Ransom:Win32/Gandcrab.SE!MTB

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

In this post you will discover concerning the interpretation of Ransom:Win32/Gandcrab.SE!MTB as well as its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to demand paying the ransom money by a target.

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In the majority of the instances, Ransom:Win32/Gandcrab.SE!MTB infection will instruct its sufferers to start funds move for the purpose of neutralizing the changes that the Trojan infection has introduced to the target’s tool.

Ransom:Win32/Gandcrab.SE!MTB 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.
  • 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 documents found on the victim’s disk drive — so the sufferer can no longer use the information;
  • Preventing normal access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:Win32/Gandcrab.SE!MTB

One of the most normal networks whereby Ransom:Win32/Gandcrab.SE!MTB are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of user winding up on a source that hosts a malicious software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s PC or avoid the device from working in a correct way – while likewise positioning a ransom note that mentions the need for the targets to effect the repayment for the objective of decrypting the papers or bring back the documents system back to the preliminary condition. In a lot of circumstances, the ransom note will show up when the client reboots the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/Gandcrab.SE!MTB distribution channels.

In various corners of the world, Ransom:Win32/Gandcrab.SE!MTB expands by leaps and also bounds. However, the ransom notes as well as methods of obtaining the ransom quantity might vary depending on particular local (regional) setups. The ransom money notes and methods of extorting the ransom money quantity may vary depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about illegal web content.

    In countries where software program piracy is less prominent, this technique is not as reliable for the cyber scams. Alternatively, the Ransom:Win32/Gandcrab.SE!MTB popup alert may incorrectly declare to be originating from a police institution as well as will certainly report having located youngster pornography or various other prohibited information on the tool.

    Ransom:Win32/Gandcrab.SE!MTB popup alert might incorrectly assert to be obtaining from a legislation enforcement establishment as well as will report having located youngster porn or various other illegal data on the device. The alert will similarly consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: AAB7D646
md5: c6e7149b9b395cb024b003e72acfd265
name: C6E7149B9B395CB024B003E72ACFD265.mlw
sha1: a7d55c089bcd384767f7e56060ee9b482492ab67
sha256: 7cd61c988a7a04274ea541f21e0db11ae47b7ad7fee5c6bc3189f50e15d3b8f6
sha512: 2ff77132c075d1af97aac630f74b7e7ede58b611b6fe01de7217bdc2154e905b820736be88f3a227137ae09203fef47315bbcb5025de4429494898d6e8fa0ce9
ssdeep: 3072:Oz7WxuK1OnavffIyAn5YBNUwoBu55/3mpDb3KAOS3VCZDpe1V8hG6PujTpcSH:OzEuKWCYvniBoBu5UpZlCZDI1VpjtcSH
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 2.13.5.66
Translation: 0x0844 0x16d3

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005357ca1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.GenericKDZ.44904
Cylance Unsafe
Zillya Trojan.GandCrypt.Win32.429
Sangfor Win.Packed.Gandcrab-6552923-4
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Gandcrab.7e1f1db3
K7GW Trojan ( 005357ca1 )
Cybereason malicious.b9b395
Cyren W32/Ransom.KH.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.GIBG
Zoner Trojan.Win32.69053
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Packed.Gandcrab-6552923-4
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKDZ.44904
NANO-Antivirus Trojan.Win32.GandCrypt.fejpcy
ViRobot Trojan.Win32.GandCrab.Gen.A
SUPERAntiSpyware Ransom.GandCrab/Variant
MicroWorld-eScan Trojan.GenericKDZ.44904
Tencent Malware.Win32.Gencirc.10b3afc0
Ad-Aware Trojan.GenericKDZ.44904
Sophos ML/PE-A + Mal/Agent-AUL
Comodo TrojWare.Win32.Ransom.GandCrab.GR@826oxk
BitDefenderTheta Gen:NN.ZexaF.34608.nu1@ayYopcoG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Emotet.dc
FireEye Generic.mg.c6e7149b9b395cb0
Emsisoft Trojan.GenericKDZ.44904 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1137189
Microsoft Ransom:Win32/Gandcrab.SE!MTB
AegisLab Trojan.Win32.GandCrypt.j!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.GenericKDZ.44904
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee Trojan-FPST!C6E7149B9B39
MAX malware (ai score=99)
VBA32 BScope.TrojanRansom.GandCrypt
Malwarebytes Ransom.GandCrab
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.GandCrab!8.F355 (CLOUD)
Yandex Trojan.PWS.Coins!fjfDIJbdIcE
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HwoCDh8A

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

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/Gandcrab.SE!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/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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