Win32/Filecoder.OOJ

Seeing the Win32/Filecoder.OOJ malware detection 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. Removing it requires some unusual steps that must be taken as soon as possible.

Win32/Filecoder.OOJ detection is a malware detection you can spectate in your computer. It frequently appears after the preliminary procedures on your PC – opening the suspicious email, clicking the banner in the Web or setting up the program from suspicious resources. From the moment it appears, you have a short time to take action until it begins its destructive activity. And be sure – it is much better not to wait for these malicious effects.

What is Win32/Filecoder.OOJ virus?

Win32/Filecoder.OOJ 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 files inaccessible, this malware also does a lot of harm to your system. It changes the networking settings in order to avoid you from reading the elimination articles or downloading the antivirus. In rare cases, Win32/Filecoder.OOJ can even stop the setup of anti-malware programs.

Win32/Filecoder.OOJ Summary

Summarizingly, Win32/Filecoder.OOJ malware actions in the infected system are next:

  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Harvests cookies for information gathering;
  • Ciphering the files kept on the target’s disk — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a headache for the last 4 years. It is hard to realize a more harmful virus for both individuals and businesses. The algorithms utilized in Win32/Filecoder.OOJ (generally, 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 already exists, and possibly will exist. But that virus does not do all these horrible things immediately – it may take up to a few hours to cipher all of your documents. Hence, seeing the Win32/Filecoder.OOJ detection is a clear signal that you must start the removal procedure.

Where did I get the Win32/Filecoder.OOJ?

Standard methods of Win32/Filecoder.OOJ distribution are common for all other ransomware examples. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a relatively new strategy in malware spreading – you receive the email that imitates some standard notifications about shippings or bank service conditions updates. Within the email, there is an infected 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 pretty uncomplicated, but still needs a lot of focus. Malware can hide in various spots, and it is much better to prevent it even before it gets into your PC than to trust in an anti-malware program. General cybersecurity awareness is just an essential item in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may save you a great deal of money and time which you would certainly spend while seeking a fix guide.

Win32/Filecoder.OOJ malware technical details

File Info:

name: AC649E8AFF6E5868A5A6.mlwpath: /opt/CAPEv2/storage/binaries/382d800483b2427b86d932e7ed9a7481035e5c53722a38af1f1461e0cb4617f3crc32: A5D4C41Bmd5: ac649e8aff6e5868a5a6f1e78e5c8a74sha1: 7ec0962523bf95ab044c389dabb0dd0bbf4346eesha256: 382d800483b2427b86d932e7ed9a7481035e5c53722a38af1f1461e0cb4617f3sha512: f9cb7edda10814d4900f3d78a44e5a53f7309498bf2f3206c402012fb087d23427a08074379f8f855502d20b5365ee932f07267befc49181975be00111906171ssdeep: 24576:nv0LJC1SquGBz8GOnrELkGriyQshm5BWSBjSP1x+DfQm29E/sCMdivF+9:nYJOJoMg6m5ISdSPyQmfsCMdIF+9type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11BA55C23B248653FC46F1A39566796649C3FBB21760B8C5F9BF4484CCE352402B3E66Bsha3_384: b7698b9a8adc1c3bc73600239577262460cfafbc362de6453f3bf787ca6ba5b3990479662b343473369b323104e7e911ep_bytes: 558bec83c4f0b860c95b00e8309ce4fftimestamp: 2018-01-31 01:59:57

Version Info:

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

Win32/Filecoder.OOJ also known as:

Lionic Trojan.Win32.Gen.4!c
McAfee Artemis!AC649E8AFF6E
Sangfor Trojan.Win32.Agent.V7rc
K7AntiVirus Trojan ( 005a88881 )
Alibaba Ransom:Win32/Filecoder.30b96f0c
K7GW Trojan ( 005a88881 )
CrowdStrike win/grayware_confidence_60% (W)
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.OOJ
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky Trojan-Ransom.Win32.Gen.hga
Avast FileRepMalware [Inf]
Tencent Malware.Win32.Gencirc.115517d7
F-Secure Trojan.TR/AD.Nekark.jghji
McAfee-GW-Edition BehavesLike.Win32.ObfuscatedPoly.vh
Trapmine malicious.moderate.ml.score
Sophos Mal/Generic-S
GData Win32.Trojan.Agent.Z5HCXV
Avira TR/AD.Nekark.jghji
Antiy-AVL Trojan[Ransom]/Win32.Gen
ZoneAlarm Trojan-Ransom.Win32.Gen.hga
Microsoft Program:Win32/Wacapew.C!ml
BitDefenderTheta AI:Packer.B91F400916
VBA32 Win32.Trojan.Cryptor.Heur
Cylance unsafe
Rising [email protected] (RDML:E0e4Ou7tFitiBTbGCXHkMQ)
Ikarus PUA.DealPly
MaxSecure Trojan.Malware.300983.susgen
Fortinet Malicious_Behavior.SB
AVG FileRepMalware [Inf]
DeepInstinct MALICIOUS

How to remove Win32/Filecoder.OOJ?

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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