MSIL/TrojanDownloader.Agent.KFR

Spectating the MSIL/TrojanDownloader.Agent.KFR detection name means that your PC is in big danger. This malware 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 done as soon as possible.

MSIL/TrojanDownloader.Agent.KFR detection is a malware detection you can spectate in your computer. It usually appears after the provoking procedures on your computer – opening the dubious email, clicking the banner in the Internet or installing the program from unreliable resources. From the instance it shows up, you have a short time to take action before it begins its harmful activity. And be sure – it is better not to wait for these malicious things.

What is MSIL/TrojanDownloader.Agent.KFR virus?

MSIL/TrojanDownloader.Agent.KFR Summary

In summary, MSIL/TrojanDownloader.Agent.KFR virus actions in the infected computer are next:

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

Ransomware has been a major problem for the last 4 years. It is hard to imagine a more dangerous virus for both individual users and organizations. The algorithms utilized in MSIL/TrojanDownloader.Agent.KFR (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. But that virus does not do all these terrible things immediately – it may take up to several hours to cipher all of your documents. Hence, seeing the MSIL/TrojanDownloader.Agent.KFR detection is a clear signal that you need to start the elimination process.

Where did I get the MSIL/TrojanDownloader.Agent.KFR?

Typical tactics of MSIL/TrojanDownloader.Agent.KFR distribution are basic for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait emails are a relatively new tactic in malware distribution – you receive the email that imitates some standard notifications about shippings or bank service conditions changes. Inside of the email, there is a malicious MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks quite uncomplicated, but still requires a lot of recognition. Malware can hide in various spots, and it is far better to stop it even before it invades your computer than to rely upon an anti-malware program. Basic cybersecurity knowledge is just an important thing in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may keep you a lot of money and time which you would spend while trying to find a solution.

MSIL/TrojanDownloader.Agent.KFR malware technical details

File Info:

name: 6A3E0B978754C844B1D3.mlwpath: /opt/CAPEv2/storage/binaries/0f1660ca73964f67c094e33bc752c10215646d884d75ceefc87a47a2ec27a1c9crc32: F55FAD98md5: 6a3e0b978754c844b1d324f5f20c7782sha1: 51d312d341cb8c9b382c4acb82c04e2e396fcecesha256: 0f1660ca73964f67c094e33bc752c10215646d884d75ceefc87a47a2ec27a1c9sha512: 7a06d15f7d47e69261a42f0fb4c5688108d87b6b10236fa52bc68c630de281938ca0be70591944eb019b3608d4ea6ce49fc07fd320138b97bb7d3c8fa37afdc5ssdeep: 768:bCT+3NB0Cf81vrcT/esv1VRpicklI9YQ+Q+JoKnqiUtP+cuIHJ:bCW0A8Rk/nvdYlIiQ+Qw/n14m8ptype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19283CEF88FF47CA4E52821337450A13C77EA4D0EDC535636E64BF12934679C6A0E6A8Bsha3_384: 22ac6d95e1d41adc12fe8570f512311b089e4f91e798958ffa703e157afb082499a8edc55d9df9a3c80f230d14ecb26cep_bytes: ff250020400000000000000000000000timestamp: 2022-01-29 07:58:22

Version Info:

Translation: 0x0000 0x04b0Comments: Windows Winhlp32 StubCompanyName: Microsoft CorporationFileDescription: Windows Winhlp32 StubFileVersion: 10.0.19041.1InternalName: Mdiceho.exeLegalCopyright: © Microsoft Corporation. All rights reserved.LegalTrademarks: OriginalFilename: Mdiceho.exeProductName: Microsoft® Windows® Operating SystemProductVersion: 10.0.19041.1Assembly Version: 10.0.19041.1

MSIL/TrojanDownloader.Agent.KFR also known as:

Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.Henry.1
FireEye Gen:Variant.Ransom.Henry.1
ALYac Gen:Variant.Ransom.Henry.1
K7AntiVirus Trojan-Downloader ( 0058dabb1 )
BitDefender Gen:Variant.Ransom.Henry.1
K7GW Trojan-Downloader ( 0058dabb1 )
Cybereason malicious.78754c
Symantec MSIL.Downloader!gen7
ESET-NOD32 a variant of MSIL/TrojanDownloader.Agent.KFR
APEX Malicious
Kaspersky HEUR:Trojan-Downloader.MSIL.PsDownload.gen
Ad-Aware Gen:Variant.Ransom.Henry.1
Sophos Mal/Generic-S
McAfee-GW-Edition Artemis!Trojan
Emsisoft Gen:Variant.Ransom.Henry.1 (B)
SentinelOne Static AI – Malicious PE
MAX malware (ai score=80)
GData Gen:Variant.Ransom.Henry.1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Tnega.C4885083
McAfee RDN/Generic Downloader.x
Ikarus Trojan-Downloader.MSIL.Agent
Fortinet MSIL/Agent.KFR!tr.dldr
BitDefenderTheta Gen:NN.ZemsilF.34182.fm0@aWAwE5
AVG Win32:Trojan-gen
Avast Win32:Trojan-gen
CrowdStrike win/malicious_confidence_90% (W)

How to remove MSIL/TrojanDownloader.Agent.KFR?

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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