Win32/Filecoder.OJV

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/Filecoder.OJV detection name usually means that your PC is in big danger. This malware can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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Win32/Filecoder.OJV detection is a malware detection you can spectate in your system. It frequently shows up after the preliminary procedures on your computer – opening the suspicious email, clicking the banner in the Internet or setting up the program from dubious resources. From the second it shows up, you have a short time to take action until it begins its destructive action. And be sure – it is far better not to await these harmful effects.

What is Win32/Filecoder.OJV virus?

Win32/Filecoder.OJV is ransomware-type malware. It looks for the documents on your disk drive, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware also does a lot of damage to your system. It changes the networking setups in order to avoid you from looking for the elimination guidelines or downloading the antivirus. In some cases, Win32/Filecoder.OJV can even block the launching of anti-malware programs.

Win32/Filecoder.OJV Summary

In summary, Win32/Filecoder.OJV ransomware actions in the infected computer are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the files kept on the victim’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is challenging to realize a more harmful virus for both individuals and businesses. The algorithms used in Win32/Filecoder.OJV (typically, 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 currently exists, and possibly will exist. But that malware does not do all these unpleasant things immediately – it may take up to several hours to cipher all of your files. Hence, seeing the Win32/Filecoder.OJV detection is a clear signal that you need to begin the elimination process.

Where did I get the Win32/Filecoder.OJV?

Standard methods of Win32/Filecoder.OJV spreading are basic for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a relatively modern tactic in malware distribution – you get the e-mail that simulates 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 page.

Malicious email spam

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

Preventing it looks fairly uncomplicated, however, still needs tons of focus. Malware can hide in various places, and it is far better to prevent it even before it gets into your system than to rely on an anti-malware program. Essential 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 lot of time and money which you would spend while looking for a fix guide.

Win32/Filecoder.OJV malware technical details

File Info:

name: F18B990CFDED5A6FC4EF.mlw
path: /opt/CAPEv2/storage/binaries/a237f2903319fe27e2beb4f166305d1e8d5f20a83e42e52e13ab1af338820353
crc32: CC779EC3
md5: f18b990cfded5a6fc4efa6d5beff8d9d
sha1: 7dd9f2dd7f52aaa2adf20345ed5919d609e5d147
sha256: a237f2903319fe27e2beb4f166305d1e8d5f20a83e42e52e13ab1af338820353
sha512: 7010d46a4ac28485ce0dada856aff305411817a77a0656f7b7746c00fd046e6a6548887094425989f0cbc34bc89550ee66364f1c0f2700ee96f96db6ac12309e
ssdeep: 1536:xOqSQpVHmnAwKm07w5CZX98ksRcyq5e3YNjmZvyd3YfB1+1EnxG44NaoGwfrPASy:aSHeAUmlikUTbSYB124HwfrLFE3
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AFB3D053FBE0C871D5264A380D207E34E73BFCA0AE611557AB6CD9CE0D28E825A597D3
sha3_384: 3e91257fdda64f238fe9d4f0822a30764b2a50d4abaf0ed845aa92555c9f6801c042bd8c5421ade395067e2f4fbf1bd4
ep_bytes: 558bec83c4f0b838a24000e8cca2ffff
timestamp: 1992-06-19 22:22:17

Version Info:

0: [No Data]

Win32/Filecoder.OJV also known as:

Lionic Trojan.Win32.Delf.lEHx
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.38788464
FireEye Generic.mg.f18b990cfded5a6f
ALYac Trojan.GenericKD.38788464
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.22191
Sangfor Trojan.Win32.Sabsik.FL
K7AntiVirus Trojan ( 0058d6bb1 )
K7GW Trojan ( 0058d6bb1 )
Cybereason malicious.d7f52a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.OJV
APEX Malicious
BitDefender Trojan.GenericKD.38788464
Avast Win32:RansomX-gen [Ransom]
Tencent Win32.Trojan.Filecoder.Ebqh
Sophos Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.HLLP.cc
Emsisoft Trojan.GenericKD.38788464 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XDR.Gen
Antiy-AVL Trojan/Generic.ASMalwS.3519258
Microsoft Trojan:Script/Phonzy.C!ml
GData Trojan.GenericKD.38788464
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win.Generic.C4944107
McAfee Artemis!F18B990CFDED
MAX malware (ai score=86)
VBA32 TrojanDropper.Convagent
Malwarebytes Trojan.Downloader
TrendMicro-HouseCall TROJ_GEN.R002H0AAS22
Rising Trojan.Filecoder!8.68 (CLOUD)
Ikarus Trojan-Downloader.Win32.Dadobra
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.OJV!tr
AVG Win32:RansomX-gen [Ransom]
CrowdStrike win/malicious_confidence_70% (W)

How to remove Win32/Filecoder.OJV?

Win32/Filecoder.OJV malware is incredibly hard to eliminate by hand. It stores its files in a variety of places throughout the disk, and can get back itself from one of the elements. Furthermore, a range of changes in the windows registry, networking setups and also Group Policies are fairly hard to find and revert to the original. It is better to use a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is very lightweight and has its detection databases updated just about every hour. Furthermore, 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 kind.

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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