Trojan-Ransom.Win32.GandCrypt.cbb

What is Trojan-Ransom.Win32.GandCrypt.cbb infection?

In this article you will certainly find about the meaning of Trojan-Ransom.Win32.GandCrypt.cbb and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom money by a target.

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Most of the instances, Trojan-Ransom.Win32.GandCrypt.cbb infection will certainly instruct its victims to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually presented to the victim’s device.

Trojan-Ransom.Win32.GandCrypt.cbb Summary

These adjustments 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.
  • A process attempted to delay the analysis task.;
  • 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: Danish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s disk drive — so the sufferer can no more utilize the data;
  • Preventing regular accessibility to the victim’s workstation;

Trojan-Ransom.Win32.GandCrypt.cbb

The most typical channels through which Trojan-Ransom.Win32.GandCrypt.cbb Ransomware Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a harmful software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or prevent the tool from working in a proper fashion – while additionally putting a ransom note that points out the requirement for the victims to impact the repayment for the purpose of decrypting the papers or recovering the documents system back to the initial condition. In most circumstances, the ransom note will certainly turn up when the customer restarts the PC after the system has actually already been harmed.

Trojan-Ransom.Win32.GandCrypt.cbb distribution channels.

In various edges of the world, Trojan-Ransom.Win32.GandCrypt.cbb grows by jumps as well as bounds. However, the ransom notes and tricks of obtaining the ransom money quantity might differ relying on certain local (regional) setups. The ransom money notes and tricks of obtaining the ransom money quantity may vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the victim’s tool. The alert then demands the user to pay the ransom money.

    Faulty statements concerning illegal content.

    In countries where software piracy is less prominent, this approach is not as reliable for the cyber fraudulences. Alternatively, the Trojan-Ransom.Win32.GandCrypt.cbb popup alert might incorrectly assert to be deriving from a police institution and will certainly report having situated kid porn or various other prohibited data on the device.

    Trojan-Ransom.Win32.GandCrypt.cbb popup alert may falsely assert to be acquiring from a legislation enforcement organization and will certainly report having located child porn or other unlawful information on the tool. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 0D9E3A39
md5: c3b1f93558644bbd98d35452b0644592
name: C3B1F93558644BBD98D35452B0644592.mlw
sha1: 9146366543887c87e906b215e0f7ba4d9ac98d60
sha256: 51d9ba72f1d279add16350aba85ebde003ed724f3cc21b23162518e90f7df607
sha512: 3db34eb2a26d3bfc363086fb93a0fbc865c3334604db05408d69edd12bfd9e7145de2c5ec781143f3dfe388c5651307803966ea787c0a74355b410804d98a9e9
ssdeep: 6144:qCyzWwAOCvvWGz/d7jGueR6eubL8jJgl74vSQ3:MzWwAOHw/pquLe2L8jJSQ3
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, lojwetuc
Translation: 0x0809 0x04b0

Trojan-Ransom.Win32.GandCrypt.cbb also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Downloader.Upatre.Win32.66096
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/GandCrypt.9dbe3fce
K7GW Trojan ( 0053305e1 )
Cybereason malicious.558644
Cyren W32/Ransom.KC.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 Win32/Filecoder.GandCrab.B
Zoner Trojan.Win32.69524
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky Trojan-Ransom.Win32.GandCrypt.cbb
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Chapak.fejpbp
ViRobot Trojan.Win32.GandCrab.Gen.A
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10b6dee7
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos ML/PE-A + Mal/Agent-AUL
Comodo TrojWare.Win32.Chapak.GI@7q43kg
BitDefenderTheta Gen:NN.ZexaF.34628.su1@au1JOPlG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SMALY-3
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.c3b1f93558644bbd
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.fq
Avira TR/FileCoder.asn
eGambit Unsafe.AI_Score_88%
Microsoft Ransom:Win32/GandCrab.AI!bit
Arcabit Trojan.Ransom.GandCrab.Gen.2
AegisLab Trojan.Win32.GandCrypt.tqDS
GData Win32.Trojan-Ransom.GandCrab.U
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee Trojan-FPST!C3B1F9355864
MAX malware (ai score=100)
VBA32 BScope.Trojan.Vigorf
Malwarebytes Trojan.MalPack
TrendMicro-HouseCall Ransom_GANDCRAB.SMALY-3
Rising Trojan.Vigorf!8.EAEA (CLOUD)
Yandex Trojan.GenAsa!SHxvAg3lqUU
Ikarus Trojan-Ransom.GandCrab
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Agent.BFJ!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Ransom.24c

How to remove Trojan-Ransom.Win32.GandCrypt.cbb 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-Ransom.Win32.GandCrypt.cbb 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-Ransom.Win32.GandCrypt.cbb 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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