Written by Robert Bailey

What is MSIL/Spy.Keylogger.NX infection?

In this article you will certainly locate regarding the meaning of MSIL/Spy.Keylogger.NX as well as its negative effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to demand paying the ransom money by a sufferer.

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Most of the cases, MSIL/Spy.Keylogger.NX infection will certainly advise its victims to launch funds transfer for the objective of neutralizing the changes that the Trojan infection has presented to the victim’s gadget.

MSIL/Spy.Keylogger.NX Summary

These modifications 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.
  • 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.

  • Sniffs keystrokes;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the target’s disk drive — so the victim can no more make use of the information;
  • Preventing normal 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.


One of the most common networks where MSIL/Spy.Keylogger.NX Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer ending up on a source that organizes a destructive software;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from working in a correct manner – while also placing a ransom note that states the demand for the victims to effect the payment for the objective of decrypting the records or restoring the file system back to the initial condition. In the majority of instances, the ransom note will certainly show up when the customer restarts the PC after the system has currently been harmed.

MSIL/Spy.Keylogger.NX distribution networks.

In various edges of the world, MSIL/Spy.Keylogger.NX expands by leaps and also bounds. Nevertheless, the ransom notes as well as tricks of obtaining the ransom amount may differ depending on certain regional (local) settings. The ransom notes and techniques of extorting the ransom quantity might vary depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the sufferer’s tool. The alert then requires the user to pay the ransom money.

    Faulty declarations about prohibited material.

    In countries where software program piracy is less prominent, this approach is not as reliable for the cyber frauds. Additionally, the MSIL/Spy.Keylogger.NX popup alert might falsely assert to be deriving from a law enforcement organization and also will certainly report having situated child pornography or various other prohibited information on the gadget.

    MSIL/Spy.Keylogger.NX popup alert might wrongly assert to be obtaining from a law enforcement organization and will certainly report having situated kid porn or other prohibited information on the device. The alert will likewise include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 602BD80B
md5: 9f0f60ed1d63861373d398259ec6c3c3
name: 9F0F60ED1D63861373D398259EC6C3C3.mlw
sha1: 4e94f6b248d6145214c638780f44a99cf5348ca6
sha256: 91b0cef2630a111e56271ab9f313384c965410d95e2573674045508e9abb2716
sha512: e43ef870264a71e3c1cf2b4976df13a558e9e9e83fb24e1ab3c3411bbf8779e74358f501091d3d98f641bdac4d3b4857383d946e4496740726467fd06dbf30e2
ssdeep: 384:hhxe7MPsGclq4Iyhu/m4RjzWRBz5we7Lf45soaqUQfmn8+GrWd:hhwYuAhG5P/loaqO
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft Comporation 2012
Assembly Version:
InternalName: stub.exe
CompanyName: Microsoft Comporation
ProductName: stub
FileDescription: stub
OriginalFilename: stub.exe

MSIL/Spy.Keylogger.NX also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Hacktool ( 005123361 )
DrWeb Trojan.Siggen3.54178
Cynet Malicious (score: 99)
ALYac Gen:Heur.MSIL.Krypt.2
Cylance Unsafe
Zillya Trojan.Keylogger.Win32.16571
Sangfor Trojan.Win32.Save.a
K7GW Hacktool ( 005123361 )
Cybereason malicious.d1d638
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/Spy.Keylogger.NX
APEX Malicious
Avast Win32:GenMaliciousA-HRM [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.MSIL.Krypt.2
NANO-Antivirus Trojan.Win32.TrjGen.dkexeu
MicroWorld-eScan Gen:Heur.MSIL.Krypt.2
Tencent Win32.Trojan.Generic.Hufv
Ad-Aware Gen:Heur.MSIL.Krypt.2
Sophos ML/PE-A + Mal/MSIL-AG
Comodo Malware@#3n3pugh0x6fip
BitDefenderTheta Gen:NN.ZemsilF.34678.bq0@aeVxtzi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic MSIL.a
Emsisoft Gen:Heur.MSIL.Krypt.2 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Dropper.Gen
Avira TR/Spy.Gen
eGambit Unsafe.AI_Score_99%
Microsoft Backdoor:Win32/Bladabindi!ml
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.MSIL.Krypt.2
McAfee Generic MSIL.a
MAX malware (ai score=86)
VBA32 TScope.Trojan.MSIL
Panda Generic Malware
Rising Trojan.Win32.Generic.12BB822C (C64:YzY0OkzBPYOEBZpd)
Ikarus Trojan-Ransom.HiddenTear
AVG Win32:GenMaliciousA-HRM [Trj]

How to remove MSIL/Spy.Keylogger.NX ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 MSIL/Spy.Keylogger.NX 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 MSIL/Spy.Keylogger.NX 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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