What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/Filecoder.OBC infection?

In this article you will locate about the meaning of Win32/Filecoder.OBC and also its adverse impact on your computer system. Such ransomware are a form of malware that is specified by online scams to require paying the ransom money by a target.

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In the majority of the instances, Win32/Filecoder.OBC ransomware will certainly advise its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/Filecoder.OBC Summary

These adjustments can be as adheres to:

  • A process attempted to delay the analysis task.;
  • Uses Windows utilities for basic functionality;
  • Steals private information from local Internet browsers;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the sufferer’s disk drive — so the victim can no more utilize the information;
  • Preventing normal accessibility to the victim’s workstation;


The most common networks whereby Win32/Filecoder.OBC Ransomware are infused are:

  • By methods of phishing emails;
  • As an effect of user ending up on a resource that hosts a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or prevent the device from functioning in a correct manner – while additionally putting a ransom money note that points out the requirement for the sufferers to effect the repayment for the objective of decrypting the files or recovering the data system back to the initial problem. In a lot of circumstances, the ransom money note will come up when the customer reboots the PC after the system has already been harmed.

Win32/Filecoder.OBC distribution networks.

In numerous edges of the globe, Win32/Filecoder.OBC grows by jumps and also bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money quantity may vary depending upon certain regional (local) setups. The ransom notes and also tricks of obtaining the ransom amount may vary depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts regarding unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually found some unlicensed applications allowed on the sufferer’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements regarding unlawful material.

    In nations where software application piracy is much less prominent, this technique is not as effective for the cyber scams. Conversely, the Win32/Filecoder.OBC popup alert may incorrectly claim to be stemming from a law enforcement organization and will certainly report having situated youngster pornography or various other unlawful data on the gadget.

    Win32/Filecoder.OBC popup alert might wrongly declare to be acquiring from a law enforcement establishment and will report having situated kid pornography or various other unlawful data on the gadget. The alert will in a similar way contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 1DC8B08E
md5: fdc4436fa5700e2ff984d25dfcb19a72
name: update_11.3.58.exe
sha1: d6503f42be986ef42fe20c39309111bad7602403
sha256: 7f05bf6fd7f5c5bfe0c201d73029439b228bc4d729306f7cea8077f03292fe63
sha512: a21a29ae37488ceb331405c1f53fa8e795dc1744561fa57352c1dadbc82e01e0bdd2f3b5c03a1dcf3f0d7dfb71670cf0be88d702b8757c3b83ba592212d59cc1
ssdeep: 49152:pc6vm9TT3RfAoqxOKcAdNIGjJ9YyJWn59bYaTtTC2VZiT:e5TT3RfAYEFWn59btV
type: PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.OBC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware
DrWeb Trojan.MulDrop11.50662
MicroWorld-eScan Trojan.GenericKD.33540457
FireEye Trojan.GenericKD.33540457
CAT-QuickHeal Ransom.Encoder
Qihoo-360 Generic/Trojan.03f
McAfee Artemis!FDC4436FA570
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.33540457
K7GW Riskware ( 0040eff71 )
TrendMicro TROJ_FRS.0NA103CH20
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.33540457
Kaspersky Trojan-Ransom.Win32.Gen.web
Alibaba Ransom:Win32/Filecoder.32238bde
NANO-Antivirus Trojan.Win32.Mlw.hfizql
Tencent Win32.Trojan.Gen.Ehro
Sophos Mal/Generic-S
F-Secure Trojan.TR/Crypt.XPACK.Gen
Zillya Trojan.Filecoder.Win32.12845
McAfee-GW-Edition BehavesLike.Win32.VirRansom.vh
Emsisoft Trojan.GenericKD.33540457 (B)
Ikarus Trojan-Ransom.Tongda2000
Cyren W32/Trojan.INDT-2896
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=86)
Antiy-AVL Trojan/Win32.Wacatac
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Generic.D1FFC969
ZoneAlarm Trojan-Ransom.Win32.Gen.web
VBA32 BScope.TrojanRansom.Encoder
ALYac Trojan.Ransom.Filecoder
Ad-Aware Trojan.GenericKD.33540457
Malwarebytes Ransom.FileCryptor
Panda Trj/CI.A
ESET-NOD32 Win32/Filecoder.OBC
TrendMicro-HouseCall TROJ_FRS.0NA103CH20
Rising Ransom.Gen!8.DE83 (CLOUD)
Fortinet W32/Gen.WEB!tr.ransom
AVG Win32:Malware-gen
MaxSecure Trojan.Malware.79539961.susgen

How to remove Win32/Filecoder.OBC virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Filecoder.OBC files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/Filecoder.OBC you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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