Written by Robert Bailey

What is Trojan.Win32.Chapak.aosf infection?

In this post you will discover about the interpretation of Trojan.Win32.Chapak.aosf and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom by a sufferer.

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Most of the cases, Trojan.Win32.Chapak.aosf ransomware will instruct its sufferers to launch funds move for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s device.

Trojan.Win32.Chapak.aosf Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Attempts to connect to a dead IP:Port (9 unique times);
  • A process created a hidden window;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Faeroese;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Collects information to fingerprint the system;
  • Ciphering the documents located on the target’s hard disk drive — so the target can no longer make use of the information;
  • Preventing routine access to the target’s workstation;

Related domains: TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3 TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3


One of the most typical channels through which Trojan.Win32.Chapak.aosf Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that holds a malicious software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s computer or avoid the tool from functioning in an appropriate way – while additionally positioning a ransom money note that points out the requirement for the targets to effect the settlement for the purpose of decrypting the files or restoring the documents system back to the preliminary problem. In a lot of instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan.Win32.Chapak.aosf distribution channels.

In various corners of the world, Trojan.Win32.Chapak.aosf grows by jumps and also bounds. However, the ransom notes and methods of extorting the ransom money quantity might differ relying on certain local (local) setups. The ransom notes and also techniques of obtaining the ransom quantity might vary depending on certain neighborhood (regional) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In nations where software program piracy is less popular, this technique is not as effective for the cyber fraudulences. Alternatively, the Trojan.Win32.Chapak.aosf popup alert might falsely claim to be deriving from a police institution and will certainly report having located child porn or various other unlawful information on the device.

    Trojan.Win32.Chapak.aosf popup alert may wrongly declare to be obtaining from a law enforcement organization and also will certainly report having situated kid porn or various other illegal information on the tool. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 3DCF6C3E
md5: a0c82edd0b8401ba8a6607c302a92db3
name: A0C82EDD0B8401BA8A6607C302A92DB3.mlw
sha1: a99f6f4a2f0679272325e001d0a299501508dd03
sha256: 31ee669bce37cca7aeeae5ae192838c177630df528b2aa2063f4d8392305f0e6
sha512: 1de49b7b6b7c03d179369ed034177b16f94660c3e966638a9dd0cdcdd01b12f2e79c6533b19ac30692d8bd88b1e95c38ad6ad09c64217e1fa7d74b99310f3733
ssdeep: 6144:y0M8OsgzYt2pKKHXAOj78zo0YIYVu+shwZM8GFQGIvvGJE75z:y03Bn+HXJ0YIqEhwZbGFvIxlz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:


Trojan.Win32.Chapak.aosf also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053d5971 )
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 0053d5971 )
Cybereason malicious.a2f067
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GJUD
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan.Win32.Chapak.aosf
NANO-Antivirus Trojan.Win32.Chapak.fhofgc
Tencent Win32.Trojan.Chapak.Lmaq
Comodo TrojWare.Win32.Ransom.Gandcrab.GJ@7tcda3
F-Secure Heuristic.HEUR/AGEN.1103366
BitDefenderTheta Gen:NN.ZexaF.34142.wy0@aWNy@OcG
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1103366
Antiy-AVL Trojan/Generic.ASMalwS.27B61C7
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Win-Trojan/Gandcrab07.Exp
Acronis suspicious
McAfee Packed-FKN!A0C82EDD0B84
MAX malware (ai score=100)
VBA32 TrojanPSW.Coins
Panda Trj/GdSda.A
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Yandex Trojan.GenAsa!UPNmkLxTbVE
Ikarus Trojan-Ransom.GandCrab
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GJUV!tr.ransom
AVG FileRepMalware

How to remove Trojan.Win32.Chapak.aosf virus?

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.aosf 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.aosf you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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