Win32/Filecoder.TeslaCrypt.K

What is Win32/Filecoder.TeslaCrypt.K infection?

In this short article you will discover about the definition of Win32/Filecoder.TeslaCrypt.K and its unfavorable effect on your computer. Such ransomware are a type of malware that is clarified by on the internet fraudulences to require paying the ransom by a sufferer.

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Most of the instances, Win32/Filecoder.TeslaCrypt.K infection will certainly instruct its targets to launch funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually presented to the target’s device.

Win32/Filecoder.TeslaCrypt.K Summary

These adjustments can be as adheres to:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • A process created a hidden window;
  • Unconventionial language used in binary resources: Albanian;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • 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
  • Writes a potential ransom message to disk;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to identify installed AV products by registry key;
  • 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 located on the victim’s disk drive — so the victim can no longer make use of the data;
  • Preventing routine 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.TeslaCrypt.K

The most normal networks where Win32/Filecoder.TeslaCrypt.K Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As an effect of customer winding up on a resource that hosts a malicious software application;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or prevent the tool from working in a correct fashion – while additionally putting a ransom money note that discusses the demand for the victims to effect the repayment for the purpose of decrypting the documents or restoring the documents system back to the first condition. In a lot of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has currently been harmed.

Win32/Filecoder.TeslaCrypt.K circulation networks.

In various edges of the globe, Win32/Filecoder.TeslaCrypt.K expands by jumps and also bounds. Nonetheless, the ransom notes and also tricks of obtaining the ransom quantity might vary depending upon particular neighborhood (regional) setups. The ransom notes and techniques of obtaining the ransom amount may vary depending on certain neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the victim’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations about illegal web content.

    In countries where software application piracy is less preferred, this technique is not as effective for the cyber scams. Additionally, the Win32/Filecoder.TeslaCrypt.K popup alert might falsely assert to be deriving from a law enforcement establishment and also will report having located child pornography or various other unlawful information on the gadget.

    Win32/Filecoder.TeslaCrypt.K popup alert might incorrectly assert to be deriving from a law enforcement institution as well as will certainly report having situated child porn or various other prohibited information on the device. The alert will likewise consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 2F341B45
md5: 00554b7653f4cbda353e0169b0e73c86
name: 00554B7653F4CBDA353E0169B0E73C86.mlw
sha1: 19821e7428b584306416f887d15fc080bb967cfb
sha256: c6797d3159336b1871daaa8d73ad6b4032eb90a7a9dd053f103c13808b73c830
sha512: 2dba910465d4ff483db1bc4d4342bb7acf58d1c185a17b0c99711f12e7bbc9a2b1b0d502cf519f02eb60900ea3372e4f7c3f593690b5f1982298f73d8ab00ed9
ssdeep: 6144:brxWt4XeqcqhtmOQ0iHfpC3zpeSllIisepnI6JGZHLR/fZI6ON077HC1bK/z4ylP:PkzV/pqzkANktfZcEiJK/z40
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2013
InternalName: Delate
FileVersion: 0.24.73.71
CompanyName: Easy Net Switch
LegalTrademarks: Dialler
ProductName: Cheapens Feedings
ProductVersion: 0.182.149.208
FileDescription: Compound Gratify Glassy
OriginalFilename: Drainsl.EXE

Win32/Filecoder.TeslaCrypt.K also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004e12bb1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4200
MicroWorld-eScan Trojan.Ransom.ASX
CAT-QuickHeal Ransom.Teslacrypt.OL4
ALYac Trojan.Ransom.ASX
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Tescrypt.984181ee
K7GW Trojan ( 004e12bb1 )
Cybereason malicious.653f4c
Cyren W32/Trojan.UJAL-6942
Symantec Ransom.TeslaCrypt
ESET-NOD32 Win32/Filecoder.TeslaCrypt.K
Zoner Trojan.Win32.38548
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Ransom.ASX
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
ViRobot Trojan.Win32.TeslaCrypt.Gen.D
Tencent Trojan.Win32.Kryptik.jsff
Ad-Aware Trojan.Ransom.ASX
Comodo TrojWare.Win32.Ransom.Tescrypt.FI@6b1xei
BitDefenderTheta Gen:NN.ZexaF.34628.zq3@aKREPuiO
VIPRE Win32.Malware!Drop
TrendMicro Ransom_HPCRYPTESLA.SM2
McAfee-GW-Edition Ransomware-FHE!00554B7653F4
FireEye Generic.mg.00554b7653f4cbda
Emsisoft Trojan.Ransom.ASX (B)
Jiangmin Trojan.Yakes.icc
Webroot W32.Trojan.Gen
Avira TR/Crypt.XPACK.435467
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Yakes.ph.(kcloud)
Microsoft Ransom:Win32/Tescrypt
Arcabit Trojan.Ransom.ASX
SUPERAntiSpyware Ransom.TeslaCrypt/Variant
GData Trojan.Ransom.ASX
AhnLab-V3 Trojan/Win32.Teslacrypt.R176883
McAfee Ransomware-FHE!00554B7653F4
MAX malware (ai score=83)
VBA32 BScope.Trojan.Encoder
Malwarebytes Ransom.TeslaCrypt
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_HPCRYPTESLA.SM2
Rising Ransom.Tescrypt!8.3AF (KTSE)
Yandex Trojan.Yakes!MHQdljrD8fM
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.ERPT!tr
AVG Win32:Trojan-gen
Qihoo-360 Win32/Ransom.Generic.HgIASOQA

How to remove Win32/Filecoder.TeslaCrypt.K 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.

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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.TeslaCrypt.K 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.TeslaCrypt.K 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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