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

What is Trojan:Win32/GandCrab.DSK!MTB infection?

In this article you will locate regarding the meaning of Trojan:Win32/GandCrab.DSK!MTB and also its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom by a target.

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Most of the cases, Trojan:Win32/GandCrab.DSK!MTB ransomware will advise its targets to start funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s gadget.

Trojan:Win32/GandCrab.DSK!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.
  • 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!
  • Network activity contains more than one unique useragent.;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk drive — so the target can no more utilize the data;
  • Preventing normal access to the victim’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 Win32.Trojan-Ransom.GandCrab.N


The most normal channels through which Trojan:Win32/GandCrab.DSK!MTB are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of customer ending up on a source that holds a harmful software;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s computer or stop the device from working in a correct way – while likewise putting a ransom money note that states the need for the sufferers to effect the repayment for the objective of decrypting the papers or restoring the documents system back to the preliminary condition. In the majority of circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been damaged.

Trojan:Win32/GandCrab.DSK!MTB distribution channels.

In different edges of the globe, Trojan:Win32/GandCrab.DSK!MTB expands by leaps as well as bounds. However, the ransom money notes and techniques of obtaining the ransom money amount may vary depending on certain regional (regional) settings. The ransom notes and methods of extorting the ransom quantity might vary depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having found some unlicensed applications enabled on the sufferer’s tool. The alert then demands the user to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software application piracy is less popular, this technique is not as effective for the cyber frauds. Additionally, the Trojan:Win32/GandCrab.DSK!MTB popup alert may falsely declare to be deriving from a law enforcement organization and also will report having situated child porn or other prohibited data on the device.

    Trojan:Win32/GandCrab.DSK!MTB popup alert may falsely declare to be obtaining from a law enforcement establishment and also will report having situated child porn or other prohibited data on the gadget. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1409FCBC
md5: fd1b79ab044ce228e2316b51836307b5
name: FD1B79AB044CE228E2316B51836307B5.mlw
sha1: 1d455f5c5ecee72bf3a0905eaed382e428c6847c
sha256: 328bd8aa5f43b7a8207514cf4517e222fdb6385bff1ed0cb435bade7d89a1b2e
sha512: 54a47c6988b9e9ac19741202ea840a639261382989de063ea0c7c54c9b9913e8e96d6a7145d108f00059550ea0f5b7dbb06f1ff92fe5e00a35ab9a524ed29bc6
ssdeep: 6144:eGBni4xJXe2yaZMf7R3yYYhxlchMoxHIzuPuZxp34V8EPCH4:eGo4TAJOEhMYo+uZ3ZH4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: gjfkyfli;.exe
Translation: 0x0409 0x04e4

Trojan:Win32/GandCrab.DSK!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
ALYac Trojan.Brsecmon.1
Cylance Unsafe
AegisLab Trojan.Win32.Chapak.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0055aa6b1 )
BitDefender Trojan.Brsecmon.1
K7GW Trojan ( 0055aa6b1 )
Cybereason malicious.b044ce
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Packed.Generic-7367309-0
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/GandCrab.c791952e
NANO-Antivirus Trojan.Win32.Chapak.gfpkdx
Tencent Win32.Trojan.Chapak.Ednn
Ad-Aware Trojan.Brsecmon.1
Emsisoft Trojan.Crypt (A)
Comodo Malware@#3s3uu2w1kxguw
F-Secure Trojan.TR/AD.Chapak.btpp
DrWeb Trojan.PWS.Siggen2.37718
Zillya Trojan.Chapak.Win32.84765
TrendMicro Trojan.Win32.SMOKELOAD.SMD2.hp
McAfee-GW-Edition BehavesLike.Win32.Worm.fh
MaxSecure Trojan.Malware.73433573.susgen
Sophos Mal/Generic-R + Mal/GandCrab-G
Ikarus Trojan.Win32.Ranumbot
Jiangmin Trojan.Chapak.hqn
Avira TR/AD.Chapak.btpp
Antiy-AVL Trojan/Win32.Chapak
Microsoft Trojan:Win32/GandCrab.DSK!MTB
Arcabit Trojan.Brsecmon.1
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan-Ransom.GandCrab.N
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.MalPe.R296421
Acronis suspicious
McAfee GenericRXAA-AA!FD1B79AB044C
MAX malware (ai score=84)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.GXUF
TrendMicro-HouseCall Trojan.Win32.SMOKELOAD.SMD2.hp
Rising Trojan.Kryptik!1.BE23 (CLOUD)
Yandex Trojan.GenAsa!yTuZEHpplh4
SentinelOne Static AI – Suspicious PE
Fortinet W32/Encoder.858!tr
BitDefenderTheta Gen:NN.ZexaF.34590.xu0@amIuE!p
AVG Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_80% (D)
Qihoo-360 Win32/Trojan.Chapak.HwoCENsA

How to remove Trojan:Win32/GandCrab.DSK!MTB 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:Win32/GandCrab.DSK!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 Trojan:Win32/GandCrab.DSK!MTB you can always ask me in the comments for getting help.

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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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