Written by Robert Bailey

What is MSIL/Filecoder.AAG infection?

In this short article you will locate about the meaning of MSIL/Filecoder.AAG as well as its adverse influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to demand paying the ransom money by a target.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the instances, MSIL/Filecoder.AAG virus will instruct its victims to start funds move for the function of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

MSIL/Filecoder.AAG Summary

These modifications can be as complies with:

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the papers situated on the target’s hard drive — so the target can no longer make use of the data;
  • Preventing normal accessibility 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.


One of the most normal networks through which MSIL/Filecoder.AAG Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that holds a harmful software;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s PC or protect against the device from operating in a correct fashion – while likewise positioning a ransom money note that mentions the need for the victims to impact the payment for the purpose of decrypting the records or recovering the documents system back to the first condition. In the majority of instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has currently been damaged.

MSIL/Filecoder.AAG circulation networks.

In different corners of the globe, MSIL/Filecoder.AAG expands by jumps and bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money quantity may vary depending upon specific neighborhood (regional) setups. The ransom notes as well as methods of obtaining the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having detected some unlicensed applications allowed on the victim’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty statements concerning illegal web content.

    In countries where software application piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the MSIL/Filecoder.AAG popup alert may incorrectly assert to be stemming from a law enforcement organization and will report having situated youngster pornography or other prohibited data on the gadget.

    MSIL/Filecoder.AAG popup alert might falsely assert to be obtaining from a legislation enforcement establishment and will report having located kid porn or various other unlawful data on the device. The alert will in a similar way have a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 77BA9D44
md5: b42fe3f0ac61c31cb975a37a32951699
name: B42FE3F0AC61C31CB975A37A32951699.mlw
sha1: 90957833c3efabd2b52a7ee006744f1848871091
sha256: a6d564da8d207c5772897299de7818327dac343eaa3d6ec293c49ccc1aa466b7
sha512: ba6ebb63649750d34ddc98fbe8b7ca825758c8c1ce1d9398a00dc1641d560514c876f2ed877dde7756585ac7f06e4fe7831bbbbc05549157bd155d694a5aedf0
ssdeep: 12288:rXvOfEJ1Nr8c5mfJ+4jjjHBogycuCVKELroozUeLf:rIEmp
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: PayPalMoneyAdder.exe
OriginalFilename: PayPalMoneyAdder.exe

MSIL/Filecoder.AAG also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Trojan.Heur.DNP.Km0@aOm6yZo
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
BitDefender Gen:Trojan.Heur.DNP.Km0@aOm6yZo
Cybereason malicious.0ac61c
Cyren W32/Azorult.D.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/Filecoder.AAG
APEX Malicious
Kaspersky HEUR:Trojan-Ransom.MSIL.Gen.gen
MicroWorld-eScan Gen:Trojan.Heur.DNP.Km0@aOm6yZo
Ad-Aware Gen:Trojan.Heur.DNP.Km0@aOm6yZo
Sophos ML/PE-A
BitDefenderTheta AI:Packer.2993186C1F
Emsisoft Gen:Trojan.Heur.DNP.Km0@aOm6yZo (B)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Fuerboos.B!cl
Arcabit Trojan.Heur.DNP.E6E495
GData Gen:Trojan.Heur.DNP.Km0@aOm6yZo
MAX malware (ai score=82)
MaxSecure Trojan.Malware.300983.susgen

How to remove MSIL/Filecoder.AAG 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/Filecoder.AAG 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.AAG 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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