Trojan.Win32.Chapak.aycq

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

What is Trojan.Win32.Chapak.aycq infection?

In this article you will locate regarding the meaning of Trojan.Win32.Chapak.aycq as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on the internet scams to require paying the ransom by a sufferer.

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Most of the instances, Trojan.Win32.Chapak.aycq ransomware will instruct its targets to launch funds move for the function of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s device.

Trojan.Win32.Chapak.aycq Summary

These modifications can be as adheres to:

  • 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.
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • 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 victim’s disk drive — so the target can no longer make use of the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan.Win32.Chapak.aycq

The most typical networks through which Trojan.Win32.Chapak.aycq are infused are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a resource that hosts a destructive software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or protect against the tool from functioning in a proper manner – while additionally positioning a ransom note that mentions the requirement for the sufferers to impact the settlement for the function of decrypting the papers or recovering the documents system back to the initial condition. In most circumstances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has already been damaged.

Trojan.Win32.Chapak.aycq circulation channels.

In different corners of the world, Trojan.Win32.Chapak.aycq expands by jumps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom money quantity might differ relying on specific neighborhood (regional) setups. The ransom notes and tricks of obtaining the ransom amount might vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications enabled on the victim’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty declarations concerning prohibited web content.

    In countries where software application piracy is less prominent, this method is not as effective for the cyber frauds. Additionally, the Trojan.Win32.Chapak.aycq popup alert might incorrectly declare to be originating from a police organization and will certainly report having situated kid porn or other unlawful information on the device.

    Trojan.Win32.Chapak.aycq popup alert may incorrectly claim to be acquiring from a regulation enforcement institution and also will report having situated youngster pornography or various other prohibited information on the device. The alert will in a similar way consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: BCAB8CFD
md5: 24191ca8d10dfc17c536acd4717fbefe
name: 24191CA8D10DFC17C536ACD4717FBEFE.mlw
sha1: 3b38fe6233e39bc6f848aa4c0260b15ebd12f7ae
sha256: 534bbf6d127a270a32c80a593b8819b6df4a8d5f4a25079e4f1fe5b4fcc31572
sha512: 5e4740daaa5b47b3e7b2be268cbc84b505e198c7b6410554610cfc9f923018fd972952b50dfdda0d575410b1c716dc52148a68537fddd081af7bdb171f0e4b1f
ssdeep: 3072:gLp7Y4zOeurq06KdRlTn9CI8IwBiGy5CH770:gLp7Y4zOFrqJKzldwBbb7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: ostrsdtgsdfg.exe
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

Trojan.Win32.Chapak.aycq also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.24943
CynetMalicious (score: 100)
ALYacTrojan.Brsecmon.1
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.19187
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaTrojan:Win32/Chapak.9e6a3df2
K7GWTrojan ( 00516fdf1 )
K7AntiVirusTrojan ( 00516fdf1 )
CyrenW32/Kryptik.JT.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GLLW
APEXMalicious
AvastWin32:TrojanX-gen [Trj]
KasperskyTrojan.Win32.Chapak.aycq
BitDefenderTrojan.Brsecmon.1
NANO-AntivirusTrojan.Win32.Chapak.fixzep
MicroWorld-eScanTrojan.Brsecmon.1
TencentWin32.Trojan.Chapak.Hnuv
Ad-AwareTrojan.Brsecmon.1
SophosMal/Generic-R + Mal/GandCrab-G
ComodoTrojWare.Win32.Ransom.Gandcrab.AQA@7x2qbr
BitDefenderThetaGen:NN.ZexaF.34670.nu0@a4z2Ajoi
VIPRETrojan.Win32.Generic!BT
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionBehavesLike.Win32.Dropper.dh
FireEyeGeneric.mg.24191ca8d10dfc17
EmsisoftTrojan.Brsecmon.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojanSpy.Stealer.em
WebrootW32.Adware.Installcore
AviraHEUR/AGEN.1102756
eGambitUnsafe.AI_Score_98%
MicrosoftRansom:Win32/Gandcrab.G!MTB
ArcabitTrojan.Brsecmon.1
AegisLabTrojan.Win32.Chapak.4!c
GDataTrojan.Brsecmon.1
AhnLab-V3Malware/Win32.Generic.R241391
Acronissuspicious
McAfeeTrojan-FQDF!24191CA8D10D
MAXmalware (ai score=100)
VBA32BScope.TrojanDownloader.Vigorf
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingTrojan.Vigorf!8.EAEA (CLOUD)
YandexTrojan.GenAsa!xBmX87frsBM
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/GenKryptik.CNLN!tr
AVGWin32:TrojanX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCEpsA

How to remove Trojan.Win32.Chapak.aycq 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.aycq 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.aycq 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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