Win32/Filecoder.BTCware.J

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

What is Win32/Filecoder.BTCware.J infection?

In this post you will discover regarding the definition of Win32/Filecoder.BTCware.J and also its unfavorable impact on your computer. Such ransomware are a type of malware that is specified by online fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, Win32/Filecoder.BTCware.J infection will instruct its targets to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the target’s gadget.

Win32/Filecoder.BTCware.J Summary

These modifications can be as follows:

  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • Steals private information from local Internet browsers;
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the victim’s disk drive — so the target can no more make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Filecoder.BTCware.J

One of the most common networks through which Win32/Filecoder.BTCware.J Trojans are infused are:

  • By ways of phishing e-mails;
  • As a consequence of customer ending up on a resource that holds a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or protect against the device from functioning in an appropriate manner – while additionally positioning a ransom note that discusses the requirement for the victims to effect the payment for the purpose of decrypting the documents or restoring the data system back to the first condition. In a lot of circumstances, the ransom note will turn up when the client reboots the PC after the system has actually already been harmed.

Win32/Filecoder.BTCware.J circulation networks.

In various corners of the globe, Win32/Filecoder.BTCware.J grows by leaps and bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom money amount may differ relying on specific neighborhood (local) settings. The ransom money notes and also tricks of obtaining the ransom money amount may differ depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

    In certain locations, the Trojans often wrongfully report having detected some unlicensed applications allowed on the target’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty statements concerning prohibited content.

    In countries where software piracy is much less preferred, this method is not as effective for the cyber scams. Conversely, the Win32/Filecoder.BTCware.J popup alert may wrongly assert to be stemming from a police organization and will certainly report having located kid porn or various other prohibited data on the device.

    Win32/Filecoder.BTCware.J popup alert might wrongly claim to be obtaining from a legislation enforcement establishment as well as will certainly report having located kid porn or other prohibited information on the gadget. The alert will in a similar way consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 67956432
md5: 004359aa191df7774704c388c7f31921
name: 004359AA191DF7774704C388C7F31921.mlw
sha1: 9ecfece6a69affb325b19e0b7470700f4c88fbc2
sha256: 2a20523d2a5afe97eb5bf242184a5fb56e34b7c384485f94d7ade77239304191
sha512: 6b9d4f1008113c6d942d757d5b4dc69dc19457faa7383d083d0ae5ddce26531795f826304e90840142b11d47b026edaf9af3dee036bbb97e6a27b7484be3b3ce
ssdeep: 6144:rUZWH9z95K9FXP4udyjw3AXNzp5NA55H8/J1+N8+Ps1OSej:rU2zS9V4F2qv5NKAoPFj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.BTCware.J also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusTrojan ( 0055d5751 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.11958
CynetMalicious (score: 100)
ALYacTrojan.Ransom.BTCWare
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (W)
AlibabaRansom:Win32/Bitcovar.fb034253
K7GWTrojan ( 0055d5751 )
Cybereasonmalicious.a191df
SymantecRansom.BTCware
ESET-NOD32a variant of Win32/Filecoder.BTCware.J
APEXMalicious
AvastWin32:RansomX-gen [Ransom]
KasperskyTrojan-Ransom.Win32.Bitcovar.nr
BitDefenderGen:Heur.Ransom.REntS.Gen.1
NANO-AntivirusTrojan.Win32.Bitcovar.ewnivg
SUPERAntiSpywareRansom.BTCware/Variant
MicroWorld-eScanGen:Heur.Ransom.REntS.Gen.1
TencentWin32.Trojan.Filecoder.Bnn
Ad-AwareGen:Heur.Ransom.REntS.Gen.1
SophosML/PE-A + Troj/Btcware-A
ComodoMalware@#3h2tbcv5wiq79
BitDefenderThetaAI:Packer.A9A3EC741F
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionGenericRXDL-UQ!004359AA191D
FireEyeGeneric.mg.004359aa191df777
EmsisoftGen:Heur.Ransom.REntS.Gen.1 (B)
SentinelOneStatic AI – Suspicious PE
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1103465
eGambitUnsafe.AI_Score_77%
MicrosoftRansom:Win32/Betisrypt.D
AegisLabTrojan.Win32.Bitcovar.j!c
GDataGen:Heur.Ransom.REntS.Gen.1
AhnLab-V3Trojan/Win32.Gryphon.C2108754
McAfeeGenericRXDL-UQ!004359AA191D
MAXmalware (ai score=100)
VBA32Trojan-Ransom.Bitcovar
MalwarebytesMalware.AI.1940805268
PandaTrj/GdSda.A
RisingRansom.FileCryptor!8.1A7 (CLOUD)
YandexTrojan.GenAsa!oFyvtcSX4F4
IkarusTrojan-Ransom.BTCWare
FortinetW32/Filecoder.BTCW!tr
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Generic.HwoCocAA

How to remove Win32/Filecoder.BTCware.J ransomware?

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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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

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.BTCware.J 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.BTCware.J you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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