MSIL/TrojanDropper.Agent.BGG

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

What is MSIL/TrojanDropper.Agent.BGG infection?

In this short article you will certainly locate about the definition of MSIL/TrojanDropper.Agent.BGG and its negative effect on your computer. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom money by a victim.

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Most of the cases, MSIL/TrojanDropper.Agent.BGG virus will certainly advise its sufferers to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.

MSIL/TrojanDropper.Agent.BGG 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.
  • 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.

  • 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 copy of itself;
  • Ciphering the files found on the victim’s hard drive — so the sufferer can no more use the data;
  • Preventing routine access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

MSIL/TrojanDropper.Agent.BGG

One of the most regular networks whereby MSIL/TrojanDropper.Agent.BGG are infused are:

  • By methods of phishing emails;
  • As a consequence of customer winding up on a source that hosts a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s computer or protect against the gadget from working in an appropriate fashion – while additionally placing a ransom money note that mentions the need for the targets to impact the repayment for the function of decrypting the files or bring back the file system back to the preliminary problem. In most instances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been damaged.

MSIL/TrojanDropper.Agent.BGG distribution channels.

In different edges of the globe, MSIL/TrojanDropper.Agent.BGG expands by jumps and also bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom amount might vary depending on certain neighborhood (local) settings. The ransom money notes and also techniques of extorting the ransom money amount might differ depending on specific neighborhood (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s tool. The alert then demands the user to pay the ransom money.

    Faulty declarations concerning unlawful web content.

    In countries where software program piracy is much less popular, this approach is not as effective for the cyber frauds. Additionally, the MSIL/TrojanDropper.Agent.BGG popup alert might wrongly declare to be deriving from a police institution as well as will report having located kid porn or various other illegal information on the gadget.

    MSIL/TrojanDropper.Agent.BGG popup alert might falsely declare to be acquiring from a regulation enforcement establishment and will certainly report having located youngster porn or other prohibited information on the device. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 31D16275
md5: 8e68faf17792d3b4a904499bc2d2c1e3
name: 8E68FAF17792D3B4A904499BC2D2C1E3.mlw
sha1: 589d1fddabe1568d1eedb8345189b7d8306c0dcf
sha256: d9cd1591dc46fc3e5596da88edc26a89b8c3e59d4ca2d58cc4d33b4c99844117
sha512: 6a4d66a911edcaa2697ae1a6e9110b917d2fb19e54993e883b47ced2affe62e78d2b317f514a5f2bf6537ca72b3eae52a77a7b038a7b1e754f15d507c156f22b
ssdeep: 1536:m9QpKc6VgGjiDWqPeSTUs+hHMJb5XzI3i:EQpKJmDWqPeSuNcXzI3i
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version: 1.8.4.5
InternalName: TRX C4 KAY.exe
FileVersion: 1.5.6.6
CompanyName: Windovvs
Comments: Windows Sound Manager
ProductName: Sound Manager
ProductVersion: 1.5.6.6
FileDescription: Windows Sound
OriginalFilename: TRX C4 KAY.exe

MSIL/TrojanDropper.Agent.BGG also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004ba3091 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ursu.226045
Cylance Unsafe
Zillya Trojan.Blocker.Win32.38513
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 004ba3091 )
Cybereason malicious.17792d
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.BGG
APEX Malicious
Avast MSIL:Injector-KT [Trj]
Kaspersky Trojan-Ransom.Win32.Blocker.kdvy
BitDefender Gen:Variant.Ursu.226045
NANO-Antivirus Trojan.Win32.Blocker.eqoxyb
MicroWorld-eScan Gen:Variant.Ursu.226045
Tencent Win32.Trojan.Blocker.Edee
Ad-Aware Gen:Variant.Ursu.226045
Sophos Mal/Generic-S
Comodo Malware@#2tmq5fpz4t90c
BitDefenderTheta Gen:NN.ZemsilF.34670.em1@a0CePbm
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis
FireEye Generic.mg.8e68faf17792d3b4
Emsisoft Gen:Variant.Ursu.226045 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.hhx
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_99%
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.Ursu.D372FD
GData Gen:Variant.Ursu.226045
McAfee Artemis!8E68FAF17792
MAX malware (ai score=100)
VBA32 TrojanRansom.Blocker
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.DR.Agent!7ij3dZdMq4k
Ikarus Trojan.MSIL.DeepSea
Fortinet MSIL/Agent.BGG!tr
AVG MSIL:Injector-KT [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Blocker.HwMAEpsA

How to remove MSIL/TrojanDropper.Agent.BGG 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

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 MSIL/TrojanDropper.Agent.BGG 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 MSIL/TrojanDropper.Agent.BGG 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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