MSIL/Filecoder.AQR

Seeing the MSIL/Filecoder.AQR malware detection usually means that your computer is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.

MSIL/Filecoder.AQR detection is a malware detection you can spectate in your computer. It usually shows up after the provoking actions on your PC – opening the untrustworthy e-mail messages, clicking the advertisement in the Web or mounting the program from unreliable sources. From the instance it appears, you have a short time to do something about it before it begins its harmful action. And be sure – it is better not to wait for these destructive things.

What is MSIL/Filecoder.AQR virus?

MSIL/Filecoder.AQR is ransomware-type malware. It searches for the files on your disk drives, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus also does a lot of damage to your system. It changes the networking setups in order to prevent you from reading the removal tutorials or downloading the antivirus. In some cases, MSIL/Filecoder.AQR can even prevent the setup of anti-malware programs.

MSIL/Filecoder.AQR Summary

Summarizingly, MSIL/Filecoder.AQR virus actions in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Encrypting the documents kept on the target’s drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is hard to realize a more hazardous virus for both individuals and organizations. The algorithms utilized in MSIL/Filecoder.AQR (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these bad things immediately – it may require up to a few hours to cipher all of your files. Thus, seeing the MSIL/Filecoder.AQR detection is a clear signal that you must begin the elimination procedure.

Where did I get the MSIL/Filecoder.AQR?

General tactics of MSIL/Filecoder.AQR spreading are standard for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a quite modern strategy in malware spreading – you receive the email that mimics some standard notifications about shipments or bank service conditions updates. Inside of the email, there is a malicious MS Office file, or a web link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Avoiding it looks pretty uncomplicated, but still needs a lot of attention. Malware can hide in different places, and it is far better to prevent it even before it goes into your system than to trust in an anti-malware program. Simple cybersecurity awareness is just an essential item in the modern world, even if your interaction with a PC stays on YouTube videos. That can keep you a lot of money and time which you would certainly spend while searching for a fix guide.

MSIL/Filecoder.AQR malware technical details

File Info:

name: 53B89B6D2465D7AF096A.mlwpath: /opt/CAPEv2/storage/binaries/59f0c6171770d46aee4318630f4a7ec3b99c15c92c44076d5b5c6540de238deccrc32: 1C48ED10md5: 53b89b6d2465d7af096a169427224e39sha1: a8aa411c094672d1109e7345f6e1863f9d2e9c1fsha256: 59f0c6171770d46aee4318630f4a7ec3b99c15c92c44076d5b5c6540de238decsha512: d4dcc81f6aba174bf81444ddea7d68cbed704f405d380d63d0e78eec15098705944dd1bfcf51519d7dcd9e7fb300485b36aba7e9d1a2d23abb2b77b1c0ca97dessdeep: 384:OsymkFuqNiWvi9WDvWYLcjbi2ptYcFwVc03K:OsPvPWxD3cjbJtYcFwVc6Ktype: PE32 executable (console) Intel 80386, for MS Windowstlsh: T18B92E8013BE44165F5BE5E7A18B28A214735FC9B5A26EB1E388C00DE1F736C599633F2sha3_384: ca8591654f8b7ef90a60359b354dea08e35f35953f2fb286d26dc1ec3df9658064399f5be92e42a30079c3790d003f16ep_bytes: ff2500204000980f10f90b01828c5c3btimestamp: 2080-11-15 02:11:54

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: FileDescription: WindowsCleanerFileVersion: 1.0.0.0InternalName: WindowsCleaner.exeLegalCopyright: Copyright © 2022LegalTrademarks: OriginalFilename: WindowsCleaner.exeProductName: WindowsCleanerProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

MSIL/Filecoder.AQR also known as:

Bkav W32.AIDetectNet.01
MicroWorld-eScan IL:Trojan.MSILZilla.19010
FireEye IL:Trojan.MSILZilla.19010
Sangfor Suspicious.Win32.Attribute.HighConfidence
Alibaba Trojan:MSIL/Filecoder.a4d5582b
Cyren W32/Trojan.HQC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Filecoder.AQR
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
BitDefender IL:Trojan.MSILZilla.19010
Ad-Aware IL:Trojan.MSILZilla.19010
Emsisoft IL:Trojan.MSILZilla.19010 (B)
GData IL:Trojan.MSILZilla.19010
Avira HEUR/AGEN.1247502
Arcabit IL:Trojan.MSILZilla.D4A42
Cynet Malicious (score: 100)
ALYac IL:Trojan.MSILZilla.19010
MAX malware (ai score=82)
Malwarebytes Ransom.FileCryptor.MSIL
TrendMicro-HouseCall TROJ_GEN.R002H0CE722
SentinelOne Static AI – Suspicious PE
Fortinet MSIL/Filecoder.APF!tr.ransom
AVG Win32:TrojanX-gen [Trj]
CrowdStrike win/malicious_confidence_60% (W)

How to remove MSIL/Filecoder.AQR?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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