Written by Robert Bailey

What is Trojan.Win32.Chapak.ejuy infection?

In this short article you will certainly find regarding the meaning of Trojan.Win32.Chapak.ejuy and its unfavorable effect on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to demand paying the ransom money by a target.

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Most of the instances, Trojan.Win32.Chapak.ejuy ransomware will advise its targets to initiate funds move for the function of counteracting the amendments that the Trojan infection has presented to the sufferer’s gadget.

Trojan.Win32.Chapak.ejuy Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Unconventionial language used in binary resources: Spanish;
  • The binary likely contains encrypted or compressed data.;
  • Attempts to modify proxy settings;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents situated on the target’s hard disk — so the sufferer can no longer utilize the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains: BehavesLike.Win32.Vundo.gc


The most common channels where Trojan.Win32.Chapak.ejuy Trojans are injected are:

  • By methods of phishing e-mails;
  • As a repercussion of user ending up on a source that hosts a harmful software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the sufferer’s computer or protect against the device from working in a correct manner – while additionally placing a ransom note that points out the requirement for the sufferers to effect the payment for the objective of decrypting the records or bring back the file system back to the preliminary problem. In the majority of circumstances, the ransom note will come up when the client restarts the COMPUTER after the system has actually already been harmed.

Trojan.Win32.Chapak.ejuy distribution networks.

In various corners of the world, Trojan.Win32.Chapak.ejuy grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as tricks of obtaining the ransom money amount might vary depending upon particular local (local) settings. The ransom money notes and also tricks of obtaining the ransom money quantity might vary depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In certain areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the target’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software application piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Trojan.Win32.Chapak.ejuy popup alert may falsely declare to be deriving from a law enforcement institution as well as will certainly report having situated youngster porn or other prohibited information on the device.

    Trojan.Win32.Chapak.ejuy popup alert may wrongly declare to be obtaining from a regulation enforcement establishment as well as will certainly report having located kid porn or other unlawful data on the gadget. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: A2BA31A4
md5: 244d75f70e962e5c4ec3efb1d845748b
name: msofficeupdater.exe
sha1: bdfefdff7b755a89d60de22309da72b82df70ecb
sha256: 7dddeb51f2dea719a6c6e70bf30db96e3333713d998b4f8acb31ee5cecfbb912
sha512: 53e2ad9f90d779d096dffd06a13e52068134c02a885cdfd3f526f87e404fce93089710180fba559b64c1e7a63aa15f5c27d8de305e9da1688481effecab529d8
ssdeep: 12288:t3pZVf5QgrzPxW0T+10v7vG8R3hTdiIg:VpZVRQg/5VT++vzxR3Xi
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Chapak.ejuy also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware
DrWeb Trojan.Siggen9.20578
MicroWorld-eScan Trojan.GenericKD.33540391
Qihoo-360 Win32/Trojan.c5c
McAfee Artemis!244D75F70E96
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 005626191 )
BitDefender Trojan.GenericKD.33540391
K7GW Trojan ( 005626191 )
Cybereason malicious.f7b755
Invincea heuristic
BitDefenderTheta Gen:NN.ZexaF.34100.DuW@aKlFaXhG
Symantec Ransom.Nemty
APEX Malicious
GData Trojan.GenericKD.33540391
Kaspersky Trojan.Win32.Chapak.ejuy
Alibaba Trojan:Win32/Chapak.b1d97e75
Avast Win32:Trojan-gen
Rising Trojan.Kryptik!8.8 (CLOUD)
Ad-Aware Trojan.GenericKD.33540391
Emsisoft Trojan-Spy.Agent (A)
F-Secure Trojan.TR/AD.VidarStealer.avuvn
TrendMicro TROJ_GEN.R002C0DCG20
McAfee-GW-Edition BehavesLike.Win32.Vundo.gc
Sophos Mal/RyPack-A
Ikarus Trojan.Win32.Crypt
Cyren W32/Trojan.VHJJ-2385
Webroot W32.Trojan.Gen
Avira TR/AD.VidarStealer.avuvn
MAX malware (ai score=100)
Antiy-AVL Trojan/Win32.Chapak
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1FFC927
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm Trojan.Win32.Chapak.ejuy
Microsoft Trojan:Win32/ICLoader.PVD!MTB
AhnLab-V3 Trojan/Win32.MalPe.R328586
Acronis suspicious
VBA32 BScope.Trojan.AET.281105
ALYac Trojan.Agent.Wacatac
Malwarebytes Trojan.MalPack.GS
ESET-NOD32 a variant of Win32/Kryptik.HBXC
TrendMicro-HouseCall TROJ_GEN.R002C0DCG20
Tencent Win32.Trojan.Generic.Hoyn
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_57%
Fortinet W32/Chapak.A!tr
AVG Win32:Trojan-gen
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_90% (W)

How to remove Trojan.Win32.Chapak.ejuy 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 Trojan.Win32.Chapak.ejuy 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.Win32.Chapak.ejuy 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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