Written by Robert Bailey
Seeing the Ransom:MSIL/FileCoder.AF!MTB detection means that your system is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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Ransom:MSIL/FileCoder.AF!MTB detection is a virus detection you can spectate in your computer. It generally appears after the preliminary procedures on your computer – opening the suspicious e-mail, clicking the banner in the Internet or mounting the program from unreliable resources. From the moment it appears, you have a short time to take action until it begins its harmful activity. And be sure – it is better not to await these harmful things.

What is Ransom:MSIL/FileCoder.AF!MTB virus?

Ransom:MSIL/FileCoder.AF!MTB is ransomware-type malware. It searches for the files on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this malware additionally does a lot of damage to your system. It modifies the networking settings in order to stop you from looking for the elimination guides or downloading the anti-malware program. In rare cases, Ransom:MSIL/FileCoder.AF!MTB can also block the launching of anti-malware programs.

Ransom:MSIL/FileCoder.AF!MTB Summary

In total, Ransom:MSIL/FileCoder.AF!MTB malware actions in the infected system are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Ciphering the files kept on the target’s disk drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is hard to picture a more damaging malware for both individual users and organizations. The algorithms used in Ransom:MSIL/FileCoder.AF!MTB (generally, 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 currently exists, and possibly will exist. However, that virus does not do all these horrible things immediately – it can require up to a few hours to cipher all of your documents. Thus, seeing the Ransom:MSIL/FileCoder.AF!MTB detection is a clear signal that you should begin the clearing procedure.

Where did I get the Ransom:MSIL/FileCoder.AF!MTB?

Typical ways of Ransom:MSIL/FileCoder.AF!MTB distribution are usual for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free software, so-called bait e-mails and hacktools. Bait emails are a relatively new method in malware distribution – you receive the e-mail that imitates some routine notifications about shippings or bank service conditions changes. Within the email, there is a corrupted 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.

Preventing it looks fairly simple, but still demands a lot of focus. Malware can hide in various places, and it is better to prevent it even before it goes into your system than to rely upon an anti-malware program. Standard cybersecurity awareness is just an important item in the modern world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of money and time which you would certainly spend while seeking a solution.

Ransom:MSIL/FileCoder.AF!MTB malware technical details

File Info:

name: 5B1DE907E275300FFD9A.mlw
path: /opt/CAPEv2/storage/binaries/69bb81a8ff5522fddfa253b908babcb1d7b745fd2bc70e5cb85f38ee7ce24a1d
crc32: 31EC89AC
md5: 5b1de907e275300ffd9a931cf42d0e36
sha1: 89298fb65ea248a672656aa2b9830c3c76005b61
sha256: 69bb81a8ff5522fddfa253b908babcb1d7b745fd2bc70e5cb85f38ee7ce24a1d
sha512: 44acece4676d89500601894d984e797d802d2fd10c58d78bb93c92902884b9740fadcee1be4472395448f2be81bbf98971fbeb82e515aa0b130240ec64c21c43
ssdeep: 192:nSKrOKcn6Mtp6SnYJ/07a0aGi4N/qjkGyyLi9y8stYcFwVc03KY:ntrOd6Mtp6Swqi4NSjXyy29yptYcFwVY
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1AC32D700A3E44531D9F726B62E76D245C735FBA75C269BAE388C911F2F7114287237B2
sha3_384: ad5370d1f8ee3ffac3f45d78df5e3742e5901ac2d6cf8ed3f09f847a261e86c8da623f57c0c7e905407dc9ff178be2db
ep_bytes: ff250020400000000000000000000000
timestamp: 2085-08-18 19:41:13

Version Info:

Translation: 0x0000 0x04b0
FileDescription: ConsoleApp1
InternalName: ConsoleApp1.exe
LegalCopyright: Copyright © 2021
OriginalFilename: ConsoleApp1.exe
ProductName: ConsoleApp1
Assembly Version:

Ransom:MSIL/FileCoder.AF!MTB also known as:

CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 0058ba3f1 )
K7AntiVirusTrojan ( 0058ba3f1 )
ESET-NOD32a variant of MSIL/Filecoder.ANC
AvastWin32:RansomX-gen [Ransom]
EmsisoftTrojan.GenericKD.47610830 (B)
CynetMalicious (score: 100)
MAXmalware (ai score=86)
SentinelOneStatic AI – Suspicious PE
AVGWin32:RansomX-gen [Ransom]

How to remove Ransom:MSIL/FileCoder.AF!MTB?

Ransom:MSIL/FileCoder.AF!MTB malware is very hard to erase manually. It stores its files in multiple places throughout the disk, and can recover itself from one of the parts. Furthermore, a range of changes in the registry, networking setups and Group Policies are quite hard to discover and return to the original. It is far better to make use of a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware elimination goals.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated almost every hour. Furthermore, it does not have such bugs and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any type.

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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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