Win32/Filecoder.OIF

Written by Robert Bailey
Seeing the Win32/Filecoder.OIF detection means that your PC is in big danger. This virus can correctly be identified as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Win32/Filecoder.OIF detection is a malware detection you can spectate in your system. It generally appears after the preliminary procedures on your computer – opening the dubious email, clicking the advertisement in the Web or setting up the program from unreliable sources. From the instance it appears, you have a short time to act until it starts its malicious action. And be sure – it is far better not to wait for these destructive effects.

What is Win32/Filecoder.OIF virus?

Win32/Filecoder.OIF is ransomware-type malware. It looks for the files on your disks, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a ton of harm to your system. It alters the networking settings in order to avoid you from reading the removal manuals or downloading the antivirus. In rare cases, Win32/Filecoder.OIF can also prevent the launching of anti-malware programs.

Win32/Filecoder.OIF Summary

In total, Win32/Filecoder.OIF virus actions in the infected computer are next:

  • Uses Windows utilities to enumerate running processes;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Detects Bochs through the presence of a registry key;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Collects information to fingerprint the system;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the files located on the victim’s drive — so the victim cannot check these files;
  • 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 headache for the last 4 years. It is difficult to imagine a more harmful malware for both individuals and corporations. The algorithms utilized in Win32/Filecoder.OIF (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 currently exists, and possibly will exist. However, that malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Hence, seeing the Win32/Filecoder.OIF detection is a clear signal that you need to begin the clearing process.

Where did I get the Win32/Filecoder.OIF?

Typical tactics of Win32/Filecoder.OIF distribution are standard for all other ransomware examples. Those are one-day landing web pages where users are offered to download and install the free program, so-called bait emails and hacktools. Bait e-mails are a relatively modern strategy in malware spreading – you get the e-mail that imitates some standard notifications about shippings or bank service conditions changes. Inside of the e-mail, there is an infected 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.

Avoiding it looks quite simple, but still requires tons of recognition. Malware can hide in different places, and it is better to stop it even before it goes into your computer than to depend on an anti-malware program. Basic cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may save you a lot of time and money which you would spend while seeking a solution.

Win32/Filecoder.OIF malware technical details

File Info:

name: DC769583C696EBE31CF9.mlw
path: /opt/CAPEv2/storage/binaries/62d8b64f33bd5a39893d7801872bf1d3577189a39caafbf3bbdfd0e7ace7d77d
crc32: 616B6378
md5: dc769583c696ebe31cf9d92c254bce1a
sha1: 38ff7ce4fa99988dde4f592036c8f74d4872adb3
sha256: 62d8b64f33bd5a39893d7801872bf1d3577189a39caafbf3bbdfd0e7ace7d77d
sha512: 5e34d7789b42c69122d03b875ceeb5b6cf5b545408ddc4358b9c6c16850937785bbf4960152c73a98c83a330d94af4def3d75d27ac6e8f3e7863b50830b3232f
ssdeep: 24576:7/AHsfaBp5LZ/RRtzddpRwwTGqnqDQdJRaUrdau8Bphm:MHsf01R7pRwwVqCXaEahBphm
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T12E359D30B992D077E56101F04FB8FA9A616DFD250F3546DFA7E40A2E6A304D24E32E67
sha3_384: 14050f1cc646bc12996d3c4ad3a67fa4537158b99134b83b6c8a4f356d32899d395fbbe417a852af015afba3b41c213b
ep_bytes: e8f20c0000e974feffffcccccccccc80
timestamp: 2022-05-02 22:30:36

Version Info:

CompanyName: Microsoft
FileDescription: Microsoft Protection Service
ProductName: Microsoft
Translation: 0x0409 0x04b0

Win32/Filecoder.OIF also known as:

MicroWorld-eScanDeepScan:Generic.Ransom.Spora.E2F2B060
FireEyeDeepScan:Generic.Ransom.Spora.E2F2B060
ALYacDeepScan:Generic.Ransom.Spora.E2F2B060
Cybereasonmalicious.3c696e
ArcabitDeepScan:Generic.Ransom.Spora.E2F2B060
BitDefenderThetaAI:Packer.6A3BFE081C
CyrenW32/ABRansom.QNHR-4258
SymantecML.Attribute.HighConfidence
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Filecoder.OIF
Paloaltogeneric.ml
KasperskyHEUR:Trojan-Ransom.Win32.Generic
BitDefenderDeepScan:Generic.Ransom.Spora.E2F2B060
CynetMalicious (score: 100)
AvastWin32:RansomX-gen [Ransom]
TencentWin32.Trojan.Filecoder.Wtni
Ad-AwareDeepScan:Generic.Ransom.Spora.E2F2B060
EmsisoftDeepScan:Generic.Ransom.Spora.E2F2B060 (B)
VIPREDeepScan:Generic.Ransom.Spora.E2F2B060
McAfee-GW-EditionGenericRXSU-TJ!DC769583C696
Trapminemalicious.moderate.ml.score
SophosMal/Generic-S
JiangminTrojan.DelShad.brc
AviraHEUR/AGEN.1250675
MicrosoftTrojan:Win32/Wacatac.B!ml
GDataDeepScan:Generic.Ransom.Spora.E2F2B060
GoogleDetected
AhnLab-V3Ransomware/Win.Cryptolocker.C4851941
McAfeeGenericRXSU-TJ!DC769583C696
MAXmalware (ai score=81)
VBA32BScope.Exploit.Convagent
MalwarebytesRansom.Spora
RisingRansom.RCRU!1.DDE5 (CLASSIC)
IkarusTrojan-Ransom.FileCrypter
FortinetW32/Filecoder.OIE!tr.ransom
AVGWin32:RansomX-gen [Ransom]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove Win32/Filecoder.OIF?

Win32/Filecoder.OIF malware is incredibly difficult to erase manually. It puts its files in several places throughout the disk, and can recover itself from one of the parts. In addition, various changes in the windows registry, networking settings and also Group Policies are really hard to find and return to the original. It is far better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus removal objectives.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated practically every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for eliminating 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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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