Trojan.Win32.Chapak.eyhc

Written by Robert Bailey

What is Trojan.Win32.Chapak.eyhc infection?

In this short article you will certainly discover concerning the interpretation of Trojan.Win32.Chapak.eyhc and also its unfavorable impact on your computer. Such ransomware are a type of malware that is elaborated by on the internet frauds to demand paying the ransom money by a target.

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In the majority of the instances, Trojan.Win32.Chapak.eyhc ransomware will advise its targets to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s device.

Trojan.Win32.Chapak.eyhc Summary

These modifications can be as complies with:

  • 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Ukrainian;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the sufferer’s disk drive — so the target can no longer utilize the data;
  • Preventing routine access to the sufferer’s workstation;

Related domains:

z.whorecord.xyz BehavesLike.Win32.RansomGandCrab.rc
a.tomx.xyz BehavesLike.Win32.RansomGandCrab.rc
redirector.gvt1.com BehavesLike.Win32.RansomGandCrab.rc
r1—sn-4g5e6ne6.gvt1.com BehavesLike.Win32.RansomGandCrab.rc
update.googleapis.com BehavesLike.Win32.RansomGandCrab.rc
r1—sn-4g5e6nzl.gvt1.com BehavesLike.Win32.RansomGandCrab.rc

Trojan.Win32.Chapak.eyhc

The most normal networks through which Trojan.Win32.Chapak.eyhc Ransomware Trojans are injected are:

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

As soon as the Trojan is effectively injected, it will either cipher the information on the target’s PC or prevent the tool from working in a proper way – while likewise positioning a ransom money note that mentions the requirement for the victims to impact the settlement for the objective of decrypting the records or recovering the documents system back to the initial problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has actually currently been damaged.

Trojan.Win32.Chapak.eyhc circulation networks.

In numerous corners of the world, Trojan.Win32.Chapak.eyhc grows by leaps and also bounds. However, the ransom money notes and techniques of extorting the ransom money quantity might vary depending on specific regional (regional) settings. The ransom notes as well as tricks of obtaining the ransom quantity might vary depending on specific local (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In particular locations, the Trojans often wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The sharp then demands the customer to pay the ransom.

    Faulty statements about prohibited material.

    In countries where software piracy is much less popular, this approach is not as efficient for the cyber frauds. Alternatively, the Trojan.Win32.Chapak.eyhc popup alert may wrongly declare to be originating from a law enforcement organization and also will certainly report having located kid porn or other unlawful data on the tool.

    Trojan.Win32.Chapak.eyhc popup alert may falsely claim to be acquiring from a regulation enforcement establishment as well as will report having located kid porn or various other unlawful information on the device. The alert will in a similar way consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 82C9C53B
md5: 8796a88fff5c15428d604863eee89d74
name: 8796A88FFF5C15428D604863EEE89D74.mlw
sha1: e2b241a2d1bdbe7aeb48c5dca077343b0a5f5115
sha256: b33e0075b79ddadc3da08e3f5e03c61189f022c8838e9ef084094debd12cf5e6
sha512: 4acb13f2dc6f7ac635b0c4f93338c7e350974288d03867cfb2c3e6868a4f2087b7041fe1860d0cd4c65feb7c863562044a5e5848845bdf44096e5cd6edea1719
ssdeep: 98304:ORBnRIMy5eJB1yxRBsCTYxALMuIvL0y90aQHDkBICdjtDLIkwQcYY2ee9LB/ZCE7:KXBL1GkAq/QA55wQ/nLrYJphwFOPpqS+
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: vebug.ekc
Prod: 1.2.5
FileVersions: 1.0.5.9
LegalCo: Copyri (C) 2019, pirmudakionca

Trojan.Win32.Chapak.eyhc also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.AntiSandbox.GenericKDS.45519255
FireEye Generic.mg.8796a88fff5c1542
McAfee Artemis!8796A88FFF5C
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 005765391 )
BitDefender Trojan.AntiSandbox.GenericKDS.45519255
K7GW Trojan ( 005765391 )
Cybereason malicious.2d1bdb
Cyren W32/Trojan.UJXX-7070
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
Kaspersky Trojan.Win32.Chapak.eyhc
Alibaba Trojan:Win32/Chapak.105cd90a
AegisLab Trojan.Win32.Chapak.4!c
Ad-Aware Trojan.AntiSandbox.GenericKDS.45519255
Emsisoft Trojan.AntiSandbox.GenericKDS.45519255 (B)
F-Secure Trojan.TR/AD.GoCloudnet.zerze
DrWeb Trojan.Siggen11.58923
McAfee-GW-Edition BehavesLike.Win32.RansomGandCrab.rc
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Krypt
Webroot W32.Rogue.Gen
Avira TR/AD.GoCloudnet.zerze
MAX malware (ai score=89)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/LokibotCrypt.MS!MTB
Gridinsoft Trojan.Win32.Kryptik.oa
Arcabit Trojan.AntiSandbox.GenericS.D2B69197
ZoneAlarm Trojan.Win32.Chapak.eyhc
GData Trojan.AntiSandbox.GenericKDS.45519255
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R363591
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34780.@pGfa4Pnqmcc
ALYac Trojan.AntiSandbox.GenericKDS.45519255
VBA32 Trojan.Zenpak
Malwarebytes Trojan.MalPack.GS
Panda Trj/RnkBend.A
ESET-NOD32 a variant of Win32/Kryptik.HIVX
Rising Trojan.Kryptik!1.D13F (CLASSIC)
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.HBRS!tr
AVG Win32:DropperX-gen [Drp]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Generic/Trojan.344

How to remove Trojan.Win32.Chapak.eyhc 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 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.

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Press “Install” button.

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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.Win32.Chapak.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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If the guide doesn’t help you to remove Trojan.Win32.Chapak.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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