MSIL/TrojanDropper.Agent.DNB

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

What is MSIL/TrojanDropper.Agent.DNB infection?

In this post you will certainly discover about the interpretation of MSIL/TrojanDropper.Agent.DNB and also its adverse influence on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom by a target.

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Most of the situations, MSIL/TrojanDropper.Agent.DNB virus will instruct its targets to start funds move for the objective of counteracting the amendments that the Trojan infection has actually presented to the target’s gadget.

MSIL/TrojanDropper.Agent.DNB Summary

These modifications 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Sniffs keystrokes;
  • Executed a process and injected code into it, probably while unpacking;
  • Exhibits behavior characteristic of iSpy Keylogger;
  • Interacts with known DarkComet registry keys;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Creates known Fynloski/DarkComet mutexes;
  • Ciphering the papers situated on the sufferer’s hard disk — so the target can no longer use the data;
  • Preventing normal accessibility to the sufferer’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
frankmahama0018.hopto.orgTrojan-Ransom.Win32.Blocker.dvjn

MSIL/TrojanDropper.Agent.DNB

The most regular networks where MSIL/TrojanDropper.Agent.DNB are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user winding up on a resource that holds a destructive software application;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s PC or stop the device from working in a proper fashion – while also positioning a ransom money note that points out the demand for the victims to effect the repayment for the objective of decrypting the documents or bring back the file system back to the initial problem. In many instances, the ransom money note will certainly show up when the client reboots the PC after the system has currently been harmed.

MSIL/TrojanDropper.Agent.DNB distribution networks.

In various edges of the globe, MSIL/TrojanDropper.Agent.DNB expands by jumps and also bounds. However, the ransom money notes and also techniques of extorting the ransom money amount may differ depending on specific neighborhood (regional) settings. The ransom money notes as well as tricks of extorting the ransom money quantity may differ depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s device. The alert then requires the individual to pay the ransom.

    Faulty statements regarding prohibited web content.

    In nations where software application piracy is less popular, this technique is not as efficient for the cyber frauds. Alternatively, the MSIL/TrojanDropper.Agent.DNB popup alert may wrongly assert to be deriving from a law enforcement organization and will certainly report having located kid porn or other unlawful data on the device.

    MSIL/TrojanDropper.Agent.DNB popup alert might incorrectly claim to be deriving from a legislation enforcement establishment as well as will certainly report having situated child porn or various other prohibited information on the tool. The alert will similarly include a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: FC4E0977
md5: b640117339e43ffdbd2293206fc5c636
name: B640117339E43FFDBD2293206FC5C636.mlw
sha1: 8c54616c34504dbadd631547f10303752140a941
sha256: 1e8e426f21926763db598c40752fae1c194ef8503a114d6c66f1af9b0775c743
sha512: 065b10450e318242d55e115988bfbe10b15e053eb04377c4e572947efdfc4ff4f730a8d7f1644b2615372f510ba9e6f4834b37ed3e3569df6d2c971b45cf54c9
ssdeep: 12288:Y9O+cmWEnJbeTV2P+pdiwe5T0Qi1S6lEnJtBO/7vr97bODU+2Vbo15wLFH:Y0mWEnJqTS+T40v06lEJLO/XJNhF
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

MSIL/TrojanDropper.Agent.DNB also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
DrWebTrojan.Inject1.4287
MicroWorld-eScanGen:Variant.Razy.161191
FireEyeGeneric.mg.b640117339e43ffd
McAfeeArtemis!B640117339E4
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderGen:Variant.Razy.161191
K7GWTrojan ( 005036651 )
K7AntiVirusTrojan ( 005036651 )
BitDefenderThetaGen:NN.ZemsilF.34608.6qZ@auu4h!d
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:PWSX-gen [Trj]
ClamAVWin.Packed.Razy-6849099-0
KasperskyTrojan-Ransom.Win32.Blocker.dvjn
AlibabaTrojan:Win32/runner.ali1000123
NANO-AntivirusTrojan.Win32.Blocker.enocii
AegisLabTrojan.Win32.Blocker.j!c
RisingRansom.Blocker!8.12A (CLOUD)
Ad-AwareGen:Variant.Razy.161191
EmsisoftGen:Variant.Razy.161191 (B)
F-SecureTrojan.TR/Dropper.Gen
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
SophosML/PE-A + Troj/MSIL-JHH
IkarusTrojan-Spy.Agent
JiangminTrojan.Blocker.gtv
eGambitTrojan.Generic
AviraTR/Dropper.Gen
Antiy-AVLTrojan[Ransom]/Win32.Blocker.dvjn
MicrosoftBackdoor:Win32/Fynloski
ArcabitTrojan.Razy.D275A7
ZoneAlarmTrojan-Ransom.Win32.Blocker.dvjn
GDataGen:Variant.Razy.161191
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.RL_Generic.C3530246
VBA32Hoax.Blocker
ALYacGen:Variant.Razy.161191
MAXmalware (ai score=86)
MalwarebytesMachineLearning/Anomalous.96%
PandaTrj/GdSda.A
ESET-NOD32a variant of MSIL/TrojanDropper.Agent.DNB
TencentWin32.Trojan.Blocker.Pefg
SentinelOneStatic AI – Malicious PE
FortinetMSIL/Injector.MEG!tr
AVGWin32:PWSX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Blocker.HgIASOkA

How to remove MSIL/TrojanDropper.Agent.DNB virus?

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.DNB 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.DNB 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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