Trojan.Agent.EYHC

Written by Robert Bailey

What is Trojan.Agent.EYHC infection?

In this post you will certainly discover about the interpretation of Trojan.Agent.EYHC as well as its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom by a victim.

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In the majority of the cases, Trojan.Agent.EYHC virus will certainly instruct its victims to initiate funds transfer for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the victim’s tool.

Trojan.Agent.EYHC Summary

These modifications 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.
  • Mimics the system’s user agent string for its own requests;
  • Expresses interest in specific running processes;
  • 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 modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the files situated on the victim’s hard disk — so the victim can no longer use the data;
  • Preventing regular accessibility to the target’s workstation;

Trojan.Agent.EYHC

One of the most regular channels where Trojan.Agent.EYHC Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a resource that holds a destructive software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or prevent the gadget from operating in an appropriate manner – while additionally putting a ransom note that points out the requirement for the targets to effect the payment for the objective of decrypting the records or recovering the documents system back to the first condition. In a lot of instances, the ransom money note will show up when the customer reboots the COMPUTER after the system has actually already been harmed.

Trojan.Agent.EYHC circulation channels.

In different edges of the world, Trojan.Agent.EYHC expands by leaps and also bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom money quantity might differ depending on certain local (regional) setups. The ransom money notes and also techniques of extorting the ransom quantity may differ depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In certain areas, the Trojans typically wrongfully report having actually found some unlicensed applications made it possible for on the victim’s device. The sharp after that requires the user to pay the ransom money.

    Faulty declarations concerning unlawful content.

    In countries where software program piracy is less prominent, this technique is not as effective for the cyber fraudulences. Alternatively, the Trojan.Agent.EYHC popup alert might falsely claim to be originating from a law enforcement institution and will certainly report having situated youngster pornography or other prohibited data on the gadget.

    Trojan.Agent.EYHC popup alert may wrongly assert to be obtaining from a law enforcement institution and also will certainly report having situated youngster pornography or other prohibited information on the tool. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 1DECC99D
md5: e93984404d535ac64c4cf932189b065b
name: R.exe
sha1: de65b8745a81f88cd86724f080f4c24327fa39f7
sha256: c7a4199d752b521b499aafcfff10c9e3fb536974d5aee361cf7fbc74dc150581
sha512: c81cdb588a89df9b11b41f251df4af8b241d52d31eacc01f60ae5d66555136d397f5cd3ecc2042ecff402c53c30cfe317e43e8540f7d1e16a868e03adfed9bed
ssdeep: 6144:fbjOkBEajFYRhpAw1fIMpjksQZz7c2qHPC3hWjZc6fleqcyCCuKH:fPz2a22qHksQZvQHPOc1DeqpCCuK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Agent.EYHC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Emotet.1046
ClamAV Win.Trojan.Generic-9784952-0
FireEye Generic.mg.e93984404d535ac6
McAfee Emotet-FSF!E93984404D53
K7AntiVirus Trojan ( 00571ef71 )
BitDefender Trojan.Agent.EYHC
K7GW Trojan ( 00571ef71 )
Cybereason malicious.45a81f
Invincea Generic ML PUA (PUA)
Cyren W32/Kryptik.CIF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Banker.Win32.Emotet.gen
MicroWorld-eScan Trojan.Agent.EYHC
Rising Trojan.Generic@ML.85 (RDMK:Xqe8Tt5QZfuwaCvZSLi4WQ)
Ad-Aware Trojan.Agent.EYHC
F-Secure Trojan.TR/AD.Emotet.foa
McAfee-GW-Edition BehavesLike.Win32.Emotet.fh
Emsisoft Trojan.Agent.EYHC (B)
Avira TR/AD.Emotet.foa
MAX malware (ai score=81)
Microsoft Trojan:Win32/EmotetCrypt.ARK!MTB
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Agent.EYHC
ZoneAlarm HEUR:Trojan-Banker.Win32.Emotet.gen
GData Trojan.Agent.EYHC
AhnLab-V3 Malware/Win32.Generic.C4215257
ALYac Trojan.Agent.Emotet
Malwarebytes Trojan.Emotet
Panda Trj/GdSda.A
ESET-NOD32 Win32/Emotet.CI
Ikarus Trojan-Banker.Emotet
eGambit Unsafe.AI_Score_61%
Fortinet W32/Emotet.AMH!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (W)

How to remove Trojan.Agent.EYHC 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 Trojan.Agent.EYHC 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Agent.EYHC 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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