Trojan-Ransom.Win32.GandCrypt.cbw

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

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

In this article you will certainly locate concerning the meaning of Trojan-Ransom.Win32.GandCrypt.cbw and also its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on-line scams to demand paying the ransom money by a sufferer.

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In the majority of the cases, Trojan-Ransom.Win32.GandCrypt.cbw infection will certainly advise its targets to launch funds transfer for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s device.

Trojan-Ransom.Win32.GandCrypt.cbw 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.

  • Performs some HTTP requests;
  • 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 papers located on the sufferer’s hard drive — so the sufferer can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
ipv4bot.whatismyipaddress.com Trojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
carder.bit Trojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
ransomware.bit Trojan.Ransom.GandCrab.Gen.2

Trojan-Ransom.Win32.GandCrypt.cbw

One of the most typical channels where Trojan-Ransom.Win32.GandCrypt.cbw Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a source that holds a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or avoid the device from working in a correct way – while additionally positioning a ransom note that mentions the need for the sufferers to effect the payment for the objective of decrypting the documents or bring back the data system back to the initial condition. In a lot of circumstances, the ransom note will show up when the client restarts the PC after the system has currently been harmed.

Trojan-Ransom.Win32.GandCrypt.cbw distribution networks.

In different edges of the world, Trojan-Ransom.Win32.GandCrypt.cbw expands by leaps and also bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom money amount may differ relying on certain regional (regional) setups. The ransom notes and techniques of extorting the ransom money amount might differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having found some unlicensed applications enabled on the victim’s gadget. The sharp after that demands the customer to pay the ransom money.

    Faulty statements concerning unlawful content.

    In nations where software application piracy is much less popular, this technique is not as reliable for the cyber frauds. Conversely, the Trojan-Ransom.Win32.GandCrypt.cbw popup alert might falsely declare to be deriving from a police institution and will certainly report having situated child porn or other unlawful data on the tool.

    Trojan-Ransom.Win32.GandCrypt.cbw popup alert may falsely declare to be obtaining from a regulation enforcement establishment and also will certainly report having located child porn or other illegal data on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: FF841823
md5: 649c68955409823fdd1e7a57ab6e78da
name: 649C68955409823FDD1E7A57AB6E78DA.mlw
sha1: a15dad1d4c9be3e018656aa92805c054f600a5b3
sha256: 4fad8f5992bf6fa33f298de6d03c2f22f8bca9e3b90bfcc314d5c25a80d87d0f
sha512: 1df82c39915ab85bb729820854b20fb52a797b886528f8a131ecb1507c9d1e63ec16663448c5445a1b0fab74ad26ddf94445738e317f0576a3b23ff44f6514a7
ssdeep: 6144:fDP9qGYWZBUeH11OhbQ1k12jgNn0Ft93Ex80:xqGYWZPH11OVQ98NnM3e80
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 2.13.5.66
Translation: 0x0844 0x16d3

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
FireEye Generic.mg.649c68955409823f
CAT-QuickHeal Trojan.Chapak.ZZ5
McAfee Trojan-FPST!649C68955409
Cylance Unsafe
Zillya Trojan.GandCrypt.Win32.469
AegisLab Trojan.Win32.GandCrypt.4!c
Sangfor Win.Packed.Gandcrab-6552923-4
K7AntiVirus Trojan ( 0053a0b51 )
BitDefender Trojan.Ransom.GandCrab.Gen.2
K7GW Trojan ( 0053a0b51 )
Cybereason malicious.554098
Cyren W32/S-993b59b5!Eldorado
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky Trojan-Ransom.Win32.GandCrypt.cbw
NANO-Antivirus Trojan.Win32.Encoder.fejium
ViRobot Trojan.Win32.GandCrab.Gen.A
Tencent Trojan.Win32.Gandcrab.p
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
TACHYON Ransom/W32.GandCrab
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
Comodo TrojWare.Win32.Ransom.GandCrab.GR@826oxk
F-Secure Trojan.TR/FileCoder.FJ
DrWeb Trojan.Encoder.24384
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
Sophos Mal/Generic-R + Mal/Agent-AUL
Ikarus Trojan-Ransom.GandCrab
Jiangmin Trojan.PSW.Coins.sc
MaxSecure Ransomeware.CRAB.gen
Avira TR/FileCoder.FJ
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Ransom:Win32/Gandcrab
Arcabit Trojan.Ransom.GandCrab.Gen.2
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm Trojan-Ransom.Win32.GandCrypt.cbw
GData Trojan.Ransom.GandCrab.Gen.2
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.pu1@aOMJ79aG
ALYac Trojan.Ransom.GandCrab.Gen.2
MAX malware (ai score=99)
VBA32 BScope.TrojanRansom.GandCrypt
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
Zoner Trojan.Win32.69730
ESET-NOD32 Win32/Filecoder.GandCrab.B
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Trojan.GenAsa!uf/n49yVuj4
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_97%
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Ransom.ec9

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