Trojan.Win32.Chapak.albn

Written by Robert Bailey

What is Trojan.Win32.Chapak.albn infection?

In this short article you will find about the interpretation of Trojan.Win32.Chapak.albn as well as its negative influence on your computer system. Such ransomware are a kind of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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Most of the instances, Trojan.Win32.Chapak.albn infection will certainly advise its targets to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the sufferer’s device.

Trojan.Win32.Chapak.albn 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Unconventionial language used in binary resources: Spanish (Guatemala);
  • 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!
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the target’s disk drive — so the sufferer can no longer utilize the information;
  • 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.

Trojan.Win32.Chapak.albn

One of the most normal networks where Trojan.Win32.Chapak.albn Trojans are infused 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 consequence of customer ending up on a source that organizes a destructive software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or protect against the gadget from functioning in a proper way – while also placing a ransom money note that discusses the need for the victims to effect the repayment for the function of decrypting the records or bring back the file system back to the first condition. In a lot of instances, the ransom money note will certainly show up when the customer reboots the PC after the system has actually already been damaged.

Trojan.Win32.Chapak.albn circulation networks.

In numerous edges of the world, Trojan.Win32.Chapak.albn grows by jumps as well as bounds. However, the ransom money notes and techniques of obtaining the ransom money quantity might vary relying on specific neighborhood (local) setups. The ransom money notes and tricks of obtaining the ransom money amount may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having found some unlicensed applications allowed on the victim’s gadget. The sharp after that requires the user to pay the ransom money.

    Faulty statements regarding illegal web content.

    In countries where software application piracy is much less prominent, this method is not as reliable for the cyber frauds. Conversely, the Trojan.Win32.Chapak.albn popup alert may falsely assert to be originating from a police institution as well as will certainly report having situated child pornography or various other illegal information on the gadget.

    Trojan.Win32.Chapak.albn popup alert might falsely claim to be deriving from a law enforcement establishment and also will report having located child pornography or other illegal data on the gadget. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 076813D2
md5: 81c4f4781f9be7811381ca44624a63f8
name: 81C4F4781F9BE7811381CA44624A63F8.mlw
sha1: c314839603419eae6f7601723fc6421865c785c1
sha256: a2f247ff2b26aba779922435853a8a5134bba16ceadf56ff0f2a36d230da2aa3
sha512: b4d8715d61a78f841f68d54fd948ad0c41baf630dacdc77d7316781d3abb722a8522200606b392fa5bc847f20e10c6ff64591c8afc414617e167312d822faaea
ssdeep: 3072:3f/YzdGbdoZvmledNPvl2mAg0FujnSzWEFTjjagbu2rC2Hn4MU2V/uw:vGGJyHAOzyWMBF4k/j
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, svezabpuekb
FileVersion: 6.3.6.8
ProductVersion: 6.3.6.8
Translation: 0x0809 0x04b0

Trojan.Win32.Chapak.albn also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 99)
ALYac Gen:Heur.Mint.Titirez.ly0@LOvTmxMG
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Chapak.00248f92
K7GW Trojan ( 655333331 )
Cybereason malicious.81f9be
Cyren W32/GandCrab.B.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.HDSD
Zoner Trojan.Win32.81147
APEX Malicious
Avast FileRepMalware
ClamAV Win.Malware.Titirez-6900356-0
Kaspersky Trojan.Win32.Chapak.albn
BitDefender Gen:Heur.Mint.Titirez.ly0@LOvTmxMG
NANO-Antivirus Trojan.Win32.Encoder.fcwfae
ViRobot Trojan.Win32.GandCrab.280585.A
MicroWorld-eScan Gen:Heur.Mint.Titirez.ly0@LOvTmxMG
Tencent Malware.Win32.Gencirc.10b9acfd
Ad-Aware Gen:Heur.Mint.Titirez.ly0@LOvTmxMG
Sophos ML/PE-A + Mal/GandCrab-B
Comodo TrojWare.Win32.Cloxer.AY@7o68fu
BitDefenderTheta Gen:NN.ZexaF.34692.ly0@aOvTmxMG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_HPGen-50
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.81c4f4781f9be781
Emsisoft Gen:Heur.Mint.Titirez.ly0@LOvTmxMG (B)
SentinelOne Static AI – Suspicious PE
Jiangmin TrojanDropper.Sysn.eha
Avira HEUR/AGEN.1103318
eGambit Unsafe.AI_Score_94%
Antiy-AVL Trojan/Generic.ASMalwS.27176CD
Microsoft Trojan:Win32/CryptInject.PVS!MTB
Arcabit Trojan.Mint.Titirez.EE5F24
AegisLab Trojan.Win32.Chapak.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Mint.Titirez.ly0@LOvTmxMG
AhnLab-V3 Trojan/Win.MalPe.X2055
Acronis suspicious
McAfee Trojan-FPQV!81C4F4781F9B
MAX malware (ai score=88)
VBA32 Malware-Cryptor.Limpopo
Malwarebytes Gandcrab.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Mal_HPGen-50
Rising Trojan.Fuerboos!8.EFC8 (CLOUD)
Yandex Trojan.GenAsa!UyadntvZSLE
Ikarus Trojan.Win32.CryptInject
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.DWPH!tr
AVG FileRepMalware

How to remove Trojan.Win32.Chapak.albn 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

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.albn 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.albn 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: http://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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