Win32/Kryptik.NHM

Written by Robert Bailey

What is Win32/Kryptik.NHM infection?

In this article you will certainly find concerning the interpretation of Win32/Kryptik.NHM and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is clarified by online frauds to require paying the ransom money by a target.

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Most of the instances, Win32/Kryptik.NHM ransomware will advise its sufferers to start funds move for the objective of neutralizing the modifications that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.NHM Summary

These adjustments 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.
  • 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.
  • Expresses interest in specific running processes;
  • 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;
  • 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;
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Enumerates services, possibly for anti-virtualization;
  • Detects the presence of Wine emulator via function name;
  • Deletes its original binary from disk;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Network activity contains more than one unique useragent.;
  • 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.
  • Checks the version of Bios, possibly for anti-virtualization;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • The sample wrote data to the system hosts file.;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the victim’s hard disk — so the victim can no more 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
levartnetcom.net Trojan:Win32/Vundo.SA
imagehut4.cn Trojan:Win32/Vundo.SA

Win32/Kryptik.NHM

The most common channels through which Win32/Kryptik.NHM Ransomware are injected are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a resource that hosts a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the data on the victim’s computer or protect against the tool from functioning in a correct manner – while additionally putting a ransom note that states the demand for the victims to effect the settlement for the objective of decrypting the documents or recovering the data system back to the preliminary problem. In most instances, the ransom note will certainly come up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Kryptik.NHM distribution networks.

In various edges of the world, Win32/Kryptik.NHM grows by leaps and bounds. However, the ransom money notes as well as tricks of extorting the ransom amount may vary depending upon certain regional (local) setups. The ransom notes as well as techniques of obtaining the ransom amount may differ depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In particular locations, the Trojans typically wrongfully report having found some unlicensed applications enabled on the target’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful content.

    In nations where software application piracy is less prominent, this approach is not as effective for the cyber scams. Additionally, the Win32/Kryptik.NHM popup alert might incorrectly claim to be originating from a police organization as well as will certainly report having located child pornography or various other unlawful data on the gadget.

    Win32/Kryptik.NHM popup alert might falsely claim to be acquiring from a regulation enforcement institution and will report having located kid pornography or various other prohibited information on the gadget. The alert will in a similar way contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: CEFFBD70
md5: cf209a2cb5dad76d656c16aa05518d62
name: CF209A2CB5DAD76D656C16AA05518D62.mlw
sha1: 466076213e740fdbe394f728ec0b1adae203bdcf
sha256: 64537e145e8e0382e363afc5859d417cef392e6c3863e5cc17709fd843abda85
sha512: fb6b916ca0ab67a9009213eec42afb7d704deb471dd9f1b39f1504016c275a184a996830940ca5635223a2a6994d6b7289613cf2a5de442f4d721f61045bd51b
ssdeep: 6144:QdRchqUMZGEHxDhO/mwUQl5e7G6esZ/8I47tw5aC4qRJuUxKlr2LZi8Vk13+Whqa:QkhqUM8EHxhZwUcCVb6Qa9qRdxK41uSa
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) Osoaqshor Corp. 1998-1999
InternalName: msaddsr.dll
FileVersion: 2.53.6200.0
CompanyName: Xrvabptpv Izpqrohobvb
ProductName: Etcpgwgrc Data Access Components
ProductVersion: 2.53.6200.0
FileDescription: Gbuisbngi Data Access - OLE DB Data Shape Provider Resources
OriginalFilename: msaddsr.dll
Translation: 0x0409 0x04b0

Win32/Kryptik.NHM also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb Trojan.Smardec.75
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Cerber.1
Zillya Trojan.Pirminay.Win32.3563
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Trojan ( 0055dd191 )
Cybereason malicious.cb5dad
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.NHM
APEX Malicious
Avast Win32:GenMalicious-SQ [Trj]
Kaspersky Trojan.Win32.Pirminay.ayqx
BitDefender Trojan.Ransom.Cerber.1
NANO-Antivirus Trojan.Win32.Dwn.lxmbs
MicroWorld-eScan Trojan.Ransom.Cerber.1
Tencent Win32.Trojan.Pirminay.Szuu
Ad-Aware Trojan.Ransom.Cerber.1
Sophos Mal/Generic-S
Comodo Malware@#2zk10awcjv7ui
BitDefenderTheta AI:Packer.5D7785701F
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Rootkit.fh
FireEye Generic.mg.cf209a2cb5dad76d
Emsisoft Trojan.Ransom.Cerber.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Generic.hytk
Avira TR/Crypt.XPACK.Gen
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.183C003
Microsoft Trojan:Win32/Vundo.SA
GData Trojan.Ransom.Cerber.1
TACHYON Trojan/W32.Pirminay.390087
Acronis suspicious
McAfee Artemis!CF209A2CB5DA
MAX malware (ai score=99)
VBA32 BScope.Trojan.Hosts
Panda Trj/CI.A
Rising Trojan.Bulta!8.35D (CLOUD)
Yandex Trojan.Pirminay!h4LYOmkfs+I
Ikarus Trojan-Downloader.Win32.Ponmocup
Fortinet W32/Kryptik.ANL!tr
AVG Win32:GenMalicious-SQ [Trj]
Paloalto generic.ml

How to remove Win32/Kryptik.NHM 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 Win32/Kryptik.NHM 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 Win32/Kryptik.NHM 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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