Written by Robert Bailey

What is Trojan.Win32.Chapak.ejuf infection?

In this article you will certainly find concerning the interpretation of Trojan.Win32.Chapak.ejuf and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to require paying the ransom money by a sufferer.

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Most of the instances, Trojan.Win32.Chapak.ejuf virus will certainly instruct its targets to start funds transfer for the objective of neutralizing the changes that the Trojan infection has actually presented to the sufferer’s gadget.

Trojan.Win32.Chapak.ejuf Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • A process created a hidden window;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Steals private information from local Internet browsers;
  • Network activity contains more than one unique useragent.;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the target’s disk drive — so the victim can no more use the data;
  • Preventing routine access to the target’s workstation;

Related domains: Trojan-Ransom.Win32.Crypmod.zfq Trojan-Ransom.Win32.Crypmod.zfq Trojan-Ransom.Win32.Crypmod.zfq Trojan-Ransom.Win32.Crypmod.zfq


The most normal channels where Trojan.Win32.Chapak.ejuf Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of customer winding up on a resource that organizes a malicious software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the target’s PC or protect against the device from operating in a proper manner – while also positioning a ransom money note that mentions the requirement for the victims to impact the payment for the purpose of decrypting the records or recovering the file system back to the preliminary problem. In most circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has currently been damaged.

Trojan.Win32.Chapak.ejuf distribution networks.

In various corners of the world, Trojan.Win32.Chapak.ejuf expands by jumps and also bounds. Nevertheless, the ransom money notes and techniques of extorting the ransom amount might vary relying on specific regional (regional) settings. The ransom money notes and techniques of extorting the ransom money amount might vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the target’s device. The alert then demands the user to pay the ransom money.

    Faulty statements concerning illegal material.

    In nations where software application piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Additionally, the Trojan.Win32.Chapak.ejuf popup alert may incorrectly claim to be stemming from a law enforcement organization and also will certainly report having located youngster porn or various other unlawful information on the gadget.

    Trojan.Win32.Chapak.ejuf popup alert might incorrectly declare to be acquiring from a law enforcement institution as well as will certainly report having situated 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: 7FAE5500
md5: 0d6a40e11ee43fd3763c292fef4eeed2
name: wotsuper3.exe
sha1: c90c67071c79ead1fb5aef63ebf95229dfc272b0
sha256: 7fd76fa7e0e1fd433c9c58654745e669740a57b4d05f9cb7a4d2fcb6bef2bb02
sha512: b20a9e734eeacda7d2d8df3659d5a6f6a5e188656f45f0f72042655b03f483e51613af1b2a5f2228b9fdd376019dae2c800295243aeb2758a0ba1d9ec6274af5
ssdeep: 12288:pANwRo+mv8QD4+0V16J9fodtIGBEa4iMhPbS4r4jRzj2bqCoQkN:pAT8QE+kKBoASIZ3r4FzKuskN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

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

Trojan.Win32.Chapak.ejuf also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.GenericKD.42840542
Qihoo-360 Generic/HEUR/QVM05.1.D3C1.Malware.Gen
McAfee Artemis!0D6A40E11EE4
Cylance Unsafe
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.42840542
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_60% (W)
Invincea heuristic
Symantec ML.Attribute.HighConfidence
APEX Malicious
GData Win32.Trojan-Stealer.Vidar.8K44TF
Kaspersky Trojan.Win32.Chapak.ejuf
Rising Trojan.Kryptik!8.8 (CLOUD)
Endgame malicious (moderate confidence)
Emsisoft Trojan-Dropper.Agent (A)
F-Secure Trojan.TR/AD.VidarStealer.fckka
DrWeb Trojan.Siggen9.20256
McAfee-GW-Edition BehavesLike.Win32.BadFile.jc
Sophos Mal/RyPack-A
Ikarus Trojan-Spy.Win32.Vidar
Webroot W32.Trojan.Gen
Avira TR/AD.VidarStealer.fckka
MAX malware (ai score=87)
Antiy-AVL Trojan/Win32.Wacatac
Arcabit Trojan.Generic.D28DB1DE
AegisLab Trojan.Multi.Generic.4!c
ZoneAlarm Trojan.Win32.Chapak.ejuf
Microsoft Trojan:Win32/Tiggre!rfn
AhnLab-V3 Malware/Win32.Generic.C3733562
VBA32 BScope.Trojan.AET.281105
Malwarebytes Trojan.Downloader
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.HBWN
Tencent Malware.Win32.Gencirc.10b8ad88
eGambit Unsafe.AI_Score_99%
Fortinet PossibleThreat.MU
BitDefenderTheta Gen:NN.ZexaF.34100.DuW@aCsy9omG
AVG Win32:Malware-gen
Cybereason malicious.71c79e
Avast Win32:Malware-gen
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq

How to remove Trojan.Win32.Chapak.ejuf 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

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 Trojan.Win32.Chapak.ejuf 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.ejuf you can always ask me in the comments for getting help.

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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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