MSIL/Filecoder.APF

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
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.
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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 is ransomware-type malware. It searches for the files on your disk, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus also does a ton of damage to your system. It alters the networking setups in order to stop you from reading the removal guidelines or downloading the anti-malware program. In some cases, MSIL/Filecoder.APF can even block the setup of anti-malware programs.

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.mlw
path: /opt/CAPEv2/storage/binaries/d360826249a0566fcd4379dab8525c8ca2b25a171e49d8142090ad4ad5cb4006
crc32: 71D1961A
md5: 6f3eeae8471ca178b947b4561faa240e
sha1: f290ec1eb1d61b5bb7af1316b46d031d78c17840
sha256: d360826249a0566fcd4379dab8525c8ca2b25a171e49d8142090ad4ad5cb4006
sha512: c93fb195d67411f15fae93be22bf4ce36e511ad22e7a8d4f3ec0969f87f2a9df01d61aa6cb61eb4b379a400e4b26f6e9c2ecb2a106780d6e00d34324c04a2e90
ssdeep: 384:LRD5avRiVXTOiCyJZBKp+770cGhEc87iTptYcFmVc03K:l5avcNThCsgi70c2Ec87OtYcFmVc6K
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1EAB2074037E44565E6FE8EBA58324A958331ED9B5923FA9D3CCC50DE1F336C48A127E2
sha3_384: d153292394cfde12e30c50789f274f13a83861d703c9458aebc09713d2abcd35d628dbc12605963ff2ff67ca8ae5ec03
ep_bytes: ff2500204000980f10f90b01828c5c3b
timestamp: 2075-04-21 15:18:29

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.APF also known as:

BkavW32.AIDetectNet.01
CynetMalicious (score: 100)
Elasticmalicious (high confidence)
ESET-NOD32a variant of MSIL/Filecoder.APF
APEXMalicious
RisingTrojan.AntiVM!1.CF63 (CLASSIC)
BitDefenderThetaGen:NN.ZemsilF.34638.bm0@aS3pvNk
FireEyeGeneric.mg.6f3eeae8471ca178
SentinelOneStatic AI – Malicious PE
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CylanceUnsafe
MaxSecureTrojan.Malware.300983.susgen
AVGMSIL:Ransom-BF [Trj]
AvastMSIL:Ransom-BF [Trj]

How to remove MSIL/Filecoder.APF?

MSIL/Filecoder.APF malware is extremely hard to erase manually. It stores its data in multiple locations throughout the disk, and can get back itself from one of the elements. Furthermore, a range of modifications in the registry, networking settings and also Group Policies are fairly hard to find and revert to the original. It is better to make use of a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated nearly every hour. Furthermore, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for removing 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

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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