Written by Robert Bailey

What is Win32/TrojanDropper.Small.NMM infection?

In this article you will discover about the interpretation of Win32/TrojanDropper.Small.NMM as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a target.

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In the majority of the situations, Win32/TrojanDropper.Small.NMM virus will certainly instruct its victims to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has presented to the victim’s device.

Win32/TrojanDropper.Small.NMM Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 papers located on the victim’s hard disk drive — so the target can no longer use the data;
  • Preventing regular access 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 TrojWare.Win32.Ransom.Xorist.ET@4mg4hg


The most common channels whereby Win32/TrojanDropper.Small.NMM Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of user ending up on a source that hosts a malicious software;

As soon as the Trojan is successfully infused, it will either cipher the data on the target’s computer or protect against the tool from functioning in a proper manner – while additionally placing a ransom note that mentions the requirement for the targets to impact the payment for the purpose of decrypting the papers or bring back the data system back to the initial problem. In the majority of instances, the ransom money note will come up when the client reboots the PC after the system has currently been damaged.

Win32/TrojanDropper.Small.NMM circulation channels.

In different edges of the globe, Win32/TrojanDropper.Small.NMM expands by leaps and also bounds. Nonetheless, the ransom notes and also techniques of obtaining the ransom quantity might vary relying on certain regional (local) settings. The ransom notes as well as techniques of obtaining the ransom quantity might vary depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty statements about unlawful material.

    In nations where software application piracy is less prominent, this approach is not as efficient for the cyber frauds. Alternatively, the Win32/TrojanDropper.Small.NMM popup alert might falsely claim to be stemming from a police organization and also will report having situated kid pornography or various other unlawful data on the tool.

    Win32/TrojanDropper.Small.NMM popup alert may falsely assert to be obtaining from a legislation enforcement establishment as well as will report having situated child porn or various other unlawful data on the device. The alert will likewise have a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: B2497D71
md5: 61ff7de4d9ff1c5e17c5b29b0fec86b9
name: joined.exe
sha1: 3e7fa66623f6f1f75c4cf2cf6e81d570af1b59d0
sha256: 9455aaeddb6ad7cab447cea331f37fce5812a923c84958cab24ac9bafbe0c7dd
sha512: de2c95bed0525fa1a6914532a03c96a6b98cd7537aff5982d03a724a2e17c4699e04179a327098bbca6963156b32a603db3e0ab6fcefab1f2d810d16be3ab9e9
ssdeep: 12288:j9wNaSxzqOcstYhhhmzsoLPQIqtQtVWbhdpaC:MzBUhLoLPQRSMddpaC
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2019 Google LLC. All rights reserved.
InternalName: chrome_exe
CompanyShortName: Google
FileVersion: 75.0.3770.80
CompanyName: Google LLC
ProductShortName: Chrome
ProductName: Google Chrome
LastChange: 9a9aa15057b6b2cc0909bdcf638c0b65ecd516f2-refs/branch-heads/3770@#948
ProductVersion: 75.0.3770.80
FileDescription: Google Chrome
OriginalFilename: chrome.exe
Official Build: 1
Translation: 0x0409 0x04b0

Win32/TrojanDropper.Small.NMM also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Trojan.MSIL.Injector.MF
CAT-QuickHeal Virtool.Vbinder.A4
Qihoo-360 HEUR/QVM20.1.B5D7.Malware.Gen
McAfee GenericRXAC-LG!61FF7DE4D9FF
Cylance Unsafe
AegisLab Trojan.Win32.Poison.tnhw
BitDefender Trojan.MSIL.Injector.MF
K7GW Backdoor ( 0040f6fb1 )
K7AntiVirus Backdoor ( 0040f6fb1 )
Invincea heuristic
Baidu Win32.Trojan-Dropper.Small.o
NANO-Antivirus Trojan.Win32.Poison.cbeljp
F-Prot W32/GenTroj.S.gen!Eldorado
Symantec Trojan.Dropper!g1
APEX Malicious
ClamAV Win.Trojan.Poison-8692
Kaspersky Backdoor.Win32.Poison.ggrf
ViRobot Backdoor.Win32.Agent.67584.L
Ad-Aware Trojan.MSIL.Injector.MF
Sophos Troj/Vbinder-D
Comodo TrojWare.Win32.Ransom.Xorist.ET@4mg4hg
F-Secure Heuristic.HEUR/AGEN.1022100
DrWeb Trojan.MulDrop8.22787
McAfee-GW-Edition BehavesLike.Win32.Generic.gc
Fortinet W32/Xorist.ET!tr
CMC Backdoor.Win32.Poison!O
Emsisoft Trojan.MSIL.Injector.MF (B)
SentinelOne DFI – Malicious PE
Cyren W32/GenTroj.S.gen!Eldorado
Jiangmin Backdoor/Poison.abtg
Avira HEUR/AGEN.1022100
MAX malware (ai score=82)
Endgame malicious (high confidence)
Arcabit Trojan.MSIL.Injector.MF
ZoneAlarm Backdoor.Win32.Poison.ggrf
Microsoft VirTool:Win32/Vbinder
AhnLab-V3 Backdoor/Win32.Poison.R72119
Acronis suspicious
ALYac Trojan.MSIL.Injector.MF
VBA32 Backdoor.Poison
Malwarebytes Backdoor.Dropper
Panda Trj/Injector.BH
ESET-NOD32 Win32/TrojanDropper.Small.NMM
TrendMicro-HouseCall TROJ_VBINDER.SM
Rising Backdoor.Poison!8.2D7/N3#100% (RDM+:cmRtazqilhwtT/VytW0ylR73aNbG)
Yandex Trojan.Oxij.Gen.LA
Ikarus Backdoor.Poison
eGambit Unsafe.AI_Score_99%
GData Trojan.MSIL.Injector.MF
AVG Win32:GenMalicious-NUS [Trj]
Cybereason malicious.4d9ff1
Avast Win32:GenMalicious-NUS [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/TrojanDropper.Small.NMM 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 Win32/TrojanDropper.Small.NMM 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

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If the guide doesn’t help you to remove Win32/TrojanDropper.Small.NMM you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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