Trojan.RanumBot

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

What is Trojan.RanumBot infection?

In this short article you will find about the definition of Trojan.RanumBot and also its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by online scams to require paying the ransom by a target.

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Most of the cases, Trojan.RanumBot infection will advise its targets to start funds move for the objective of neutralizing the modifications that the Trojan infection has presented to the sufferer’s tool.

Trojan.RanumBot Summary

These adjustments 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • 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.
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • 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!
  • Steals private information from local Internet browsers;
  • Network activity contains more than one unique useragent.;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • 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 drive — so the target can no longer 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.
Similar behavior
Related domains
mangroveforests.comTrojan-Ransom.Win32.Crypmod.zfq
iplogger.orgTrojan-Ransom.Win32.Crypmod.zfq
www.bing.comTrojan-Ransom.Win32.Crypmod.zfq
ip-api.comTrojan-Ransom.Win32.Crypmod.zfq

Trojan.RanumBot

The most common networks through which Trojan.RanumBot Trojans are injected are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or protect against the device from operating in an appropriate way – while likewise putting a ransom note that states the demand for the sufferers to impact the settlement for the function of decrypting the documents or recovering the data system back to the preliminary problem. In most circumstances, the ransom money note will turn up when the client reboots the COMPUTER after the system has actually already been harmed.

Trojan.RanumBot distribution networks.

In different corners of the globe, Trojan.RanumBot grows by jumps and also bounds. However, the ransom notes and techniques of obtaining the ransom quantity may differ depending on certain regional (regional) setups. The ransom money notes and methods of obtaining the ransom money quantity might vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In particular areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the target’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty declarations about prohibited content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber scams. Additionally, the Trojan.RanumBot popup alert may falsely assert to be stemming from a law enforcement establishment as well as will certainly report having located child porn or other prohibited information on the device.

    Trojan.RanumBot popup alert may wrongly assert to be deriving from a law enforcement organization and will report having situated child porn or various other unlawful data on the gadget. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 849DD5D6
md5: 69ee38bc2be26c67a402191b9dffe6e5
name: wotsuper3.exe
sha1: ee390468877a9c0765f8b4e8b211ff5a13bb7feb
sha256: 1adc87f4ffcf89a65718ddf62b6e1ab17d843214462742aab442d4361d7977e4
sha512: 372ea557b6e745cc917ab0582b35559ffae836f54bca06d6b9dae4566c112bba85aa0da60a2adfc5962ae1175c2bcd64dc510171b71ccfd4ce7fb398ce0c90ea
ssdeep: 12288:pANwRo+mv8QD4+0V16yfaXDuuRRJYBkK2kIMnAr8EpY0x/qNPHyOi8:pAT8QE+kpqDXvYTTIMn2dgSOf
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: wotsuper
FileDescription: wotsuper 2.1 Installation
FileVersion: 2.1
Comments:
CompanyName: wotsuper
Translation: 0x0409 0x04e4

Trojan.RanumBot also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.33536072
FireEyeGeneric.mg.69ee38bc2be26c67
Qihoo-360Win32/Trojan.2c0
McAfeeArtemis!69EE38BC2BE2
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 005623fb1 )
BitDefenderTrojan.GenericKD.33536072
K7GWTrojan ( 005623fb1 )
Cybereasonmalicious.8877a9
Invinceaheuristic
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:TrojanX-gen [Trj]
GDataWin32.Trojan.Agent.XMVUXR
KasperskyTrojan.Win32.Chapak.ejtt
AegisLabTrojan.Multi.Generic.4!c
RisingTrojan.GenKryptik!8.AA55 (CLOUD)
EmsisoftTrojan-Dropper.Agent (A)
F-SecureTrojan.TR/Kryptik.fhdrh
DrWebTrojan.Siggen9.20334
TrendMicroTROJ_GEN.R011C0DCD20
McAfee-GW-EditionRDN/Generic.dx
Trapminemalicious.moderate.ml.score
SophosMal/Generic-S
IkarusTrojan.Win32.Crypt
CyrenW32/Trojan.DVFU-2835
WebrootW32.Trojan.Gen
AviraTR/Kryptik.fhdrh
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.RanumBot
Endgamemalicious (moderate confidence)
ArcabitTrojan.Generic.D1FFB848
ZoneAlarmTrojan.Win32.Chapak.ejtt
MicrosoftTrojan:Win32/RanumBot.GA!MTB
AhnLab-V3Malware/Win32.Generic.C3733562
BitDefenderThetaGen:NN.ZexaF.34100.HGW@aaFQeNB
VBA32Trojan.RanumBot
MalwarebytesTrojan.Downloader
PandaTrj/CI.A
ESET-NOD32a variant of Win32/Kryptik.HBWI
TrendMicro-HouseCallTROJ_GEN.R011C0DCD20
TencentMalware.Win32.Gencirc.10b8ad88
eGambitUnsafe.AI_Score_99%
FortinetW32/GenKryptik.EGBE!tr
AVGWin32:TrojanX-gen [Trj]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_60% (W)
MaxSecureTrojan-Ransom.Win32.Crypmod.zfq

How to remove Trojan.RanumBot 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.RanumBot 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.RanumBot 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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