Troj/Nemty-A

Written by Robert Bailey

What is Troj/Nemty-A infection?

In this article you will locate concerning the meaning of Troj/Nemty-A and also its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom by a victim.

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Most of the cases, Troj/Nemty-A virus will certainly instruct its targets to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s device.

Troj/Nemty-A Summary

These adjustments can be as adheres to:

  • Possible date expiration check, exits too soon after checking local time;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Looks up the external IP address;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Modifies boot configuration settings;
  • 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
  • Writes a potential ransom message to disk;
  • 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.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the victim’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
api.ipify.org Gen:Heur.Ransom.Imps.1
nemty.hk Gen:Heur.Ransom.Imps.1

Troj/Nemty-A

The most typical networks where Troj/Nemty-A Ransomware are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the target’s computer or stop the gadget from functioning in a proper fashion – while additionally placing a ransom money note that discusses the need for the targets to effect the settlement for the function of decrypting the files or recovering the file system back to the preliminary problem. In many instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Troj/Nemty-A circulation channels.

In numerous edges of the globe, Troj/Nemty-A grows by leaps and also bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom quantity may differ depending upon particular neighborhood (local) setups. The ransom notes and methods of obtaining the ransom quantity might vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the victim’s tool. The sharp then demands the user to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In countries where software program piracy is less prominent, this method is not as effective for the cyber frauds. Conversely, the Troj/Nemty-A popup alert might falsely assert to be originating from a law enforcement establishment as well as will certainly report having located youngster porn or other unlawful data on the device.

    Troj/Nemty-A popup alert may incorrectly claim to be deriving from a law enforcement organization and will certainly report having situated kid pornography or various other unlawful information on the device. The alert will similarly contain a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: D92B7246
md5: a3949dd20203f24c655a60a832df0aae
name: 1000.exe
sha1: 0343d149f267dec0345ee026a2f4e541b6719ad1
sha256: 2497543441cf35647afa60d6bc76825cfebf24e3421fbe101b38838aed63ba21
sha512: 964be5bdbf12699867ebe8eae3c57415284703131a201d27b2d78910337dc620b004e563491f10a828d74cf4d938132e26efe87172a288eb914fb05d8ce45a5a
ssdeep: 1536:bS1G31pc/VXZFFuiyX8zAqtXMqYfcepWR/QkQTx9W:W1GFpOVpyX8XRcfcAWRwTx9W
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Troj/Nemty-A also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Gen:Heur.Ransom.Imps.1
FireEye Generic.mg.a3949dd20203f24c
CAT-QuickHeal Trojan.Generic
ALYac Trojan.Ransom.Nemty
Malwarebytes Ransom.Nemty
AegisLab Trojan.Win32.Generic.4!c
K7AntiVirus Trojan ( 00556c621 )
BitDefender Gen:Heur.Ransom.Imps.1
Cybereason malicious.20203f
TrendMicro Ransom.Win32.NEMTY.SMTH
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Ransomware.Generic-6545091-0
GData Gen:Heur.Ransom.Imps.1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/Nemty.2afd0aa4
NANO-Antivirus Trojan.Win32.Filecoder.gcrrsk
ViRobot Trojan.Win32.Z.Nemty.90624
Rising Ransom.Nemty!1.BD61 (CLASSIC)
Ad-Aware Gen:Heur.Ransom.Imps.1
Sophos Troj/Nemty-A
F-Secure Trojan.TR/Downloader.Gen
DrWeb Trojan.Encoder.29417
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.mh
Emsisoft Gen:Heur.Ransom.Imps.1 (B)
Cyren W32/Ransom.UCDK-5460
Jiangmin Trojan.Generic.ecogy
Avira TR/Downloader.Gen
Antiy-AVL Trojan[Ransom]/Win32.Nemty
Endgame malicious (high confidence)
Arcabit Trojan.Ransom.Imps.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Ransom:Win32/Nemty.D
AhnLab-V3 Malware/Win32.RL_Ransom.R294423
Acronis suspicious
McAfee GenericRXIU-OJ!A3949DD20203
MAX malware (ai score=84)
VBA32 BScope.Trojan.Agent
Cylance Unsafe
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Filecoder.Nemty.A
TrendMicro-HouseCall Ransom.Win32.NEMTY.SMTH
SentinelOne DFI – Malicious PE
Fortinet W32/Generic.A!tr.ransom
AVG FileRepMalware
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.IM.1dd

How to remove Troj/Nemty-A 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 Troj/Nemty-A 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 Troj/Nemty-A 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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