Trojan:Win32/GandCrypt.DSB!MTB

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

What is Trojan:Win32/GandCrypt.DSB!MTB infection?

In this short article you will locate about the interpretation of Trojan:Win32/GandCrypt.DSB!MTB as well as its adverse effect on your computer. Such ransomware are a type of malware that is specified by on-line scams to require paying the ransom by a victim.

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In the majority of the instances, Trojan:Win32/GandCrypt.DSB!MTB virus will instruct its sufferers to initiate funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Trojan:Win32/GandCrypt.DSB!MTB Summary

These modifications 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.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Detects the presence of Wine emulator via function name;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Likely virus infection of existing system binary;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s disk drive — so the victim can no longer make use of the data;
  • Preventing regular 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.

Trojan:Win32/GandCrypt.DSB!MTB

One of the most normal networks through which Trojan:Win32/GandCrypt.DSB!MTB Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of user winding up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s computer or prevent the tool from operating in an appropriate manner – while likewise positioning a ransom money note that mentions the demand for the sufferers to impact the settlement for the function of decrypting the documents or restoring the documents system back to the initial problem. In most instances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has already been harmed.

Trojan:Win32/GandCrypt.DSB!MTB distribution networks.

In different edges of the globe, Trojan:Win32/GandCrypt.DSB!MTB grows by leaps and bounds. However, the ransom money notes as well as techniques of extorting the ransom money amount may vary relying on certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom money quantity might differ depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the sufferer’s device. The alert then requires the user to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software application piracy is much less preferred, this technique is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/GandCrypt.DSB!MTB popup alert might falsely declare to be originating from a police institution and also will report having situated child porn or other unlawful data on the tool.

    Trojan:Win32/GandCrypt.DSB!MTB popup alert may incorrectly claim to be deriving from a regulation enforcement institution and also will report having located child pornography or other prohibited data on the device. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 7CB9D7EB
md5: fcd7e58064a422c5694b7296d6e62217
name: FCD7E58064A422C5694B7296D6E62217.mlw
sha1: 88253227068f89c0b025af7b7b30bcae383c4f76
sha256: c307522e9da9ceeedafad9278318ff145fe2b64799cdfd79097bb19d1e6a0e32
sha512: 16a119c8358886577a9547e029476aeb0d428097f16de3a172019c55d86f05bb88e67ac029982ca2d469cbc8b886c0fecf742be659dda1f1eae13811c9035f90
ssdeep: 1536:vtJ7jTvLIBwvO2Hf+5wVV838w9IzML3xS:vzL9O2/+5gVQ9IzML3x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/GandCrypt.DSB!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Brsecmon.1
FireEyeGeneric.mg.fcd7e58064a422c5
CAT-QuickHealTrojan.Chapak
McAfeeGenericRXGJ-BK!FCD7E58064A4
CylanceUnsafe
ZillyaTrojan.GenericKD.Win32.159869
AegisLabTrojan.Multi.Generic.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00543e471 )
BitDefenderTrojan.Brsecmon.1
K7GWTrojan ( 00543e471 )
Cybereasonmalicious.064a42
CyrenW32/SuspPack.FW.gen!Eldorado
SymantecTrojan.Gen.2
APEXMalicious
AvastWin32:Virtu-F [Inf]
ClamAVWin.Packed.Coins-7650600-0
KasperskyTrojan.Win32.Chapak.avgm
AlibabaTrojan:Win32/Chapak.7dece6c3
NANO-AntivirusTrojan.Win32.Chapak.fhwnad
RisingTrojan.Fuerboos!8.EFC8 (CLOUD)
Ad-AwareTrojan.Brsecmon.1
EmsisoftTrojan.Brsecmon.1 (B)
ComodoTrojWare.Win32.Ransom.GandCrab.AC@7t8ikt
F-SecureTrojan.TR/Crypt.ZPACK.Gen
DrWebTrojan.PWS.Stealer.24300
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_GEN.R002C0DAV21
McAfee-GW-EditionBehavesLike.Win32.Generic.mm
SophosMal/Generic-R + Mal/GandCrab-G
IkarusTrojan.Win32.Crypt
JiangminTrojan.Chapak.pj
AviraTR/Crypt.ZPACK.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.Chapak
MicrosoftTrojan:Win32/GandCrypt.DSB!MTB
ZoneAlarmTrojan.Win32.Chapak.avgm
GDataTrojan.Brsecmon.1
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Gandcrab.R238148
Acronissuspicious
BitDefenderThetaAI:Packer.3DD072931F
ALYacTrojan.Brsecmon.1
VBA32BScope.Trojan.Vigorf
MalwarebytesTrojan.MalPack
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.GJZH
TrendMicro-HouseCallTROJ_GEN.R002C0DAV21
TencentWin32.Trojan.Chapak.Ehrr
YandexTrojan.GenAsa!SUlI6MToRqU
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.HCUD!tr
AVGWin32:Virtu-F [Inf]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Chapak.HgIASOkA

How to remove Trojan:Win32/GandCrypt.DSB!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 Trojan:Win32/GandCrypt.DSB!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/GandCrypt.DSB!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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