MSIL/TrojanDropper.Agent.BDN

What is MSIL/TrojanDropper.Agent.BDN infection?

In this post you will certainly discover about the interpretation of MSIL/TrojanDropper.Agent.BDN and its negative effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to demand paying the ransom by a sufferer.

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In the majority of the cases, MSIL/TrojanDropper.Agent.BDN virus will certainly instruct its sufferers to start funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the victim’s tool.

MSIL/TrojanDropper.Agent.BDN 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.
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the files located on the victim’s disk drive — so the target can no more utilize the information;
  • 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.BDN

One of the most typical networks through which MSIL/TrojanDropper.Agent.BDN are injected are:

  • By ways of phishing e-mails;
  • As a consequence of individual ending up on a resource that holds a harmful software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or prevent the device from functioning in a proper way – while additionally placing a ransom note that discusses the demand for the victims to impact the payment for the purpose of decrypting the files or recovering the data system back to the first problem. In a lot of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has already been damaged.

MSIL/TrojanDropper.Agent.BDN circulation channels.

In numerous corners of the world, MSIL/TrojanDropper.Agent.BDN grows by jumps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom amount might differ relying on particular regional (local) setups. The ransom money notes and also methods of obtaining the ransom money quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the sufferer’s gadget. The alert then demands the user to pay the ransom money.

    Faulty declarations concerning illegal web content.

    In nations where software piracy is much less popular, this technique is not as reliable for the cyber frauds. Alternatively, the MSIL/TrojanDropper.Agent.BDN popup alert may falsely assert to be stemming from a police organization as well as will report having situated child porn or various other prohibited data on the device.

    MSIL/TrojanDropper.Agent.BDN popup alert might incorrectly claim to be obtaining from a legislation enforcement establishment and will report having located kid porn or other prohibited data 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: D4331156
md5: ba12c94a4494a34717568c02f338e32f
name: BA12C94A4494A34717568C02F338E32F.mlw
sha1: 5a5a787851048ce4743d8058490aa51f5568e284
sha256: 9738d2d4b2904daf25df8cb572f7ebdc290aee0a809793c9d53ae002dd33aeea
sha512: d2becf39401974522d957a3a68ea626b401f412c29e15d5306cc576fb8d2ea77f8dd0aaad608b98cb8a32507aa1730ba2f8b80dfb40d7844b8d7e584982ec77a
ssdeep: 3072:reHDsAarZjh7gQGJUm8IiWRRk54iVWA9PY1W6r8pA9UJjXc6AipMV1YCad4NICw:WjYCaQI+jYCiljYC
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version: 1.0.0.0
InternalName: Password Generator.exe
FileVersion: 1.0.0.0
CompanyName: Google Inc.
LegalTrademarks: Google Inc.
Comments: Google Inc.
ProductName: Password Generator
ProductVersion: 1.0.0.0
FileDescription: Password Generator
OriginalFilename: Password Generator.exe

MSIL/TrojanDropper.Agent.BDN also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e3de1 )
McAfee Generic.aes
Cylance Unsafe
Zillya Trojan.Blocker.Win32.35393
Sangfor Trojan.Win32.Save.a
K7GW Trojan ( 0055e3de1 )
Symantec Trojan.Gen
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.BDN
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 99)
Kaspersky Trojan-Ransom.Win32.Blocker.jjbn
NANO-Antivirus Trojan.Win32.Drop.eelxck
Tencent Win32.Trojan.Blocker.Pepe
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilCO.34686.wq0@aGxYMWo
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.aes
Webroot W32.Gen.BT
Avira HEUR/AGEN.1105779
Microsoft Backdoor:Win32/Bladabindi!ml
AegisLab Trojan.Win32.Blocker.j!c
AhnLab-V3 Trojan/Win32.Steamilik.C1637860
VBA32 Trojan.Scar
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!rHWgo3UPzjE
Ikarus Backdoor.Win32.DarkKomet
Fortinet W32/Blocker.BDN!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove MSIL/TrojanDropper.Agent.BDN 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.BDN 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.BDN 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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