Trojan-Ransom.Win32.Encoder.ook

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan-Ransom.Win32.Encoder.ook detection name means that your computer is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
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Trojan-Ransom.Win32.Encoder.ook detection is a virus detection you can spectate in your system. It generally appears after the provoking procedures on your computer – opening the untrustworthy email messages, clicking the advertisement in the Internet or mounting the program from suspicious sources. From the moment it shows up, you have a short time to take action before it begins its destructive activity. And be sure – it is far better not to await these harmful things.

What is Trojan-Ransom.Win32.Encoder.ook virus?

Trojan-Ransom.Win32.Encoder.ook 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 documents locked, this malware additionally does a lot of harm to your system. It changes the networking settings in order to prevent you from checking out the elimination tutorials or downloading the antivirus. In rare cases, Trojan-Ransom.Win32.Encoder.ook can even prevent the launching of anti-malware programs.

Trojan-Ransom.Win32.Encoder.ook Summary

In total, Trojan-Ransom.Win32.Encoder.ook ransomware actions in the infected system are next:

  • At least one process apparently crashed during execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Manipulates data from or to the Recycle Bin;
  • The binary contains an unknown PE section name indicative of packing;
  • Creates an autorun.inf file;
  • Authenticode signature is invalid;
  • CAPE detected the Babuk malware family;
  • Ciphering the files kept on the target’s drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a headache for the last 4 years. It is difficult to imagine a more damaging malware for both individuals and corporations. The algorithms utilized in Trojan-Ransom.Win32.Encoder.ook (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these terrible things without delay – it can take up to a few hours to cipher all of your files. Hence, seeing the Trojan-Ransom.Win32.Encoder.ook detection is a clear signal that you should begin the clearing process.

Where did I get the Trojan-Ransom.Win32.Encoder.ook?

General tactics of Trojan-Ransom.Win32.Encoder.ook distribution are common for all other ransomware examples. Those are one-day landing websites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a quite modern strategy in malware spreading – you receive the email that simulates some regular notifications about deliveries or bank service conditions updates. Inside of the email, there is a malicious MS Office file, or a 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 quite uncomplicated, but still needs a lot of recognition. Malware can hide in different spots, and it is much better to prevent it even before it gets into your computer than to rely on an anti-malware program. Basic cybersecurity knowledge is just an important item in the modern world, even if your interaction with a PC stays on YouTube videos. That may save you a great deal of time and money which you would certainly spend while trying to find a solution.

Trojan-Ransom.Win32.Encoder.ook malware technical details

File Info:

name: 30C276D2B1C9756FA532.mlw
path: /opt/CAPEv2/storage/binaries/2c4a546e182447ac461a58d819158f3e95f945a64355c4168fcbd3ae074fc961
crc32: 8D81F8A1
md5: 30c276d2b1c9756fa532530b69686633
sha1: e7b9935ae190a4f2d88adc5df7011c9dee10e21e
sha256: 2c4a546e182447ac461a58d819158f3e95f945a64355c4168fcbd3ae074fc961
sha512: 8fd401e744387aeca038dfefefa75c5e0c38dc522db8dda8ce605fd6ff1e7934f501e8498beb0590992f434ff5c31d82d0b32bf2a351923e025d43825921279a
ssdeep: 6144:bTSScdnTVxJfrw7rWDxf0HqH0bJRbX1l0tRN/rXuWPjd:vQxJjw7rWDxf0HqH09R4TuWPR
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B5C44C607985C261DDE320B406ECF171813D68B0177199DBA6841BFAEB342D4AB3BF5B
sha3_384: 934a49ecb637514281bf21c601d323830676c651b8864f4436229836a6defeea28e1894ee29b9dc2c200798a1ef375cd
ep_bytes: e964c80200e908e80600e993750500e9
timestamp: 2021-12-08 00:43:34

Version Info:

0: [No Data]

Trojan-Ransom.Win32.Encoder.ook also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.4!c
MicroWorld-eScan Trojan.GenericKD.38218924
FireEye Generic.mg.30c276d2b1c9756f
ALYac Trojan.GenericKD.38218924
Cylance Unsafe
Zillya Trojan.Encoder.Win32.2898
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000027
K7GW Trojan ( 005782fe1 )
K7AntiVirus Trojan ( 005782fe1 )
Arcabit Trojan.Generic.D2472CAC
Cyren W32/Babyk.D.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Babyk.A
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Encoder.ook
BitDefender Trojan.GenericKD.38218924
Avast Win32:MalwareX-gen [Trj]
Tencent Malware.Win32.Gencirc.11dbfa03
Ad-Aware Trojan.GenericKD.38218924
Emsisoft Trojan.GenericKD.38218924 (B)
DrWeb Trojan.MulDrop19.13119
McAfee-GW-Edition BehavesLike.Win32.Generic.hm
Sophos Mal/Generic-S
Ikarus Trojan-Ransom.Babyk
Jiangmin Trojan.Encoder.anw
Avira TR/Encoder.lyfhf
Microsoft Trojan:Win32/Sabsik.FL.B!ml
ViRobot Trojan.Win32.Z.Agent.543232.AU
GData Trojan.GenericKD.38218924
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4823973
McAfee Artemis!30C276D2B1C9
MAX malware (ai score=86)
VBA32 BScope.TrojanRansom.Crypmod
Malwarebytes Ransom.FileCryptor
TrendMicro-HouseCall TROJ_GEN.R002H0DL721
Rising [email protected] (RDML:XCqBEcnDQw0qQOvHGOwoBg)
Yandex Trojan.Encoder!bV/WOuQmkgQ
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder_Babyk.A!tr.ransom
AVG Win32:MalwareX-gen [Trj]
Panda Trj/GdSda.A

How to remove Trojan-Ransom.Win32.Encoder.ook?

Trojan-Ransom.Win32.Encoder.ook malware is very difficult to erase by hand. It stores its documents in multiple places throughout the disk, and can recover itself from one of the parts. Furthermore, numerous changes in the windows registry, networking settings and also Group Policies are quite hard to discover and return to the initial. It is much better to use a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated nearly every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any form.

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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