73F.mlw
sha1: f71297632052974c83b95412dcb07090089b890d
sha256: ceaee070d84bb182593787002442520acbbac7a0e5ec6cecde40370d5d744023
sha512: d1fc2b06ebe589da722fb8a914621389027ca39eccd45f43608cb872a0d72d28e80fae039144a48aed48b7b2ef54489e1f2f06431df26bebd8d67f03a6820160
ssdeep: 768:jFrLm+uZVOMBfPUN4XqtpU6so4UeWtf4MonQAkeysDPX2ycic:9SbVzZP6tG7o4UeWtwULeysDv2y9c
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Oren Music PanelControl Copyright (C) 2017
InternalName: Oren Music PanelControl
FileVersion: 3.7.1.2
CompanyName: Oren Music PanelControl
ProductName: Oren Music PanelControl
ProductVersion: 3.7.1.2
FileDescription: Oren Music PanelControl
OriginalFilename: Oren Music PanelControl
Translation: 0x047e 0x04b0

Win32/Filecoder.HydraCrypt.L also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
DrWeb Trojan.MulDrop7.31641
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Noob.A4
ALYac Trojan.Ransom.NoobCrypt
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.55048
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Riskware ( 0040eff71 )
Cybereason malicious.e210a4
Symantec Ransom.Gen
ESET-NOD32 Win32/Filecoder.HydraCrypt.L
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Fury.kn
BitDefender DeepScan:Generic.Ransom.Mole.7290D09E
NANO-Antivirus Trojan.Win32.Cryrar.eqtzmo
MicroWorld-eScan DeepScan:Generic.Ransom.Mole.7290D09E
Tencent Trojan-Ransom.Win32.Cryrar.a
Ad-Aware DeepScan:Generic.Ransom.Mole.7290D09E
Sophos Mal/Generic-S
Comodo Malware@#2zc2r0ccn5ij6
BitDefenderTheta Gen:NN.ZexaF.34608.dq0@a8y2BVeI
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Fury.R002C0OAF21
McAfee-GW-Edition BehavesLike.Win32.Emotet.qc
FireEye Generic.mg.a862f5ee210a43fd
Emsisoft DeepScan:Generic.Ransom.Mole.7290D09E (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.GenKD
Avira HEUR/AGEN.1100847
eGambit Unsafe.AI_Score_95%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Wraut.A
AegisLab Trojan.Win32.Cryrar.j!c
GData DeepScan:Generic.Ransom.Mole.7290D09E
TACHYON Ransom/W32.Cryrar.57856
AhnLab-V3 Trojan/Win32.Cryrar.C2045462
McAfee GenericRXEX-ZV!A862F5EE210A
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.Cryrar
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_Fury.R002C0OAF21
Rising Ransom.Cryrar!8.4549 (CLOUD)
Ikarus Trojan-Ransom.CryptoMix
Fortinet W32/Cryrar.GTA!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Fury.HxQBEpsA

How to remove Win32/Filecoder.HydraCrypt.L 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.

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.HydraCrypt.L 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.L 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/comparison

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.

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