Written by Robert Bailey

What is MSIL/Filecoder.AIG infection?

In this article you will discover concerning the interpretation of MSIL/Filecoder.AIG and its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom by a target.

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Most of the situations, MSIL/Filecoder.AIG infection will certainly instruct its targets to start funds move for the function of neutralizing the amendments that the Trojan infection has presented to the target’s gadget.

MSIL/Filecoder.AIG Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Detects Sandboxie through the presence of a library;
  • Attempts to modify desktop wallpaper;
  • Installs itself for autorun at Windows startup;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Collects information to fingerprint the system;
  • Ciphering the records found on the sufferer’s hard disk drive — so the victim can no more make use of the information;
  • Preventing routine accessibility to the victim’s workstation;

Related domains: Generic.Ransom.Hiddentear.A.3074A623 Generic.Ransom.Hiddentear.A.3074A623 Generic.Ransom.Hiddentear.A.3074A623 Generic.Ransom.Hiddentear.A.3074A623


The most regular channels where MSIL/Filecoder.AIG Ransomware are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a resource that organizes a harmful software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s computer or protect against the tool from operating in a proper fashion – while also placing a ransom note that mentions the demand for the targets to impact the payment for the purpose of decrypting the files or recovering the file system back to the first condition. In most circumstances, the ransom money note will turn up when the customer reboots the PC after the system has actually already been harmed.

MSIL/Filecoder.AIG distribution channels.

In various edges of the world, MSIL/Filecoder.AIG grows by jumps and also bounds. However, the ransom notes as well as techniques of obtaining the ransom quantity might differ depending on particular neighborhood (local) settings. The ransom notes as well as techniques of extorting the ransom money quantity might differ depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having identified some unlicensed applications enabled on the target’s tool. The alert then demands the user to pay the ransom.

    Faulty declarations concerning unlawful material.

    In nations where software application piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Conversely, the MSIL/Filecoder.AIG popup alert might incorrectly assert to be originating from a law enforcement establishment and also will report having located child porn or other illegal data on the gadget.

    MSIL/Filecoder.AIG popup alert may incorrectly assert to be obtaining from a legislation enforcement establishment and will certainly report having located youngster porn or other unlawful information on the gadget. The alert will likewise include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: BEB80A80
md5: a4129155183406d80e17f2de563473d2
name: A4129155183406D80E17F2DE563473D2.mlw
sha1: 27ad7495004e569bbcccc0c1f4e32f8b9ac6ba01
sha256: f4bdaaecb432004448d05878ce616e261493f41310768b6333f143f00206dab3
sha512: 3eea9798d8705fcc00511918ffad24d496d305c41540b3b47f793bde23da115c03b2989624a4c233c5820740632ee1e88baedadbc2632a1c7f7bd076c971a135
ssdeep: 6144:xRJq8wFuWCyd0E3QMfhqK3cufN8rucN8iKVXRfrUmUmGJGvk3qU:Zw9WE3QqH3cMY/mp+m4OU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2020
Assembly Version:
InternalName: NoCry.exe
ProductName: NoCry
FileDescription: NoCry
OriginalFilename: NoCry.exe

MSIL/Filecoder.AIG also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Generic.Ransom.Hiddentear.A.3074A623
CAT-QuickHeal Trojan.YakbeexMSIL.ZZ4
ALYac Generic.Ransom.Hiddentear.A.3074A623
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Cybereason malicious.518340
ESET-NOD32 a variant of MSIL/Filecoder.AIG
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan-Ransom.Win32.Generic
BitDefender Generic.Ransom.Hiddentear.A.3074A623
Ad-Aware Generic.Ransom.Hiddentear.A.3074A623
Sophos Mal/Genasom-A
BitDefenderTheta Gen:NN.ZemsilF.34790.sq0@aeEHJgh
Emsisoft Generic.Ransom.Hiddentear.A.3074A623 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Dropper.Gen
eGambit Unsafe.AI_Score_93%
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Generic.Ransom.Hiddentear.A.3074A623
ZoneAlarm HEUR:Trojan-Ransom.Win32.Generic
GData Generic.Ransom.Hiddentear.A.3074A623
AhnLab-V3 Malware/Win32.RL_Ransom_ramsil.C4339200
MAX malware (ai score=89)
Malwarebytes Trojan.Crypt.MSIL
Rising Trojan.AntiVM/MSIL!1.D7C2 (CLASSIC)
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Filecoder.FB4A!tr.ransom
AVG Win32:MalwareX-gen [Trj]

How to remove MSIL/Filecoder.AIG 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 MSIL/Filecoder.AIG 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/Filecoder.AIG 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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