MSIL/Agent.NR

Written by Robert Bailey

What is MSIL/Agent.NR infection?

In this short article you will certainly find about the meaning of MSIL/Agent.NR and its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom by a victim.

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Most of the instances, MSIL/Agent.NR virus will certainly advise its victims to start funds move for the function of neutralizing the changes that the Trojan infection has presented to the target’s tool.

MSIL/Agent.NR Summary

These modifications can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Ciphering the files found on the victim’s disk drive — so the target can no more utilize the information;
  • Preventing routine access to the sufferer’s workstation;

MSIL/Agent.NR

The most common channels through which MSIL/Agent.NR Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that holds a malicious software program;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the target’s PC or stop the gadget from operating in a correct fashion – while also positioning a ransom money note that discusses the need for the sufferers to effect the payment for the purpose of decrypting the papers or restoring the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has currently been damaged.

MSIL/Agent.NR circulation channels.

In various corners of the globe, MSIL/Agent.NR expands by jumps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom money quantity might differ depending upon certain local (local) settings. The ransom money notes as well as techniques of obtaining the ransom money quantity may vary depending on specific regional (regional) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s tool. The alert after that requires the customer to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In nations where software piracy is less preferred, this method is not as reliable for the cyber fraudulences. Alternatively, the MSIL/Agent.NR popup alert may wrongly claim to be originating from a law enforcement establishment and also will certainly report having located kid porn or various other prohibited information on the device.

    MSIL/Agent.NR popup alert may wrongly claim to be obtaining from a regulation enforcement institution as well as will report having situated kid porn or various other illegal information on the device. The alert will similarly contain a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: B84E83C1
md5: da20bade599b089a454f28cc25760592
name: DA20BADE599B089A454F28CC25760592.mlw
sha1: ada46a35c59c89cc222431ce40150b605cab1c93
sha256: 48fd33be0377982481019f6c5dde5c62715893b4d4910564af109ae0eef2cd3d
sha512: b3f8a0546896d8a103ae2d7513bc5c08bbbe41778ec81f7fa64478b68f571ca90143e97abe55e8bf128fe3b0c8a206feb9218e585403416d645035528de1f260
ssdeep: 1536:6V064X4ylLi5yL+bX4/BBxxL4fuzUT/1DtU3TVTLkOy:nLLiqsW3wfKUTZtU3TVvDy
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright:
Assembly Version: 0.0.0.0
InternalName: server.exe
FileVersion: 0.0.0.0
ProductVersion: 0.0.0.0
FileDescription:
OriginalFilename: server.exe

MSIL/Agent.NR also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0042eefe1 )
Elastic malicious (high confidence)
DrWeb Trojan.PackedNET.30
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Dropper.Dapato.Win32.13847
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.c00ba911
K7GW Trojan ( 0042eefe1 )
Cybereason malicious.e599b0
Cyren W32/MSIL_Troj.FT.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Agent.NR
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Hpbladabi-6860330-0
Kaspersky Trojan-Ransom.Win32.Blocker.kjjz
BitDefender Gen:Heur.MSIL.Bladabindi.1
NANO-Antivirus Trojan.Win32.Blocker.evopfb
MicroWorld-eScan Gen:Heur.MSIL.Bladabindi.1
Tencent Win32.Trojan.Blocker.Wqwe
Ad-Aware Gen:Heur.MSIL.Bladabindi.1
Sophos Mal/Generic-R + Mal/MSIL-PX
Comodo Malware@#1wuziyogrp1ro
BitDefenderTheta Gen:NN.ZemsilF.34678.em0@aKOIW6n
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_Blocker.R002C0RL420
McAfee-GW-Edition BehavesLike.Win32.Generic.lc
FireEye Generic.mg.da20bade599b089a
Emsisoft Gen:Heur.MSIL.Bladabindi.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDropper.Dapato.lsw
Avira TR/Dropper.MSIL.Gen
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.MSIL.Bladabindi.1
AegisLab Trojan.Win32.Generic.mhYq
GData Gen:Heur.MSIL.Bladabindi.1
Acronis suspicious
McAfee Artemis!DA20BADE599B
MAX malware (ai score=100)
VBA32 Trojan-Ransom.Blocker
Malwarebytes Backdoor.Bladabindi.MSIL
TrendMicro-HouseCall Ransom_Blocker.R002C0RL420
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Trojan-Dropper.MSIL
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dapato.BTWF!tr
AVG Win32:Trojan-gen

How to remove MSIL/Agent.NR 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

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/Agent.NR 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/Agent.NR 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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