Trojan:Win32/Chapak.C

What is Trojan:Win32/Chapak.C infection?

In this post you will find about the definition of Trojan:Win32/Chapak.C and also its negative impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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Most of the instances, Trojan:Win32/Chapak.C virus will certainly instruct its targets to initiate funds transfer for the objective of reducing the effects of the changes that the Trojan infection has presented to the victim’s device.

Trojan:Win32/Chapak.C Summary

These modifications 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Crashed cuckoomon during analysis. Report this error to the Github repo.;
  • 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 — so the sufferer can no longer utilize the data. This is the typical behavior of malware known as ransomware that encrypts a victim’s files. The cybercriminal then demands a ransom from the victim to restore access to the data upon payment.
  • Preventing normal accessibility to the victim’s workstation;

Trojan:Win32/Chapak.C

One of the most common channels whereby Trojan:Win32/Chapak.C Ransomware Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of customer ending up on a resource that holds a destructive software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or protect against the gadget from working in a correct fashion – while also placing a ransom money note that points out the demand for the victims to effect the repayment for the purpose of decrypting the records or restoring the documents system back to the preliminary condition. In the majority of instances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Trojan:Win32/Chapak.C distribution channels.

In various edges of the world, Trojan:Win32/Chapak.C grows by jumps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom amount might differ depending on particular neighborhood (regional) settings. The ransom money notes as well as methods of obtaining the ransom quantity might vary depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s gadget. The alert after that demands the user to pay the ransom.

    Faulty statements about illegal content.

    In nations where software application piracy is less prominent, this technique is not as effective for the cyber fraudulences. Additionally, the Trojan:Win32/Chapak.C popup alert might incorrectly declare to be deriving from a law enforcement establishment as well as will certainly report having located youngster porn or other prohibited data on the tool.

    Trojan:Win32/Chapak.C popup alert may falsely declare to be obtaining from a law enforcement organization and also will report having located kid porn or other illegal data on the tool. The alert will likewise contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: B524EABA
md5: 0d9459c9bf9dee9c89c72599df2a74f8
name: 0D9459C9BF9DEE9C89C72599DF2A74F8.mlw
sha1: ca165f172295a308f13aca43507001bf871feb01
sha256: 745568ff48abcffbe02de9246e249549ebbfa3d5bf9d269b6eed550d1e4fb911
sha512: ce9f2abc981b37db21962dbc0dbec865963b30aced8f0e7634277c69d1edc3b44083261460eb028d58b04c2dd6b838f39c5e4b3f7c8e0310da0efdb5c4b15302
ssdeep: 3072:ePACH0VQkWZ67j82BJwV5HymgNVug2hgGGzCL5lxpuBb0ybUuUQfexG0h8nD+jRF:eJZWT1KgnzCL5lxybdwGeAqgA1qu
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Chapak.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 00532fcf1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Cloxer.A06
ALYac Trojan.Ransom.GandCrab.Gen.2
Malwarebytes Trojan.MalPack
Zillya Trojan.GandCrypt.Win32.264
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 00532fcf1 )
Cybereason malicious.9bf9de
Cyren W32/S-94c882be!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GHFR
APEX Malicious
Avast Win32:Agent-BCIA [Trj]
ClamAV Win.Packed.Phorpiex-9810805-1
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.GandCrypt.fcyqwl
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10c93876
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Comodo TrojWare.Win32.Magniber.FGH@7nyazg
BitDefenderTheta Gen:NN.ZexaF.34670.lyX@a4DdT@oi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Trojan.cc
FireEye Generic.mg.0d9459c9bf9dee9c
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
Jiangmin Trojan.GandCrypt.ds
Avira HEUR/AGEN.1103299
Microsoft Trojan:Win32/Chapak.C
AegisLab Trojan.Win32.GandCrypt.j!c
ZoneAlarm HEUR:Trojan.Win32.Chapak.gen
GData Trojan.Ransom.GandCrab.Gen.2
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee GenericRXFP-BC!0D9459C9BF9D
MAX malware (ai score=100)
VBA32 BScope.TrojanRansom.GandCrypt
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Trojan.Kryptik!1.B2AC (CLOUD)
SentinelOne Static AI – Malicious PE
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:Agent-BCIA [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Chapak.HwoCEpsA

How to remove Trojan:Win32/Chapak.C 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.

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Press “Install” button.

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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.C 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.C 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/products/

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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