What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32/Filecoder.OJD malware detection usually means that your system is in big danger. This malware can correctly be identified as ransomware – sort of malware which ciphers your files and forces you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.
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Win32/Filecoder.OJD detection is a malware detection you can spectate in your computer. It generally shows up after the provoking actions on your computer – opening the untrustworthy e-mail messages, clicking the advertisement in the Web or installing the program from untrustworthy sources. From the moment it shows up, you have a short time to do something about it until it begins its malicious action. And be sure – it is better not to wait for these destructive effects.

What is Win32/Filecoder.OJD virus?

Win32/Filecoder.OJD is ransomware-type malware. It searches for the files on your disks, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of harm to your system. It modifies the networking setups in order to prevent you from checking out the removal guides or downloading the antivirus. In rare cases, Win32/Filecoder.OJD can also stop the setup of anti-malware programs.

Win32/Filecoder.OJD Summary

In summary, Win32/Filecoder.OJD ransomware activities in the infected system are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Queries information on disks, possibly for anti-virtualization;
  • Ciphering the documents kept on the victim’s drive — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more hazardous virus for both individual users and companies. The algorithms utilized in Win32/Filecoder.OJD (usually, 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 actually exists, and possibly will exist. However, that virus does not do all these bad things immediately – it may take up to a few hours to cipher all of your files. Therefore, seeing the Win32/Filecoder.OJD detection is a clear signal that you should begin the elimination procedure.

Where did I get the Win32/Filecoder.OJD?

Typical tactics of Win32/Filecoder.OJD distribution are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a pretty new tactic in malware spreading – you receive the e-mail that simulates some routine notifications about shippings or bank service conditions changes. Within the email, there is a corrupted 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.

Avoiding it looks pretty simple, but still demands tons of focus. Malware can hide in various places, and it is far better to stop it even before it gets into your PC than to trust in an anti-malware program. Basic cybersecurity knowledge is just an essential item in the modern world, even if your interaction with a PC stays on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while looking for a fix guide.

Win32/Filecoder.OJD malware technical details

File Info:

name: 455D9D4969A2526A4BB2.mlw
path: /opt/CAPEv2/storage/binaries/43bb7c545665c17ba33c9b743849535740f326f2b8a82127e2d1733e3fda4a2b
crc32: 569DBC38
md5: 455d9d4969a2526a4bb28d93804e6d31
sha1: 4df9e312d6824a24c8261d7cce6c567b910285ec
sha256: 43bb7c545665c17ba33c9b743849535740f326f2b8a82127e2d1733e3fda4a2b
sha512: 7e8248ba4514834c274a378f5fe8937181a2c78b13e303339dfbf8659b4303bfbf9bc4aa46523232d26bcbeb51edb5b77b398426643adff7fd61b93827437003
ssdeep: 768:fAaf9fNN2bOk5xo7uiNGk10NdA2XKVCo9P0dN1qiGPamHe/MiaUidcThlGZVl2/p:4s9oroSiNGxPA2g7P0r11GimH4NOZ8W
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1DE430167BE55F127E4E907F55183D2A3915AAB7090284E5443FC28DC3BC86BAA12F208
sha3_384: 6290d4f9c43a6487be4c412a87750200acb1a9e758a6dfaf5d251ef779df950f91bd72f8e4d009509f3035f46a88af9f
ep_bytes: 6a00e889ffffff33c0c2040000000000
timestamp: 2021-09-04 18:00:27

Version Info:

0: [No Data]

Win32/Filecoder.OJD also known as:

Elasticmalicious (high confidence)
K7AntiVirusTrojan ( 0058ac911 )
K7GWTrojan ( 0058ac911 )
ESET-NOD32a variant of Win32/Filecoder.OJD
SophosGeneric ML PUA (PUA)
EmsisoftGen:Variant.Ransom.Sugar.17 (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=87)
CynetMalicious (score: 100)
RisingRansom.Cryptor!8.10A9 (CLOUD)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32/Filecoder.OJD?

Win32/Filecoder.OJD malware is very difficult to remove manually. It stores its documents in a variety of locations throughout the disk, and can get back itself from one of the parts. Moreover, various changes in the registry, networking configurations and Group Policies are fairly hard to find and return to the initial. It is better to utilize a special app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the most ideal for malware elimination purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated nearly every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for removing malware of any type.

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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