MSIL/TrojanDropper.Agent.DMS

Written by Robert Bailey

What is MSIL/TrojanDropper.Agent.DMS infection?

In this short article you will certainly discover about the meaning of MSIL/TrojanDropper.Agent.DMS and its unfavorable effect on your computer. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom money by a target.

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In the majority of the situations, MSIL/TrojanDropper.Agent.DMS ransomware will certainly advise its sufferers to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the victim’s device.

MSIL/TrojanDropper.Agent.DMS Summary

These alterations can be as follows:

  • 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.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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.
  • Performs some HTTP requests;
  • 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
  • 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;
  • Unusual version info supplied for binary;
  • Ciphering the files situated on the target’s hard disk — so the victim can no more make use of the information;
  • 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
sgtsteel.sytes.net Trojan.Ransom.GenericKD.40135840
hyp3rsteel.sytes.net Trojan.Ransom.GenericKD.40135840
booray123.no-ip.biz Trojan.Ransom.GenericKD.40135840
java.com Trojan.Ransom.GenericKD.40135840
www.bing.com Trojan.Ransom.GenericKD.40135840

MSIL/TrojanDropper.Agent.DMS

The most common channels whereby MSIL/TrojanDropper.Agent.DMS Trojans are injected 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 customer winding up on a source that holds a destructive software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or prevent the tool from operating in an appropriate way – while likewise placing a ransom money note that points out the need for the sufferers to effect the payment for the function of decrypting the files or recovering the file system back to the initial problem. In the majority of instances, the ransom money note will come up when the client restarts the COMPUTER after the system has actually currently been damaged.

MSIL/TrojanDropper.Agent.DMS circulation channels.

In various edges of the world, MSIL/TrojanDropper.Agent.DMS expands by jumps and also bounds. However, the ransom notes as well as techniques of obtaining the ransom money quantity might vary relying on particular regional (local) setups. The ransom money notes as well as tricks of extorting the ransom money amount might vary depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually found some unlicensed applications enabled on the victim’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty statements concerning illegal material.

    In countries where software piracy is less popular, this approach is not as reliable for the cyber frauds. Additionally, the MSIL/TrojanDropper.Agent.DMS popup alert might wrongly claim to be stemming from a law enforcement establishment as well as will report having located youngster pornography or other prohibited information on the tool.

    MSIL/TrojanDropper.Agent.DMS popup alert might falsely claim to be deriving from a legislation enforcement institution as well as will report having situated youngster porn or various other illegal data on the tool. The alert will likewise have a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 10FCC46D
md5: f3b7930592feb43bc1773ba6a9388d2f
name: F3B7930592FEB43BC1773BA6A9388D2F.mlw
sha1: 128dee644fd97701f9f5fbe434f75116afb5d5db
sha256: 0f21697b41bcbd975c4d9867136ccf20211ad7c5681e560b58298b40c55f5cf0
sha512: ef35170543b3b88621e56335b53f84f325586b6bc2f9417c2cf4c3003572a8aedb6ab14db4b841994b5357eb87011cce80a85ed2bcd84418fc611f88daef4cd9
ssdeep: 49152:FjSeJnN0NdJu1UgHrnRAST8XrhaRY0T+nqO4P4a:5cd4rn3T8hiVT+ne4
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2015
Assembly Version: 1.0.0.0
InternalName: MinecraftWT.exe
FileVersion: 1.0.0.0
CompanyName: Mojang AB
ProductName: Minecraft
ProductVersion: 1.0.0.0
FileDescription: Minecraft Launcher
OriginalFilename: MinecraftWT.exe

MSIL/TrojanDropper.Agent.DMS also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052793b1 )
Cynet Malicious (score: 99)
ALYac Trojan.Ransom.GenericKD.40135840
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7GW Trojan ( 0052793b1 )
Cybereason malicious.592feb
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.DMS
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Trojan.Ransom.GenericKD.40135840
NANO-Antivirus Trojan.Win32.Blocker.eydwkx
MicroWorld-eScan Trojan.Ransom.GenericKD.40135840
Tencent Win32.Trojan.Generic.Ednj
Ad-Aware Trojan.Ransom.GenericKD.40135840
Sophos Mal/Generic-S
Comodo Malware@#2r5g8yg4k439z
BitDefenderTheta Gen:NN.ZemsilF.34688.Xn0@a4Vjl9
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.f3b7930592feb43b
Emsisoft Trojan.Ransom.GenericKD.40135840 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.ifg
Avira TR/Drop.Agent.bikkv
Microsoft Trojan:Win32/Tiggre!rfn
AegisLab Trojan.Win32.Blocker.j!c
GData Trojan.Ransom.GenericKD.40135840
McAfee Artemis!F3B7930592FE
MAX malware (ai score=89)
Panda Trj/GdSda.A
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan-Dropper.MSIL.Agent
Fortinet W32/Dropper.TE!tr
AVG Win32:Malware-gen

How to remove MSIL/TrojanDropper.Agent.DMS 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.DMS 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/TrojanDropper.Agent.DMS 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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