Trojan:Win32/Encoder.B

Spectating the Trojan:Win32/Encoder.B detection means that your PC is in big danger. This virus can correctly be named as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be taken as soon as possible.

Trojan:Win32/Encoder.B detection is a malware detection you can spectate in your system. It often appears after the preliminary activities on your computer – opening the suspicious e-mail messages, clicking the banner in the Web or installing the program from untrustworthy sources. From the moment it appears, you have a short time to act until it starts its destructive action. And be sure – it is much better not to await these harmful things.

What is Trojan:Win32/Encoder.B virus?

Trojan:Win32/Encoder.B is ransomware-type malware. It looks for the files on your disk, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus also does a lot of harm to your system. It alters the networking settings in order to avoid you from looking for the removal manuals or downloading the antivirus. In some cases, Trojan:Win32/Encoder.B can additionally block the setup of anti-malware programs.

Trojan:Win32/Encoder.B Summary

Summarizingly, Trojan:Win32/Encoder.B virus activities in the infected computer are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Installs itself for autorun at Windows startup;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Creates a copy of itself;
  • Harvests cookies for information gathering;
  • Encrypting the documents kept on the target’s disks — 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 horror story for the last 4 years. It is challenging to realize a more damaging virus for both individual users and organizations. The algorithms utilized in Trojan:Win32/Encoder.B (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 currently exists, and possibly will exist. However, that malware does not do all these terrible things instantly – it can require up to a few hours to cipher all of your documents. Hence, seeing the Trojan:Win32/Encoder.B detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Trojan:Win32/Encoder.B?

Routine tactics of Trojan:Win32/Encoder.B distribution are common for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite new method in malware spreading – you receive the e-mail that imitates some normal notifications about shippings or bank service conditions changes. Within the email, there is a corrupted MS Office file, or a web 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 pretty easy, but still demands tons of focus. Malware can hide in different places, and it is much better to prevent it even before it goes into your computer than to rely on an anti-malware program. General cybersecurity knowledge is just an important item in the modern world, even if your interaction with a computer stays on YouTube videos. That may save you a great deal of time and money which you would certainly spend while seeking a solution.

Trojan:Win32/Encoder.B malware technical details

File Info:

name: 1777AB55EF1F335B58FE.mlwpath: /opt/CAPEv2/storage/binaries/006b3a5c8b206f0e6f9e58c1343563ebc45db6804608a5dbbbfbb5223cd3dde3crc32: 3DBE7238md5: 1777ab55ef1f335b58fe2d8e8e1fd476sha1: 4948ab5c37701539b1b4a4a6214ed3c865adab29sha256: 006b3a5c8b206f0e6f9e58c1343563ebc45db6804608a5dbbbfbb5223cd3dde3sha512: 72113b6196aaf2cae421a6303a93047c74e9ce1581f734339756973f5bfdf3170ac8fcd57688ab2bfeaacb50d9f129ea155645fabff75dd305d2ec26fe5b5b7essdeep: 12288:6pvb1E5BOt0cfWmqsqmVqereeoXX1HYQEBLBld77:6daCtzfW/sXV4eoViRxtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DDE44B61B3E1C43AD5B2163D8C6BD2F86935BF212D14E9473AE43F0D7E39A823815297sha3_384: 99537d9d466d9c19e645d22b0a4a5515eeb3eddf54389ee04c9a9c319abfcc47f639c12e89d6f2800602ceb2e8cf81dfep_bytes: 558bec83c4f0b8c8de4600e8ec7ef9fftimestamp: 1992-06-19 22:22:17

Version Info:

FileVersion: 1.0.0.0ProductVersion: 1.0.0.0Translation: 0x0409 0x04e4

Trojan:Win32/Encoder.B also known as:

Lionic Trojan.Win32.Generic.4!c
MicroWorld-eScan Trojan.Ransom.GenericKD.48967542
FireEye Trojan.Ransom.GenericKD.48967542
ALYac Trojan.Ransom.GenericKD.48967542
Cylance Unsafe
VIPRE Trojan.Ransom.GenericKD.48967542
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0055e3ef1 )
Alibaba Trojan:Win32/Encoder.b7e74e7f
K7GW Trojan ( 0055e3ef1 )
VirIT Trojan.Win32.FileCryptor.R
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.W
APEX Malicious
Paloalto generic.ml
Kaspersky UDS:Trojan.Win32.Generic
BitDefender Trojan.Ransom.GenericKD.48967542
NANO-Antivirus Trojan.Win32.Encoder.dbibgt
Tencent Win32.Trojan.Generic.Dygt
Ad-Aware Trojan.Ransom.GenericKD.48967542
Sophos Troj/Ransom-ACU
Comodo Malware@#1zllwi4jzoq18
DrWeb Trojan.Encoder.102
Zillya Trojan.Filecoder.Win32.205
TrendMicro TROJ_GEN.R002C0DE222
McAfee-GW-Edition GenericR-APD!1777AB55EF1F
Trapmine malicious.moderate.ml.score
Emsisoft Trojan.Ransom.GenericKD.48967542 (B)
Ikarus Trojan-Dropper.Win32.Dapato
Jiangmin Trojan/Generic.bbmem
Avira TR/Encoder.B.45
Antiy-AVL Trojan/Generic.ASMalwS.3303
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Encoder.B
GData Trojan.Ransom.GenericKD.48967542
Cynet Malicious (score: 99)
McAfee GenericR-APD!1777AB55EF1F
MAX malware (ai score=81)
VBA32 BScope.Trojan.Packed
Malwarebytes Malware.AI.4225038581
Panda Generic Malware
TrendMicro-HouseCall TROJ_GEN.R002C0DE222
Rising [email protected] (RDML:LPGjKo3wXHUzPcGUQY/Fww)
Yandex Trojan.Filecoder!p0qKMQpov2I
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Ransom.ACU!tr
BitDefenderTheta Gen:NN.ZelphiF.34582.PG0@aqnrxWpi
AVG Win32:Delf-PAH [Trj]
Avast Win32:Delf-PAH [Trj]

How to remove Trojan:Win32/Encoder.B?

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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