MSIL/Filecoder.APF

Spectating the MSIL/Filecoder.APF detection name usually means that your computer is in big danger. This computer 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 peculiar steps that must be done as soon as possible.

MSIL/Filecoder.APF detection is a malware detection you can spectate in your system. It frequently appears after the preliminary activities on your PC – opening the untrustworthy email messages, clicking the banner in the Web or setting up the program from dubious sources. From the second it appears, you have a short time to do something about it before it begins its destructive activity. And be sure – it is better not to wait for these harmful actions.

What is MSIL/Filecoder.APF virus?

MSIL/Filecoder.APF Summary

In summary, MSIL/Filecoder.APF 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 files kept on the target’s disks — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has been a headache for the last 4 years. It is challenging to imagine a more dangerous virus for both individual users and businesses. The algorithms used in MSIL/Filecoder.APF (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 currently exists, and possibly will exist. But that virus does not do all these terrible things immediately – it can take up to a few hours to cipher all of your documents. Thus, seeing the MSIL/Filecoder.APF detection is a clear signal that you have to start the removal process.

Where did I get the MSIL/Filecoder.APF?

Routine ways of MSIL/Filecoder.APF injection are basic for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty new method in malware spreading – you receive the email that simulates some regular notifications about shipments or bank service conditions updates. Inside of the e-mail, there is an infected MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks quite easy, but still demands tons of awareness. Malware can hide in various places, and it is far better to prevent it even before it gets into your PC than to depend on an anti-malware program. Basic cybersecurity knowledge is just an important item in the modern-day 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 looking for a fixing guide.

MSIL/Filecoder.APF malware technical details

File Info:

name: 6F3EEAE8471CA178B947.mlwpath: /opt/CAPEv2/storage/binaries/d360826249a0566fcd4379dab8525c8ca2b25a171e49d8142090ad4ad5cb4006crc32: 71D1961Amd5: 6f3eeae8471ca178b947b4561faa240esha1: f290ec1eb1d61b5bb7af1316b46d031d78c17840sha256: d360826249a0566fcd4379dab8525c8ca2b25a171e49d8142090ad4ad5cb4006sha512: c93fb195d67411f15fae93be22bf4ce36e511ad22e7a8d4f3ec0969f87f2a9df01d61aa6cb61eb4b379a400e4b26f6e9c2ecb2a106780d6e00d34324c04a2e90ssdeep: 384:LRD5avRiVXTOiCyJZBKp+770cGhEc87iTptYcFmVc03K:l5avcNThCsgi70c2Ec87OtYcFmVc6Ktype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EAB2074037E44565E6FE8EBA58324A958331ED9B5923FA9D3CCC50DE1F336C48A127E2sha3_384: d153292394cfde12e30c50789f274f13a83861d703c9458aebc09713d2abcd35d628dbc12605963ff2ff67ca8ae5ec03ep_bytes: ff2500204000980f10f90b01828c5c3btimestamp: 2075-04-21 15:18:29

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.APF also known as:

Bkav W32.AIDetectNet.01
Cynet Malicious (score: 100)
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Filecoder.APF
APEX Malicious
Rising Trojan.AntiVM!1.CF63 (CLASSIC)
BitDefenderTheta Gen:NN.ZemsilF.34638.bm0@aS3pvNk
FireEye Generic.mg.6f3eeae8471ca178
SentinelOne Static AI – Malicious PE
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cylance Unsafe
MaxSecure Trojan.Malware.300983.susgen
AVG MSIL:Ransom-BF [Trj]
Avast MSIL:Ransom-BF [Trj]

How to remove MSIL/Filecoder.APF?

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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