Trojan:Win32/Ranumbot.RD!MTB

Written by Robert Bailey

What is Trojan:Win32/Ranumbot.RD!MTB infection?

In this article you will locate concerning the interpretation of Trojan:Win32/Ranumbot.RD!MTB and also its adverse effect on your computer system. Such ransomware are a form of malware that is specified by online frauds to demand paying the ransom by a victim.

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Most of the situations, Trojan:Win32/Ranumbot.RD!MTB ransomware will advise its sufferers to initiate funds move for the objective of counteracting the changes that the Trojan infection has introduced to the target’s tool.

Trojan:Win32/Ranumbot.RD!MTB Summary

These modifications can be as adheres to:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • Expresses interest in specific running processes;
  • Unconventionial language used in binary resources: Ukrainian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • 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 documents located on the victim’s hard disk — so the target can no longer utilize the data;
  • Preventing normal accessibility 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.

Related domains:

z.whorecord.xyz BehavesLike.Win32.RansomGandCrab.rc
a.tomx.xyz BehavesLike.Win32.RansomGandCrab.rc

Trojan:Win32/Ranumbot.RD!MTB

One of the most common networks where Trojan:Win32/Ranumbot.RD!MTB Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a resource that hosts a malicious software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or avoid the device from working in an appropriate fashion – while likewise putting a ransom note that points out the need for the targets to impact the repayment for the purpose of decrypting the files or restoring the data system back to the initial condition. In most instances, the ransom note will certainly come up when the customer reboots the PC after the system has already been damaged.

Trojan:Win32/Ranumbot.RD!MTB distribution networks.

In various corners of the world, Trojan:Win32/Ranumbot.RD!MTB grows by jumps and also bounds. However, the ransom notes as well as methods of obtaining the ransom money quantity might vary depending upon certain regional (local) settings. The ransom money notes and also techniques of extorting the ransom quantity may vary depending on specific neighborhood (regional) setups.

Ransomware injection

As an example:

    Faulty notifies concerning unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having identified some unlicensed applications allowed on the target’s gadget. The sharp then demands the individual to pay the ransom.

    Faulty declarations about prohibited web content.

    In countries where software piracy is less popular, this approach is not as effective for the cyber fraudulences. Alternatively, the Trojan:Win32/Ranumbot.RD!MTB popup alert may incorrectly declare to be deriving from a police institution and will certainly report having located youngster pornography or other unlawful data on the gadget.

    Trojan:Win32/Ranumbot.RD!MTB popup alert might falsely claim to be obtaining from a law enforcement organization and also will certainly report having situated kid porn or other unlawful information on the device. The alert will in a similar way have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: D803BDA0
md5: f46abc9ad76838b5836baaca6d0d8d42
name: F46ABC9AD76838B5836BAACA6D0D8D42.mlw
sha1: 93fc2cef4890870e2b204ba4a19ba03b6b0fb156
sha256: 4cabb71bb466985bbbbe8f4460e08ba724d55b208ce21808d667ab4861de4203
sha512: d9041599d014d2c337d35281de64989418275af8ab74b0971d709e5bbcc40a9e4b7b94e73c4e90f76de6fe00389e1753d8a4b2a355c88b111cf73ded6dc78fd2
ssdeep: 98304:1+uzfLZemfKP5OsjS61S0EpaERncCvT8ba8yxSuFZ/WuzldfAj7vDHFhtFZgNlm:6t/1SlU8vT8+LTML3qoHcue02XN3gWD
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: vebug.ekc
Prod: 1.3.5
FileVersions: 1.0.5.9
LegalCo: Copyri (C) 2019, pidmudakionca

Trojan:Win32/Ranumbot.RD!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45546890
FireEye Generic.mg.f46abc9ad76838b5
ALYac Trojan.GenericKD.45546890
Cylance Unsafe
Sangfor Malware
Alibaba Trojan:Win32/Chapak.93b59ef3
K7GW Trojan ( 00575d741 )
Cybereason malicious.f48908
BitDefenderTheta Gen:NN.ZexaF.34780.@pGfay2iXJdc
Cyren W32/Trojan.ZJOU-0729
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
Kaspersky Trojan.Win32.Chapak.eyla
BitDefender Trojan.GenericKD.45546890
Paloalto generic.ml
AegisLab Trojan.Win32.Chapak.4!c
Rising Trojan.Kryptik!1.D183 (CLASSIC)
Ad-Aware Trojan.GenericKD.45546890
Emsisoft Trojan.GenericKD.45546890 (B)
F-Secure Trojan.TR/AD.GoCloudnet.maywq
DrWeb Trojan.PWS.RedLineNET.4
TrendMicro TrojanSpy.Win32.ARTEMIS.USMANAJ21
McAfee-GW-Edition BehavesLike.Win32.RansomGandCrab.rc
Sophos Mal/Generic-S
Ikarus Trojan.MalPack
Webroot W32.Trojan.Gen
Avira TR/AD.GoCloudnet.maywq
Microsoft Trojan:Win32/Ranumbot.RD!MTB
Gridinsoft Trojan.Win32.Packed.oa
Arcabit Trojan.Generic.D2B6FD8A
ZoneAlarm Trojan.Win32.Chapak.eyla
GData Trojan.GenericKD.45546890
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Gen.Reputation.C4304597
Acronis suspicious
McAfee GenericRXAA-AA!F46ABC9AD768
VBA32 TrojanSpy.Stealer
Malwarebytes Trojan.MalPack.GS
ESET-NOD32 WinGo/RanumBot.J
TrendMicro-HouseCall TrojanSpy.Win32.ARTEMIS.USMANAJ21
Tencent Win32.Trojan.Chapak.Ecac
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.GWXD!tr
AVG Win32:TrojanX-gen [Trj]
Panda Trj/RnkBend.A
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Generic/Trojan.946

How to remove Trojan:Win32/Ranumbot.RD!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/Ranumbot.RD!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/Ranumbot.RD!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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