Ransom:Win32/Gandcrab.G!MTB

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

What is Ransom:Win32/Gandcrab.G!MTB infection?

In this article you will find about the meaning of Ransom:Win32/Gandcrab.G!MTB and also its adverse effect on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom by a sufferer.

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Most of the cases, Ransom:Win32/Gandcrab.G!MTB virus will advise its victims to launch funds transfer for the objective of reducing the effects of the changes that the Trojan infection has presented to the victim’s tool.

Ransom:Win32/Gandcrab.G!MTB Summary

These modifications 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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!
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the sufferer’s hard drive — so the sufferer can no more use the information;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz TrojWare.Win32.Ransom.Gandcrab.S@7wwdn1
a.tomx.xyz TrojWare.Win32.Ransom.Gandcrab.S@7wwdn1

Ransom:Win32/Gandcrab.G!MTB

One of the most typical networks where Ransom:Win32/Gandcrab.G!MTB Ransomware Trojans are infused are:

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

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or avoid the tool from functioning in a correct manner – while likewise positioning a ransom note that states the need for the targets to impact the payment for the objective of decrypting the papers or recovering the data system back to the initial problem. In most circumstances, the ransom money note will certainly turn up when the customer restarts the PC after the system has actually currently been damaged.

Ransom:Win32/Gandcrab.G!MTB circulation channels.

In numerous edges of the globe, Ransom:Win32/Gandcrab.G!MTB grows by leaps as well as bounds. However, the ransom money notes as well as techniques of extorting the ransom amount might vary depending upon particular neighborhood (local) setups. The ransom notes and also tricks of obtaining the ransom amount may vary depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In specific areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the target’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations about prohibited web content.

    In nations where software application piracy is less popular, this approach is not as efficient for the cyber fraudulences. Additionally, the Ransom:Win32/Gandcrab.G!MTB popup alert might wrongly declare to be deriving from a police institution as well as will certainly report having located youngster porn or other unlawful information on the gadget.

    Ransom:Win32/Gandcrab.G!MTB popup alert may wrongly declare to be obtaining from a regulation enforcement organization and also will certainly report having located kid pornography or various other unlawful information on the device. The alert will likewise consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 24B72271
md5: ba76e444996683dd94c71515ef5c452d
name: BA76E444996683DD94C71515EF5C452D.mlw
sha1: b43218ab0964213689d570de72532bf9b832c559
sha256: 4da4acb942b01869416de3999c0852734b405395e61be45d9faa805aefbaf49f
sha512: ea188cab2e816d971ecc863b458eaaffb4b761503f28899b7b29ae80e9d0f16662fee6e07ee202a6e2193fbff84d70c947d83dc49e04242b252c5a3c300fcde5
ssdeep: 3072:TqLrj2poYRNwx4hOpj+nYq3FonJYpf7PKOcAecc96pzm5uB:TqLfAoswx2OpjsFooDCOcAedUNB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: asdgsdfgsdfg.exe
FileVersion: 1.0.0.1
ProductVersion: 1.0.0.1
Translation: 0x0809 0x04b0

Ransom:Win32/Gandcrab.G!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
McAfee Trojan-FQDF!BA76E4449966
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00516fdf1 )
K7GW Trojan ( 00516fdf1 )
CrowdStrike win/malicious_confidence_100% (D)
Cyren W32/Kryptik.NL.gen!Eldorado
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Spy.Win32.Stealer.agh
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Stealer.fjavta
Rising Downloader.Vigorf!8.F626 (TFE:5:VaTfDTuwTnM)
Ad-Aware Trojan.Brsecmon.1
Emsisoft Trojan.Brsecmon.1 (B)
Comodo TrojWare.Win32.Ransom.Gandcrab.S@7wwdn1
DrWeb Trojan.PWS.Stealer.24814
Zillya Trojan.Stealer.Win32.1266
TrendMicro Trojan.Win32.SODINOK.SM.hp
Sophos ML/PE-A + Mal/GandCrab-G
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Propagate.dp
Antiy-AVL Trojan[Spy]/Win32.Stealer
Microsoft Ransom:Win32/Gandcrab.G!MTB
Arcabit Trojan.Brsecmon.1
ZoneAlarm Trojan-Spy.Win32.Stealer.agh
GData Trojan.Brsecmon.1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R238646
Acronis suspicious
VBA32 BScope.Trojan.Propagate
ALYac Trojan.Brsecmon.1
ESET-NOD32 a variant of Win32/Kryptik.GLKY
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Yandex Trojan.GenAsa!PPDpfIV9ocA
Ikarus Trojan.Win32.Crypt
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.GLKY!tr
BitDefenderTheta Gen:NN.ZexaF.34590.ou0@aG46qIgi
AVG Win32:Malware-gen
Cybereason malicious.499668

How to remove Ransom:Win32/Gandcrab.G!MTB 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 Ransom:Win32/Gandcrab.G!MTB 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 Ransom:Win32/Gandcrab.G!MTB 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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