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

In this post you will find concerning the interpretation of Ransom:Win32/Gandcrab.SF!MTB and also its adverse impact on your computer system. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom money by a victim.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

Most of the situations, Ransom:Win32/Gandcrab.SF!MTB infection will instruct its sufferers to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Ransom:Win32/Gandcrab.SF!MTB Summary

These alterations 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Created a service that was not started;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the victim’s hard disk drive — so the sufferer can no more use the data;
  • Preventing normal access 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.


The most normal channels whereby Ransom:Win32/Gandcrab.SF!MTB Ransomware are injected are:

  • By methods of phishing emails;
  • As a consequence of individual ending up on a source that organizes a harmful software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or protect against the tool from working in an appropriate way – while likewise positioning a ransom money note that states the demand for the sufferers to impact the repayment for the objective of decrypting the documents or recovering the documents system back to the preliminary problem. In most circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has actually already been damaged.

Ransom:Win32/Gandcrab.SF!MTB distribution networks.

In different corners of the globe, Ransom:Win32/Gandcrab.SF!MTB grows by leaps and also bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom quantity may vary relying on certain regional (regional) settings. The ransom money notes and tricks of obtaining the ransom money quantity may differ depending on certain local (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the sufferer’s tool. The alert after that demands the individual to pay the ransom money.

    Faulty statements concerning unlawful content.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber frauds. Alternatively, the Ransom:Win32/Gandcrab.SF!MTB popup alert may falsely declare to be stemming from a police organization and also will certainly report having situated youngster pornography or various other prohibited information on the device.

    Ransom:Win32/Gandcrab.SF!MTB popup alert might incorrectly assert to be deriving from a regulation enforcement organization and will report having located youngster pornography or other prohibited data on the device. The alert will similarly consist of a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 41336B66
md5: 34da26d9845ac674eaaff6942e1a9223
name: 159w.exe
sha1: 54663723cbf3d5de281abb2fc0e96c75b3268ef8
sha256: 6ca9beca2464eb7e9bf38570f0443e93e09f2af61777dc7978eacd67bbd56da3
sha512: 844b9fab4d4cbb2d087a8805a3a75942f2bee60f26cbb23e7d38040cd9fc92314bcf81eb58429eb64b114e798f62692c5f6dacb0d652fc14b387af1e972150a2
ssdeep: 24576:B7YHHHxtvKWir9B/3FgtRbNlOk4gtT63EuN:BsnHxxKD/gLlOzgtT+D
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
DrWeb BackDoor.IRC.Bot.4276
MicroWorld-eScan Trojan.GenericKD.30378663
FireEye Generic.mg.34da26d9845ac674
Qihoo-360 Win32/Trojan.e6d
McAfee GenericRXEG-NN!34DA26D9845A
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 00532e3d1 )
BitDefender Trojan.GenericKD.30378663
K7GW Trojan ( 655333331 )
Cybereason malicious.9845ac
TrendMicro Ransom_GANDCRAB.SMD3
BitDefenderTheta Gen:NN.ZexaF.34122.!uW@a45eihai
Cyren W32/S-cab1c03c!Eldorado
Symantec Trojan.SseBot
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.30378663
Kaspersky Trojan.Win32.Chapak.aifq
Alibaba Trojan:Win32/Chapak.abd454e7
NANO-Antivirus Trojan.Win32.Bot.eysahu
Rising Trojan.Kryptik!1.B0C0 (CLOUD)
Ad-Aware Trojan.GenericKD.30378663
Sophos Mal/GandCrab-C
Comodo Backdoor.Win32.Quicdy.A@7k4jqu
F-Secure Heuristic.HEUR/AGEN.1117310
Zillya Trojan.Chapak.Win32.41216
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
Trapmine malicious.high.ml.score
Emsisoft Trojan.GenericKD.30378663 (B)
Ikarus Trojan-Ransom.GandCrab
F-Prot W32/S-cab1c03c!Eldorado
Jiangmin Trojan.Generic.bzyii
Webroot W32.Adware.Gen
Avira HEUR/AGEN.1117310
Antiy-AVL Trojan/Win32.AGeneric
Endgame malicious (high confidence)
Arcabit Trojan.Generic.D1CF8AA7
SUPERAntiSpyware Trojan.Agent/Gen-Dynamer
ZoneAlarm Trojan.Win32.Chapak.aifq
Microsoft Ransom:Win32/Gandcrab.SF!MTB
AhnLab-V3 Trojan/Win32.Magniber.C2423573
Acronis suspicious
VBA32 TrojanDownloader.ZippyLoader
ALYac Trojan.GenericKD.30378663
MAX malware (ai score=99)
Malwarebytes Trojan.MalPack.GS
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.GEBP
TrendMicro-HouseCall Ransom_GANDCRAB.SMD3
Tencent Win32.Trojan.Generic.Llhq
Yandex Trojan.Agent!1igQB96pALY
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.HCLG!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_80% (W)
MaxSecure Ransomeware.CRAB.gen

How to remove Ransom:Win32/Gandcrab.SF!MTB virus?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.SF!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.SF!MTB you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  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.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.