MSIL/Filecoder.AQR

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
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.
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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.mlw
path: /opt/CAPEv2/storage/binaries/59f0c6171770d46aee4318630f4a7ec3b99c15c92c44076d5b5c6540de238dec
crc32: 1C48ED10
md5: 53b89b6d2465d7af096a169427224e39
sha1: a8aa411c094672d1109e7345f6e1863f9d2e9c1f
sha256: 59f0c6171770d46aee4318630f4a7ec3b99c15c92c44076d5b5c6540de238dec
sha512: d4dcc81f6aba174bf81444ddea7d68cbed704f405d380d63d0e78eec15098705944dd1bfcf51519d7dcd9e7fb300485b36aba7e9d1a2d23abb2b77b1c0ca97de
ssdeep: 384:OsymkFuqNiWvi9WDvWYLcjbi2ptYcFwVc03K:OsPvPWxD3cjbJtYcFwVc6K
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T18B92E8013BE44165F5BE5E7A18B28A214735FC9B5A26EB1E388C00DE1F736C599633F2
sha3_384: ca8591654f8b7ef90a60359b354dea08e35f35953f2fb286d26dc1ec3df9658064399f5be92e42a30079c3790d003f16
ep_bytes: ff2500204000980f10f90b01828c5c3b
timestamp: 2080-11-15 02:11:54

Version Info:

Translation: 0x0000 0x04b0
Comments:
CompanyName:
FileDescription: WindowsCleaner
FileVersion: 1.0.0.0
InternalName: WindowsCleaner.exe
LegalCopyright: Copyright © 2022
LegalTrademarks:
OriginalFilename: WindowsCleaner.exe
ProductName: WindowsCleaner
ProductVersion: 1.0.0.0
Assembly 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?

MSIL/Filecoder.AQR malware is very hard to remove manually. It puts its documents in a variety of places throughout the disk, and can recover itself from one of the elements. Moreover, numerous changes in the registry, networking setups and Group Policies are pretty hard to locate and return to the initial. It is better to make use of a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus removal purposes.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated almost every hour. In addition, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for removing malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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