What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the MSIL/Filecoder.ANB detection name usually means that your system is in big danger. This computer virus can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some unusual steps that must be done as soon as possible.
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MSIL/Filecoder.ANB detection is a virus detection you can spectate in your system. It usually shows up after the provoking activities on your PC – opening the untrustworthy email, clicking the banner in the Internet or mounting the program from unreliable sources. From the moment it shows up, you have a short time to act until it starts its harmful activity. And be sure – it is better not to wait for these harmful effects.

What is MSIL/Filecoder.ANB virus?

MSIL/Filecoder.ANB is ransomware-type malware. It looks for the files on your disks, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus also does a ton of harm to your system. It modifies the networking setups in order to stop you from reading the removal tutorials or downloading the antivirus. Sometimes, MSIL/Filecoder.ANB can even stop the setup of anti-malware programs.

MSIL/Filecoder.ANB Summary

In total, MSIL/Filecoder.ANB ransomware 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 files located on the victim’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a headache for the last 4 years. It is difficult to imagine a more dangerous malware for both individual users and businesses. The algorithms used in MSIL/Filecoder.ANB (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these bad things instantly – it may take up to a few hours to cipher all of your documents. Hence, seeing the MSIL/Filecoder.ANB detection is a clear signal that you should begin the clearing process.

Where did I get the MSIL/Filecoder.ANB?

Ordinary methods of MSIL/Filecoder.ANB spreading are standard for all other ransomware variants. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively modern tactic in malware distribution – you get the e-mail that simulates some routine notifications about shippings or bank service conditions modifications. Inside of the e-mail, there is a malicious MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite uncomplicated, however, still requires tons of focus. Malware can hide in different places, and it is far better to stop it even before it goes into your computer than to rely upon an anti-malware program. Simple cybersecurity awareness is just an essential thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can keep you a lot of money and time which you would certainly spend while seeking a solution.

MSIL/Filecoder.ANB malware technical details

File Info:

name: D14598BABBD8EDBBB57A.mlw
path: /opt/CAPEv2/storage/binaries/539a529d4830664d4144971fbbd240613b5dd1841f6c399651cfa805498e71c9
crc32: E915D601
md5: d14598babbd8edbbb57a872d4ec75c43
sha1: 6233debbd5dacd876923ead920642a00ab473d50
sha256: 539a529d4830664d4144971fbbd240613b5dd1841f6c399651cfa805498e71c9
sha512: 91d6ef6f6dd7c87641dec521bbd943c2912472e52d9c07680c405968501062642a724075e2af99a516ddf602b1351faeeaac4bf7de8607c144e116b0bae84c4d
ssdeep: 384:wYtS6SOrnftPRz+ICy6fde+6neFLAfj/2bYcphYT:wYt9HrfCdmiL2ObYcr2
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CB820808A7F44235E6BA4A716C7562089736FD6BDC03DA2E385D401E6F33789C712B72
sha3_384: 2e6687743d422c7eb7dc6b106dbaa799dc40dc3201a4abfce78d3b0cdeeab2cbd0625fac702e78883d8b79c62f47dd8c
ep_bytes: ff250020400001020304050607080000
timestamp: 2052-02-17 03:50:35

Version Info:

Translation: 0x0000 0x04b0
FileDescription: NorRansom_CryptLock_Encrypter
InternalName: NorRansom_CryptLock_Encrypter.exe
LegalCopyright: Copyright © 2021
OriginalFilename: NorRansom_CryptLock_Encrypter.exe
ProductName: NorRansom_CryptLock_Encrypter
Assembly Version:

MSIL/Filecoder.ANB also known as:

Elasticmalicious (high confidence)
McAfeeRDN/Generic PWS.y
CrowdStrikewin/malicious_confidence_100% (W)
K7GWRiskware ( 0040eff71 )
K7AntiVirusRiskware ( 0040eff71 )
ESET-NOD32a variant of MSIL/Filecoder.ANB
AvastWin32:PWSX-gen [Trj]
RisingTrojan.Generic/MSIL@AI.94 (RDM.MSIL:47pbVvD5OTzLo9qaoFbSoQ)
McAfee-GW-EditionRDN/Generic PWS.y
EmsisoftGen:Heur.Ransom.MSIL.!diop!.1 (B)
MAXmalware (ai score=81)
CynetMalicious (score: 99)
SentinelOneStatic AI – Malicious PE
AVGWin32:PWSX-gen [Trj]

How to remove MSIL/Filecoder.ANB?

MSIL/Filecoder.ANB malware is incredibly difficult to remove by hand. It stores its files in numerous places throughout the disk, and can restore itself from one of the parts. In addition, a lot of alterations in the windows registry, networking configurations and also Group Policies are quite hard to identify and revert to the initial. It is far better to use a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for malware removal purposes.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated just about every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for taking out 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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