Win32/Filecoder.Locky.B

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

What is Win32/Filecoder.Locky.B infection?

In this short article you will locate about the interpretation of Win32/Filecoder.Locky.B as well as its negative impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a sufferer.

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Most of the cases, Win32/Filecoder.Locky.B infection will certainly advise its targets to start funds move for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the victim’s gadget.

Win32/Filecoder.Locky.B Summary

These alterations 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.
  • Mimics the system’s user agent string for its own requests;
  • Behavior consistent with a dropper attempting to download the next stage.;
  • Exhibits behavior characteristic of Locky ransomware;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard disk drive — so the target can no more make use of the data;
  • Preventing regular accessibility to the target’s workstation;

Win32/Filecoder.Locky.B

One of the most normal channels where Win32/Filecoder.Locky.B are infused are:

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

As quickly as the Trojan is effectively injected, it will either cipher the data on the target’s PC or stop the tool from working in a correct fashion – while additionally putting a ransom money note that mentions the demand for the targets to impact the repayment for the purpose of decrypting the records or recovering the data system back to the preliminary condition. In most instances, the ransom note will certainly show up when the client reboots the PC after the system has already been harmed.

Win32/Filecoder.Locky.B distribution channels.

In different corners of the world, Win32/Filecoder.Locky.B expands by jumps and bounds. Nevertheless, the ransom money notes and also tricks of obtaining the ransom amount may differ depending upon particular local (local) settings. The ransom notes as well as tricks of obtaining the ransom amount might differ depending on certain local (local) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software.

    In particular areas, the Trojans frequently wrongfully report having discovered some unlicensed applications allowed on the sufferer’s tool. The sharp then requires the user to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software program piracy is much less prominent, this technique is not as reliable for the cyber frauds. Conversely, the Win32/Filecoder.Locky.B popup alert may incorrectly assert to be deriving from a police organization and will certainly report having situated child porn or various other illegal data on the tool.

    Win32/Filecoder.Locky.B popup alert may falsely assert to be deriving from a regulation enforcement organization and will certainly report having located child pornography or other unlawful data on the gadget. The alert will likewise contain a demand for the user to pay the ransom.

Technical details

File Info:

crc32: D369919C
md5: 395cdf515740ae60497b65a4965037a1
name: 395CDF515740AE60497B65A4965037A1.mlw
sha1: 58e539b33b3257c474693968e51a2262fcd4b4d4
sha256: 9a5ba35a78a8187fe42cc93b5006b017f97f005bad9cfb88348d061ee0718a94
sha512: 954d07aaca644caccf06520da38dcfb3dd04dc92ecab9041d0c49334561e4996fa60d308556c7f6c42c66ce4090cd5edf46b8a8b4e91ec969fcf8e9787dfc94d
ssdeep: 3072:5Cr12xuooBRbzit33dsN62X5nFOoM11111111j9:5m12xILm3GfpFOZ9
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Locky.B also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 005280651 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3976
CynetMalicious (score: 100)
CAT-QuickHealWorm.Kasidet.MUE.B4
ALYacTrojan.CryptoLocker.EH
CylanceUnsafe
ZillyaTrojan.Locky.Win32.215
SangforRansom.Win32.Locky_7.se
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaRansom:Win32/Locky.08a0fe46
K7GWTrojan ( 004e11d21 )
Cybereasonmalicious.15740a
CyrenW32/Locky.A.gen!Eldorado
SymantecRansom.TeslaCrypt
ESET-NOD32a variant of Win32/Filecoder.Locky.B
APEXMalicious
AvastWin32:MalOb-IF [Cryp]
ClamAVWin.Ransomware.Locky-30744
KasperskyTrojan-Ransom.Win32.Locky.tb
BitDefenderTrojan.CryptoLocker.EH
NANO-AntivirusTrojan.Win32.Locky.epelvc
ViRobotTrojan.Win32.Locky.113152
SUPERAntiSpywareRansom.Locky/Variant
MicroWorld-eScanTrojan.CryptoLocker.EH
TencentMalware.Win32.Gencirc.10b16606
Ad-AwareTrojan.CryptoLocker.EH
SophosMal/Generic-S
ComodoTrojWare.Win32.Ransom.Locky.N@6q353j
BitDefenderThetaAI:Packer.88C493591E
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_LOCKY.SM3
McAfee-GW-EditionBehavesLike.Win32.Generic.ch
FireEyeGeneric.mg.395cdf515740ae60
EmsisoftTrojan.CryptoLocker.EH (B)
SentinelOneStatic AI – Malicious PE
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1115210
eGambitUnsafe.AI_Score_99%
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Locky.A
ArcabitTrojan.CryptoLocker.EH
AegisLabWorm.Win32.Koobface.kZ1f
GDataWin32.Trojan-Ransom.Locky.AM
TACHYONTrojan/W32.Locky.113152
AhnLab-V3Trojan/Win32.Locky.R183789
Acronissuspicious
McAfeeRansomware-FKF!395CDF515740
MAXmalware (ai score=100)
VBA32TrojanRansom.Locky
MalwarebytesMalware.AI.2057448532
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_LOCKY.SM3
RisingRansom.Locky!8.1CD4 (CLOUD)
IkarusTrojan-Ransom.Locky
FortinetW32/Generic.AP.397190!tr
AVGWin32:MalOb-IF [Cryp]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Locky.HxQBdvYA

How to remove Win32/Filecoder.Locky.B 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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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.Locky.B 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.Locky.B 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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