Win32/Filecoder.BTCWare.E

What is Win32/Filecoder.BTCWare.E infection?

In this article you will certainly discover regarding the meaning of Win32/Filecoder.BTCWare.E as well as its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on the internet scams to demand paying the ransom by a victim.

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Most of the cases, Win32/Filecoder.BTCWare.E virus will advise its targets to start funds move for the purpose of neutralizing the modifications that the Trojan infection has presented to the sufferer’s device.

Win32/Filecoder.BTCWare.E Summary

These adjustments can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • 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;
  • Writes a potential ransom message to disk;
  • 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 records situated on the victim’s disk drive — so the target can no longer make use of the data;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Filecoder.BTCWare.E

One of the most regular channels through which Win32/Filecoder.BTCWare.E are infused are:

  • By methods of phishing emails;
  • As an effect of user ending up on a source that organizes a malicious software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s PC or protect against the tool from functioning in a proper way – while also positioning a ransom money note that mentions the need for the targets to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the preliminary problem. In many instances, the ransom note will certainly come up when the customer reboots the COMPUTER after the system has actually already been harmed.

Win32/Filecoder.BTCWare.E circulation channels.

In different edges of the world, Win32/Filecoder.BTCWare.E expands by leaps and also bounds. Nonetheless, the ransom notes and techniques of extorting the ransom amount might vary relying on particular neighborhood (local) setups. The ransom notes as well as techniques of obtaining the ransom quantity might differ depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In particular areas, the Trojans frequently wrongfully report having detected some unlicensed applications allowed on the target’s gadget. The alert then requires the customer to pay the ransom money.

    Faulty declarations concerning illegal content.

    In nations where software program piracy is less popular, this method is not as effective for the cyber frauds. Additionally, the Win32/Filecoder.BTCWare.E popup alert might incorrectly claim to be deriving from a police institution and will report having located youngster pornography or other unlawful data on the gadget.

    Win32/Filecoder.BTCWare.E popup alert may falsely declare to be deriving from a regulation enforcement organization and also will report having situated kid porn or various other illegal data on the device. The alert will likewise include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: DFA5EE3A
md5: 571169dba04170c358cc89a45172c96e
name: 571169DBA04170C358CC89A45172C96E.mlw
sha1: 86c34d35c564b172b4857af8e08bfec3bea194d3
sha256: 3fee1045a53516911e9abc20d2cb9c04536dd899872a00c26e67f4d90a845fd7
sha512: 6837e0414a38efd15aea08c7e71dea8d2706e3cab64050df847f557b2debe78944638f7f378a3e65429477c08472f1a7ed581f379a8b60a1595d887cf6f3d880
ssdeep: 3072:SnLCU4Mpepr9c+WII7xeSSDs8VS60JXJlx2gdw66gWjf5A8oDTW0p679RieVD2:SnOU5C3zSSYZ5fQgL6g+faNTpqic2
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.BTCWare.E also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0050b3cb1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.11958
McAfee Artemis!571169DBA041
Zillya Trojan.Bitcovar.Win32.83
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Bitcovar.c094009c
K7GW Trojan ( 0050b3cb1 )
Cybereason malicious.ba0417
Symantec Ransom.BTCware
ESET-NOD32 Win32/Filecoder.BTCWare.E
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.Bitcovar.av
BitDefender DeepScan:Generic.Ransom.BTCWare.68487A36
NANO-Antivirus Trojan.Win32.Filecoder.eqrfeb
MicroWorld-eScan DeepScan:Generic.Ransom.BTCWare.68487A36
Tencent Win32.Trojan.Raas.Auto
Ad-Aware DeepScan:Generic.Ransom.BTCWare.68487A36
Sophos Mal/Generic-S
Comodo Malware@#27tvf3l8ijjuz
BitDefenderTheta Gen:NN.ZexaF.34670.oqW@aKUaSoh
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_BTCWARE.F117FS
McAfee-GW-Edition BehavesLike.Win32.Dropper.dh
FireEye Generic.mg.571169dba04170c3
Emsisoft DeepScan:Generic.Ransom.BTCWare.68487A36 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Bitcovar.ar
Avira TR/Crypt.XPACK.wwdnf
Arcabit DeepScan:Generic.Ransom.BTCWare.68487A36
AegisLab Trojan.Win32.Generic.mCaD
GData DeepScan:Generic.Ransom.BTCWare.68487A36
AhnLab-V3 Trojan/Win32.Bitcovar.C2023817
VBA32 Trojan-Ransom.Bitcovar
MAX malware (ai score=80)
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_BTCWARE.F117FS
Rising Ransom.Bitcovar!8.E709 (CLOUD)
Yandex Trojan.Filecoder!H8RhYGn41Hw
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Bitcovar.AV!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwoCTo8A

How to remove Win32/Filecoder.BTCWare.E 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.

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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.E 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.E 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/products/

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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