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The Daily Insight

MSIL/Filecoder.CB

Author

Matthew Alvarez

Updated on April 23, 2026

What is MSIL/Filecoder.CB infection?

In this post you will certainly find concerning the definition of MSIL/Filecoder.CB as well as its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on-line frauds to demand paying the ransom money by a target.

In the majority of the situations, MSIL/Filecoder.CB ransomware will advise its sufferers to start funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the sufferer’s device.

MSIL/Filecoder.CB Summary

These modifications can be as adheres to:

  • 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.;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Ciphering the documents found on the victim’s hard disk drive — so the sufferer can no more make use of the information;
  • Preventing routine access 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.
Ransom:MSIL/Cyclone.2e6db3f2
exithub1.suRansom:MSIL/Cyclone.2e6db3f2
exithub2.suRansom:MSIL/Cyclone.2e6db3f2
exithub-pql.suRansom:MSIL/Cyclone.2e6db3f2
exithub-xuq.suRansom:MSIL/Cyclone.2e6db3f2

MSIL/Filecoder.CB

One of the most regular networks whereby MSIL/Filecoder.CB Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual ending up on a source that holds a destructive software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or stop the device from working in a proper fashion – while also placing a ransom money note that states the need for the victims to impact the repayment for the objective of decrypting the records or recovering the documents system back to the initial condition. In the majority of circumstances, the ransom note will certainly turn up when the client reboots the COMPUTER after the system has actually currently been damaged.

MSIL/Filecoder.CB distribution channels.

In various edges of the globe, MSIL/Filecoder.CB expands by leaps and also bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity might vary relying on particular neighborhood (regional) settings. The ransom notes and techniques of extorting the ransom quantity may vary depending on particular regional (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In certain areas, the Trojans frequently wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s device. The sharp then requires the user to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software application piracy is less preferred, this method is not as reliable for the cyber scams. Additionally, the MSIL/Filecoder.CB popup alert may falsely assert to be stemming from a law enforcement institution as well as will report having located youngster porn or various other unlawful data on the gadget.

    MSIL/Filecoder.CB popup alert might incorrectly assert to be obtaining from a legislation enforcement organization and will report having located youngster pornography or various other prohibited data on the gadget. The alert will similarly contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 92128CB4md5: 8a947c41de52a6beab66bcbbbf47a23aname: 8A947C41DE52A6BEAB66BCBBBF47A23A.mlwsha1: 3393d52da54a22acbb92b9ab187d8a56f473787bsha256: 642c9da844d3488c7d3fd99170626ac01b1fbc1616884ac9566468e88d3b4bd5sha512: 54dc89da0bbe636d438c308736e7b523b56ab5b8fafab3660606d1190261c63a10164adb25b9a9de82da39167d7e1d6a49d711107f844bf3bc9b3fb964800fc3ssdeep: 3072:9tFGwIkUUUmK6PuCf8iUEObRQRJi1X0hyy/:9LG2xm7iUEOdQRJi1X0hytype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Copyright xa9 2016Assembly Version: 1.0.0.0InternalName: WildFire V1.exeFileVersion: 1.0.0.0CompanyName: LegalTrademarks: Comments: ProductName: WildFire V1ProductVersion: 1.0.0.0FileDescription: WildFire V1OriginalFilename: WildFire V1.exe

MSIL/Filecoder.CB also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.5025
CynetMalicious (score: 99)
ALYacGen:Variant.MSILPerseus.42884
CylanceUnsafe
ZillyaTrojan.Cyclone.Win32.1
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
AlibabaRansom:MSIL/Cyclone.2e6db3f2
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.1de52a
SymantecRansom.Zyklon
ESET-NOD32a variant of MSIL/Filecoder.CB
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.MSIL.Cyclone.t
BitDefenderGen:Variant.MSILPerseus.42884
NANO-AntivirusTrojan.Win32.Encoder.efjgdf
MicroWorld-eScanGen:Variant.MSILPerseus.42884
TencentMsil.Trojan.Cyclone.Ecue
Ad-AwareGen:Variant.MSILPerseus.42884
SophosMal/Generic-S
ComodoMalware@#1dfh4xr79jhri
BitDefenderThetaGen:NN.ZemsilF.34690.gm0@amT60vh
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.cm
FireEyeGeneric.mg.8a947c41de52a6be
EmsisoftGen:Variant.MSILPerseus.42884 (B)
WebrootW32.Trojan.Dynamer
AviraTR/Dropper.MSIL.Gen
eGambitUnsafe.AI_Score_99%
MicrosoftBackdoor:Win32/Bladabindi!ml
ArcabitTrojan.MSILPerseus.DA784
AegisLabTrojan.MSIL.Cyclone.j!c
GDataGen:Variant.MSILPerseus.42884
AhnLab-V3Trojan/Win32.Cyclone.C2396633
McAfeeGeneric.adj
MAXmalware (ai score=100)
PandaTrj/GdSda.A
RisingRansom.Cyclone!8.87F6 (CLOUD)
YandexTrojan.Encoder!YctIYBc8BHo
SentinelOneStatic AI – Malicious PE
FortinetW32/Cyclone.T!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove MSIL/Filecoder.CB virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.CB 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.CB you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: