Ransom:Win32/Nemty.D

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

What is Ransom:Win32/Nemty.D infection?

In this article you will certainly find regarding the meaning of Ransom:Win32/Nemty.D as well as its unfavorable effect on your computer system. Such ransomware are a type of malware that is clarified by on the internet scams to require paying the ransom by a victim.

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Most of the cases, Ransom:Win32/Nemty.D ransomware will instruct its sufferers to launch funds move for the function of reducing the effects of the changes that the Trojan infection has introduced to the target’s device.

Ransom:Win32/Nemty.D Summary

These alterations 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.
  • 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.
  • A process attempted to delay the analysis task.;
  • Attempts to execute a powershell command with suspicious parameter/s;
  • A process created a hidden window;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Executed a very long command line or script command which may be indicative of chained commands or obfuscation;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • Network activity contains more than one unique useragent.;
  • Writes a potential ransom message to disk;
  • Contacts C&C server HTTP check-in (Banking Trojan);
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Clears Windows events or logs;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the victim’s hard drive — so the sufferer can no more use the data;
  • Preventing routine accessibility 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
z.whorecord.xyzGen:Heur.Ransom.Imps.1
www.myexternalip.comGen:Heur.Ransom.Imps.1
a.tomx.xyzGen:Heur.Ransom.Imps.1
ocsp.pki.googGen:Heur.Ransom.Imps.1
api.db-ip.comGen:Heur.Ransom.Imps.1
nemty10.hkGen:Heur.Ransom.Imps.1

Ransom:Win32/Nemty.D

One of the most common networks through which Ransom:Win32/Nemty.D Trojans are infused are:

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

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s computer or stop the gadget from operating in an appropriate manner – while additionally positioning a ransom note that mentions the need for the sufferers to effect the settlement for the objective of decrypting the documents or restoring the file system back to the preliminary problem. In a lot of circumstances, the ransom money note will show up when the client reboots the PC after the system has already been damaged.

Ransom:Win32/Nemty.D circulation channels.

In numerous corners of the world, Ransom:Win32/Nemty.D grows by jumps and bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom money quantity may differ depending upon specific neighborhood (local) setups. The ransom notes as well as tricks of extorting the ransom amount might differ depending on particular local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the sufferer’s tool. The sharp after that demands the user to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software piracy is much less preferred, this method is not as efficient for the cyber scams. Additionally, the Ransom:Win32/Nemty.D popup alert may falsely declare to be deriving from a law enforcement organization and will report having located child porn or other prohibited information on the gadget.

    Ransom:Win32/Nemty.D popup alert may falsely declare to be acquiring from a legislation enforcement institution and also will report having situated youngster porn or other illegal information 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: E6FBA759
md5: a5d962de3761c8ed95e97d49dcde8f12
name: nem.exe
sha1: c8f960f1747c7325e4cfaaa87a8fc3ed452a0f50
sha256: 5c59f79a1706bbdb2cd0f0d34baea40cee5f15220599c24dca5a535c1c6654a1
sha512: 7048d65a807741a81f8ff155fb7fe01860fba4634e8c7167f38c3c8a2221f8fa19b07432c0f12a2c187a0845fb1029492ebb3a8045b79818c0cba6c4ec8676b6
ssdeep: 1536:RStOoo6j+5UTeLNSTQjn0WLg4xI1kXcteRYVzgQxSOrjpBrO:RKHp+5UiZSqzguRcs4zgQxSOPLrO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Nemty.D also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Heur.Ransom.Imps.1
McAfeeRansom-Nemty!A5D962DE3761
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
CrowdStrikewin/malicious_confidence_90% (W)
BitDefenderGen:Heur.Ransom.Imps.1
K7GWTrojan ( 00556c621 )
K7AntiVirusTrojan ( 00556c621 )
ArcabitTrojan.Ransom.Imps.1
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Filecoder.Nemty.A
APEXMalicious
Paloaltogeneric.ml
KasperskyHEUR:Trojan.Win32.Zenpak.vho
AlibabaRansom:Win32/Genasom.ali1000102
NANO-AntivirusTrojan.Win32.Encoder.gxsssr
RisingRansom.Nemty!1.BD61 (CLASSIC)
Endgamemalicious (high confidence)
EmsisoftGen:Heur.Ransom.Imps.1 (B)
F-SecureTrojan.TR/Downloader.Gen
DrWebTrojan.Encoder.30832
ZillyaTrojan.Filecoder.Win32.12172
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Rimecud.nh
FortinetW32/Filecoder_Nemty.A!tr
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.a5d962de3761c8ed
SophosMal/Generic-S
SentinelOneDFI – Malicious PE
JiangminTrojan.Zenpak.axc
WebrootW32.Malware.Gen
AviraTR/Downloader.Gen
MAXmalware (ai score=84)
MicrosoftRansom:Win32/Nemty.D
ZoneAlarmHEUR:Trojan.Win32.Zenpak.vho
AhnLab-V3Trojan/Win32.Nemty.C3974898
Acronissuspicious
VBA32BScope.Trojan.Encoder
ALYacGen:Heur.Ransom.Imps.1
Ad-AwareGen:Heur.Ransom.Imps.1
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_Nemty.R015C0DB820
TencentWin32.Trojan.Filecoder.Loht
GDataGen:Heur.Ransom.Imps.1
BitDefenderThetaAI:Packer.8D8C4BDE1E
AVGWin32:RansomX-gen [Ransom]
Cybereasonmalicious.e3761c
AvastWin32:RansomX-gen [Ransom]
MaxSecureTrojan.Malware.74773626.susgen

How to remove Ransom:Win32/Nemty.D 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

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 Ransom:Win32/Nemty.D 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 Ransom:Win32/Nemty.D 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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