Trojan.Win32.Chapak.eyfj

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

What is Trojan.Win32.Chapak.eyfj infection?

In this post you will discover concerning the interpretation of Trojan.Win32.Chapak.eyfj and also its negative influence on your computer. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the situations, Trojan.Win32.Chapak.eyfj virus will instruct its sufferers to start funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the sufferer’s device.

Trojan.Win32.Chapak.eyfj Summary

These adjustments 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • 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;
  • Steals private information from local Internet browsers;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the target’s hard disk drive — so the target can no longer utilize the data;
  • Preventing routine accessibility 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
raytracingengine.comBehavesLike.Win32.RansomGandCrab.hc
ip-api.comBehavesLike.Win32.RansomGandCrab.hc
redirector.gvt1.comBehavesLike.Win32.RansomGandCrab.hc
r1—sn-4g5e6ne6.gvt1.comBehavesLike.Win32.RansomGandCrab.hc
update.googleapis.comBehavesLike.Win32.RansomGandCrab.hc
r1—sn-4g5e6nzl.gvt1.comBehavesLike.Win32.RansomGandCrab.hc

Trojan.Win32.Chapak.eyfj

One of the most typical networks whereby Trojan.Win32.Chapak.eyfj are infused are:

  • By means of phishing emails;
  • As a consequence of user winding up on a source that hosts a destructive software application;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s computer or prevent the device from working in an appropriate way – while also putting a ransom note that states the need for the sufferers to impact the settlement for the objective of decrypting the documents or recovering the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has actually already been harmed.

Trojan.Win32.Chapak.eyfj circulation channels.

In various edges of the world, Trojan.Win32.Chapak.eyfj expands by leaps and bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom money quantity may differ relying on certain neighborhood (regional) settings. The ransom notes and also techniques of obtaining the ransom quantity may differ depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having identified some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty declarations regarding illegal content.

    In countries where software program piracy is less popular, this technique is not as effective for the cyber scams. Alternatively, the Trojan.Win32.Chapak.eyfj popup alert might incorrectly claim to be deriving from a police organization and will report having located kid pornography or various other illegal data on the gadget.

    Trojan.Win32.Chapak.eyfj popup alert might falsely assert to be obtaining from a regulation enforcement organization and also will report having situated youngster pornography or other illegal information on the gadget. The alert will likewise have a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 101B86B9
md5: 14c352be7111714a07714ab82bfd1b70
name: 14C352BE7111714A07714AB82BFD1B70.mlw
sha1: 3db41efadf56deafeff3ac541ea68c0046843e47
sha256: 1b7bc78836c832c48b86f5c5406741018af99062461b8f4f2f9e55c8fcc076fc
sha512: 45e15889a6d44891755aaa7de5abced9ea1cd5fdb91d2e284430c65647e136ca5a3b246b7a9ff14fbaf0a2d857e625fa359faeaeefed72e62b04c246214ab4ec
ssdeep: 12288:vLu6SoojusTzFFlMB9gRzAZxBBJYXNwntYkxIKh2xvfBHDw3:vLHf+uOhFlMo16xeNwnakxph2pfBHDw3
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: vebug.ekc
Prod: 1.2.4
FileVersions: 1.0.5.9
LegalCo: Copyri (C) 2019, pirmudakionca

Trojan.Win32.Chapak.eyfj also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.36149438
CAT-QuickHealTrojan.Zenpack
Qihoo-360Generic/HEUR/QVM11.1.AEDC.Malware.Gen
McAfeeRDN/ArkeiStealer
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.87765
AegisLabTrojan.Win32.Chapak.4!c
SangforMalware
K7AntiVirusTrojan ( 005765391 )
BitDefenderTrojan.GenericKD.36149438
K7GWTrojan ( 005765391 )
Cybereasonmalicious.adf56d
ArcabitTrojan.Generic.D22798BE
CyrenW32/Trojan.OJIR-2517
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:TrojanX-gen [Trj]
KasperskyTrojan.Win32.Chapak.eyfj
AlibabaTrojan:Win32/Chapak.e42d5c00
ViRobotTrojan.Win32.Z.Agent.557568.YV
RisingTrojan.Kryptik!1.D13F (CLASSIC)
Ad-AwareTrojan.GenericKD.36149438
EmsisoftTrojan.Crypt (A)
ComodoMalware@#1j3embga3vi2q
F-SecureTrojan.TR/AD.VidarStealer.cllsh
DrWebTrojan.Siggen11.58788
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_FRS.0NA104AI21
McAfee-GW-EditionBehavesLike.Win32.RansomGandCrab.hc
FireEyeGeneric.mg.14c352be7111714a
SophosMal/Generic-S
IkarusTrojan.MalPack
JiangminTrojan.Chapak.lsp
WebrootW32.Trojan.Gen
AviraTR/AD.VidarStealer.cllsh
KingsoftWin32.Troj.Generic_a.a.(kcloud)
GridinsoftTrojan.Win32.Packed.oa
MicrosoftTrojan:Win32/LokibotCrypt.MT!MTB
ZoneAlarmTrojan.Win32.Chapak.eyfj
GDataTrojan.GenericKD.36149438
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Agent.R363591
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34780.ImGfamjiSogc
ALYacTrojan.PSW.Vidar
VBA32Trojan.Injuke
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.HIVX
TrendMicro-HouseCallTROJ_FRS.0NA104AI21
TencentWin32.Trojan.Chapak.Dzah
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_80%
FortinetW32/Kryptik.GWXD!tr
AVGWin32:TrojanX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan.Win32.Chapak.eyfj 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.

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.eyfj 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan.Win32.Chapak.eyfj you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending