Trojan.MulDrop

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

What is Trojan.MulDrop infection?

In this article you will discover about the interpretation of Trojan.MulDrop and its negative effect on your computer. Such ransomware are a type of malware that is clarified by on-line fraudulences to demand paying the ransom by a target.

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Most of the instances, Trojan.MulDrop virus will instruct its victims to start funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the victim’s gadget.

Trojan.MulDrop Summary

These alterations can be as follows:

  • 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.

  • A process created a hidden window;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the victim’s hard disk drive — so the target can no more utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyzTrojan-Ransom.Gryphon
a.tomx.xyzTrojan-Ransom.Gryphon

Trojan.MulDrop

One of the most regular networks where Trojan.MulDrop Ransomware Trojans 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 a consequence of user ending up on a resource that holds a harmful software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or protect against the device from functioning in a proper way – while likewise positioning a ransom note that discusses the need for the victims to impact the payment for the objective of decrypting the records or recovering the file system back to the first problem. In many circumstances, the ransom note will come up when the client restarts the COMPUTER after the system has actually already been damaged.

Trojan.MulDrop circulation networks.

In numerous edges of the globe, Trojan.MulDrop grows by leaps and also bounds. Nonetheless, the ransom notes as well as techniques of extorting the ransom money amount may vary depending on specific neighborhood (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money amount might differ depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the target’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In countries where software piracy is much less popular, this approach is not as effective for the cyber scams. Alternatively, the Trojan.MulDrop popup alert may falsely assert to be deriving from a police establishment and also will certainly report having situated youngster porn or other unlawful data on the tool.

    Trojan.MulDrop popup alert might wrongly assert to be deriving from a law enforcement organization as well as will certainly report having located youngster pornography or various other prohibited data on the tool. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 1BDA584B
md5: e2e2fb235719552f323b024096eef5de
name: E2E2FB235719552F323B024096EEF5DE.mlw
sha1: 751395ab54559988a010a0fe3e11144a03ce36c9
sha256: 2c1b21bb2d290b001e98c1b03c006c795e01f239258b0d2b406bb069dddad887
sha512: 68b57839908931abcedfcbdc95578d11717aa62c1794f80751e36c8102c1d6d734207c954689f763006c414ff02921acb854ba11bf00f85c9dc181930fe70106
ssdeep: 1536:Q04f1SMHjZ0k/tB1g//I0DuoxbxAHscqbb4+VmRXbWtYe+jSdeF+/H32/QGHpdco:af1BDZ0kVB67Duw9AMcqb7SrWS9jSL3m
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

InternalName: Wextract
FileDescription: Win32 Cabinet Self-Extractor
FileVersion: 9.00.8112.16421 (WIN7_IE9_RTM.110308-0330)
CompanyName: Microsoft Corporation
Translation: 0x0409 0x04b0

Trojan.MulDrop also known as:

GridinSoftTrojan.Ransom.Gen
FireEyeGeneric.mg.e2e2fb235719552f
McAfeeArtemis!E2E2FB235719
CylanceUnsafe
AegisLabTrojan.Win32.Generic.4!c
SangforMalware
K7AntiVirusTrojan ( 005747ab1 )
BitDefenderTrojan.GenericKD.44954868
K7GWTrojan ( 005747ab1 )
Cybereasonmalicious.b54559
CyrenW32/Injector.ADO.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Trojan-gen
CynetMalicious (score: 90)
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojanDropper:Win32/dropper.ali1003001
MicroWorld-eScanTrojan.GenericKD.44954868
RisingTrojan.Injector/NSIS!1.BFBB (CLASSIC)
Ad-AwareTrojan.GenericKD.44954868
SophosMal/Generic-S
F-SecureTrojan.TR/AD.ShellcodeCrypter.ihgqz
DrWebTrojan.MulDrop15.61988
TrendMicroTROJ_GEN.R049C0PLE20
McAfee-GW-EditionBehavesLike.Win32.AdwareAdload.mc
EmsisoftTrojan.GenericKD.44954868 (B)
IkarusTrojan-Ransom.Gryphon
AviraTR/AD.ShellcodeCrypter.ihgqz
Antiy-AVLTrojan/MSIL.Vasal
MicrosoftTrojan:Win32/Predator!MTB
GridinsoftRansom.Win32.Filecoder.dd!s1
ArcabitTrojan.Generic.D2ADF4F4
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan.Agent.BVGB4H
AhnLab-V3Malware/Win32.Generic.C4261848
ALYacTrojan.GenericKD.44954868
VBA32Trojan.MulDrop
PandaTrj/CI.A
ESET-NOD32NSIS/Injector.AJL
TrendMicro-HouseCallTROJ_GEN.R049C0PLE20
MAXmalware (ai score=84)
WebrootW32.Trojan.TR.AD.ShellcodeCrypt
AVGWin32:Trojan-gen
CrowdStrikewin/malicious_confidence_70% (D)
Qihoo-360Generic/HEUR/QVM42.3.D84F.Malware.Gen

How to remove Trojan.MulDrop 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.MulDrop 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 Trojan.MulDrop 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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