Trojan.Win32.Chapak.ejum

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

What is Trojan.Win32.Chapak.ejum infection?

In this short article you will certainly locate about the meaning of Trojan.Win32.Chapak.ejum and its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by on-line frauds to demand paying the ransom money by a target.

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Most of the cases, Trojan.Win32.Chapak.ejum ransomware will certainly instruct its victims to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s tool.

Trojan.Win32.Chapak.ejum Summary

These alterations 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.
  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s disk drive — so the sufferer can no more use the information;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
mangroveforests.comTrojan-Ransom.Win32.Crypmod.zfq
www.bing.comTrojan-Ransom.Win32.Crypmod.zfq

Trojan.Win32.Chapak.ejum

One of the most regular networks whereby Trojan.Win32.Chapak.ejum Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or stop the tool from functioning in a proper fashion – while additionally placing a ransom note that mentions the need for the targets to impact the payment for the objective of decrypting the records or bring back the file system back to the preliminary condition. In most instances, the ransom money note will show up when the client reboots the PC after the system has actually already been damaged.

Trojan.Win32.Chapak.ejum distribution networks.

In different edges of the world, Trojan.Win32.Chapak.ejum expands by leaps and also bounds. However, the ransom money notes as well as methods of obtaining the ransom money quantity might differ depending upon specific neighborhood (local) settings. The ransom money notes as well as tricks of obtaining the ransom quantity may differ depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having found some unlicensed applications allowed on the victim’s tool. The sharp then demands the individual to pay the ransom.

    Faulty statements about illegal content.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Additionally, the Trojan.Win32.Chapak.ejum popup alert might falsely declare to be deriving from a police establishment and also will certainly report having situated kid pornography or various other illegal data on the device.

    Trojan.Win32.Chapak.ejum popup alert may incorrectly claim to be obtaining from a regulation enforcement organization as well as will report having located child porn or various other prohibited data on the gadget. The alert will likewise have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: FA8D3D97
md5: 1c0f8a571a4886bf52273bbe44732929
name: wotsuper3.exe
sha1: 87b054eac16356591ae393fe4508c05ac9691ab6
sha256: 31cad75949606e8222b49da2322658fc8b419917a5d2842c26df9dc537110200
sha512: 822fb2a5d057a8508a638e0406e46dd38bed164bc0c82eb3ccb62375792ccb701fe6b7c9dc0121cf13aca694e8747a17c15a0dd7988819bda9f0f1eba6d342a8
ssdeep: 24576:pAT8QE+kfqpj5iX8ly9gRwPgB9pkvjPztSDR9p3yz0B39RRr:pAI+7LlF7kvtqR9sze3Zr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: wotsuper
FileDescription: wotsuper 2.1 Installation
FileVersion: 2.1
Comments:
CompanyName: wotsuper
Translation: 0x0409 0x04e4

Trojan.Win32.Chapak.ejum also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.33538434
Qihoo-360Generic/HEUR/QVM05.1.D51B.Malware.Gen
McAfeeArtemis!1C0F8A571A48
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 005625431 )
BitDefenderTrojan.GenericKD.33538434
K7GWTrojan ( 005625431 )
ArcabitTrojan.Generic.D28DB555
Invinceaheuristic
APEXMalicious
AvastWin32:PWSX-gen [Trj]
KasperskyTrojan.Win32.Chapak.ejum
AlibabaTrojan:Win32/Chapak.c390f65d
ViRobotTrojan.Win32.Z.Downloader.1026927
AegisLabTrojan.Win32.Chapak.4!c
TencentMalware.Win32.Gencirc.10b8ad88
Endgamemalicious (moderate confidence)
EmsisoftTrojan-Dropper.Agent (A)
F-SecureTrojan.TR/AD.VidarStealer.absza
DrWebTrojan.Siggen9.20262
TrendMicroTROJ_GEN.R049C0DCE20
McAfee-GW-EditionRDN/Generic.dx
FortinetW32/Kryptik.A!tr
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.1c0f8a571a4886bf
SophosMal/RyPack-A
IkarusTrojan-Dropper.RTF.Agent
WebrootW32.Trojan.Gen
AviraTR/AD.VidarStealer.absza
MAXmalware (ai score=83)
Antiy-AVLTrojan/Win32.Wacatac
MicrosoftTrojan:Win32/Skeeyah.A!rfn
SUPERAntiSpywareTrojan.Agent/Gen-Downloader
ZoneAlarmTrojan.Win32.Chapak.ejum
AhnLab-V3Malware/Win32.Generic.C3733562
VBA32BScope.Trojan.AET.281105
MalwarebytesTrojan.Downloader
PandaTrj/CI.A
ESET-NOD32a variant of Win32/Kryptik.HBWN
TrendMicro-HouseCallTROJ_GEN.R049C0DCE20
RisingTrojan.Kryptik!8.8 (CLOUD)
eGambitUnsafe.AI_Score_99%
GDataTrojan.GenericKD.42841429
BitDefenderThetaGen:NN.ZexaF.34100.DuW@am4uNNlG
AVGWin32:PWSX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_70% (W)
MaxSecureTrojan-Ransom.Win32.Crypmod.zfq

How to remove Trojan.Win32.Chapak.ejum 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.Win32.Chapak.ejum 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.ejum 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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