Trojan.Win32.Agentb.jboa

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

What is Trojan.Win32.Agentb.jboa infection?

In this article you will discover concerning the definition of Trojan.Win32.Agentb.jboa and also its negative effect on your computer. Such ransomware are a kind of malware that is elaborated by on the internet scams to demand paying the ransom by a sufferer.

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Most of the instances, Trojan.Win32.Agentb.jboa ransomware will advise its sufferers to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s gadget.

Trojan.Win32.Agentb.jboa Summary

These adjustments 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.;
  • 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.

  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Danish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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;
  • Creates a slightly modified copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk drive — so the victim can no longer utilize the data;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
ipv4bot.whatismyipaddress.com Trojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
carder.bit Trojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ru Trojan.Ransom.GandCrab.Gen.2
ransomware.bit Trojan.Ransom.GandCrab.Gen.2

Trojan.Win32.Agentb.jboa

The most typical channels through which Trojan.Win32.Agentb.jboa Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer winding up on a source that organizes a harmful software application;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the sufferer’s PC or stop the gadget from operating in a correct fashion – while likewise positioning a ransom money note that mentions the requirement for the sufferers to effect the repayment for the objective of decrypting the files or restoring the data system back to the first problem. In many circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has currently been damaged.

Trojan.Win32.Agentb.jboa distribution networks.

In numerous corners of the globe, Trojan.Win32.Agentb.jboa expands by leaps and bounds. Nevertheless, the ransom money notes and methods of extorting the ransom quantity may differ depending upon certain regional (regional) settings. The ransom notes and also tricks of obtaining the ransom quantity may differ depending on certain local (local) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding illegal content.

    In nations where software application piracy is much less preferred, this method is not as efficient for the cyber scams. Alternatively, the Trojan.Win32.Agentb.jboa popup alert may falsely declare to be originating from a law enforcement organization and will certainly report having situated kid porn or various other unlawful data on the tool.

    Trojan.Win32.Agentb.jboa popup alert may falsely declare to be acquiring from a legislation enforcement institution as well as will report having located youngster porn or various other illegal data on the tool. The alert will similarly consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 14C2DFD0
md5: 79cc45b4fa14e84bd3d9a8ed416b2a0e
name: 79CC45B4FA14E84BD3D9A8ED416B2A0E.mlw
sha1: 5800c99e24eeb22f440a9d9d1264a40942d39b4a
sha256: 517f3770508b5750b90b0e197c57ca969c648d85e731f7da882a8c3b5e4b69ed
sha512: 39aae98d7687382be95ea2e2c49155bad144d4b35486a84a79adf29cdf120a376a90f40dc87d861ba07c1e2db4c3c703c9e192c559b1e0d94cd93c829b502758
ssdeep: 6144:IwHFwSRuCB3bI6DcadgAWwQgghvKg4evcAb6cNV:RFwSRu4bIlEWWgogEAWcNV
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan.Win32.Agentb.jboa also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053a0b31 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.Ransom.GandCrab.Gen.2
Cylance Unsafe
Zillya Trojan.Agentb.Win32.19387
Sangfor Win.Packed.Gandcrab-6520432-4
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 0053a0b31 )
Cybereason malicious.4fa14e
Cyren W32/S-cd675fa9!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 Win32/Filecoder.GandCrab.B
Zoner Trojan.Win32.69019
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Gandcrab-6520432-4
Kaspersky Trojan.Win32.Agentb.jboa
BitDefender Trojan.Ransom.GandCrab.Gen.2
NANO-Antivirus Trojan.Win32.Ransom.feitiu
ViRobot Trojan.Win32.GandCrab.Gen.A
MicroWorld-eScan Trojan.Ransom.GandCrab.Gen.2
Tencent Malware.Win32.Gencirc.10b4e375
Ad-Aware Trojan.Ransom.GandCrab.Gen.2
Sophos ML/PE-A + Mal/Agent-AUL
Comodo TrojWare.Win32.Chapak.GI@7q43kg
BitDefenderTheta Gen:NN.ZexaF.34688.suX@aWsskRdG
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.79cc45b4fa14e84b
Emsisoft Trojan.Ransom.GandCrab.Gen.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Banker.NeutrinoPOS.ej
Avira TR/FileCoder.FA
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Predator.PVD!MTB
GData Win32.Trojan-Ransom.GandCrab.N
TACHYON Ransom/W32.GandCrab
AhnLab-V3 Win-Trojan/Gandcrab.Exp
Acronis suspicious
McAfee GenericRXGG-UT!79CC45B4FA14
MAX malware (ai score=81)
VBA32 BScope.Trojan.AntiAV
Malwarebytes Trojan.MalPack
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMLA.hp
Rising Ransom.GrandCrab!8.10F7E (RDMK:cmRtazrycMSR1K1SMarkrXKCB7zw)
Yandex Trojan.GenAsa!In1rvB0gxqI
Ikarus Trojan-Ransom.GandCrab
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.CNAR!tr
AVG Win32:Malware-gen

How to remove Trojan.Win32.Agentb.jboa 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.Agentb.jboa 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.Agentb.jboa 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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