Trojan:Win32/Gozi.RA!MTB

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

What is Trojan:Win32/Gozi.RA!MTB infection?

In this post you will locate about the meaning of Trojan:Win32/Gozi.RA!MTB as well as its negative impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line scams to demand paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Gozi.RA!MTB infection will certainly instruct its targets to start funds transfer for the function of neutralizing the changes that the Trojan infection has presented to the sufferer’s gadget.

Trojan:Win32/Gozi.RA!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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Presents an Authenticode digital signature;
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Mimics the system’s user agent string for its own requests;
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Performs some HTTP requests;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • 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 files located on the sufferer’s disk drive — so the target can no longer utilize 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.
Similar behavior
Related domains
www.ip-adress.comBScope.TrojanRansom.Shade

Trojan:Win32/Gozi.RA!MTB

One of the most regular channels whereby Trojan:Win32/Gozi.RA!MTB Trojans 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 a consequence of individual winding up on a resource that organizes a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or prevent the device from functioning in a correct fashion – while also placing a ransom note that mentions the requirement for the sufferers to effect the repayment for the purpose of decrypting the documents or recovering the documents system back to the initial condition. In a lot of instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually already been harmed.

Trojan:Win32/Gozi.RA!MTB distribution networks.

In various corners of the world, Trojan:Win32/Gozi.RA!MTB grows by jumps and bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money amount may vary relying on specific local (regional) settings. The ransom money notes and techniques of obtaining the ransom quantity might differ depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In certain areas, the Trojans typically 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 unlawful web content.

    In nations where software application piracy is less preferred, this approach is not as reliable for the cyber frauds. Conversely, the Trojan:Win32/Gozi.RA!MTB popup alert may wrongly declare to be stemming from a law enforcement establishment and will certainly report having located kid porn or other prohibited information on the device.

    Trojan:Win32/Gozi.RA!MTB popup alert might falsely declare to be deriving from a law enforcement establishment and also will certainly report having situated child pornography or various other unlawful information on the gadget. The alert will in a similar way include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 90570AA9
md5: 1e88579478c01405cdfc2332a5f5d74d
name: tmpaimcwaj7
sha1: 48a0dabdb9f2b14c58b0eb29d4976f5e808bb59d
sha256: 937b631d84a3959654c71d4dfc17f91327b22f8ade94499cd7bf53095618dc03
sha512: 3396cf21c6c5189587e187c64d6945fb35ded974c4d575ba9ac25ce414d1b734b1497b54e4dd38543c9f8511555831be2cbe1a01349832321fd71c9fd5c455f5
ssdeep: 12288:9tlQ42wwLHqpVxTX77Ix16MyEm61MZk5Ykfgn6ggKj/cmq:9v2wwT6fI/hyf6eZTkfg93jg
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (c) 2003-2016 Glarysoft Ltd
InternalName: Report.exe
FileVersion: 5, 0, 0, 6
CompanyName: Glarysoft Ltd
ProductName: Glary Utilities
ProductVersion: 5, 0, 0, 1
FileDescription: Glarysoft Crash Report
OriginalFilename: CrashReport.exe
Translation: 0x0804 0x03a8

Trojan:Win32/Gozi.RA!MTB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malwareB
MicroWorld-eScanTrojan.GenericKDZ.67972
FireEyeGeneric.mg.1e88579478c01405
McAfeeW32/PinkSbot-GW!1E88579478C0
CylanceUnsafe
VIPRETrojan.Win32.Generic.pak!cobra
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.GenericKDZ.67972
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.db9f2b
ArcabitTrojan.Generic.D10984
TrendMicroBackdoor.Win32.QAKBOT.SME
SymantecML.Attribute.HighConfidence
APEXMalicious
Ad-AwareTrojan.GenericKDZ.67972
EmsisoftTrojan.GenericKDZ.67972 (B)
F-SecureHeuristic.HEUR/AGEN.1118848
DrWebTrojan.Inject3.43768
Invinceaheuristic
Trapminemalicious.high.ml.score
SophosTroj/Qbot-FS
SentinelOneDFI – Malicious PE
AviraHEUR/AGEN.1118848
MAXmalware (ai score=88)
Antiy-AVLGrayWare/Win32.Kryptik.ehls
MicrosoftTrojan:Win32/Gozi.RA!MTB
Endgamemalicious (high confidence)
GDataTrojan.GenericKDZ.67972
CynetMalicious (score: 85)
AhnLab-V3Trojan/Win32.Kryptik.R340774
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34128.OI1@ae5HONpj
ALYacTrojan.GenericKDZ.67972
VBA32BScope.TrojanRansom.Shade
MalwarebytesBackdoor.Qbot
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/GenKryptik.EMPU
RisingTrojan.Kryptik!1.C745 (CLOUD)
eGambitPE.Heur.InvalidSig
FortinetW32/Cridex.VHO!tr
AVGWin32:DangerousSig [Trj]
AvastWin32:DangerousSig [Trj]
CrowdStrikewin/malicious_confidence_80% (D)
Qihoo-360HEUR/QVM19.1.FCB8.Malware.Gen

How to remove Trojan:Win32/Gozi.RA!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

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 Trojan:Win32/Gozi.RA!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 Trojan:Win32/Gozi.RA!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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