Win32/Filecoder.TeslaCrypt.C

What is Win32/Filecoder.TeslaCrypt.C infection?

In this article you will certainly locate concerning the meaning of Win32/Filecoder.TeslaCrypt.C as well as its unfavorable influence on your computer. Such ransomware are a kind of malware that is clarified by on-line frauds to demand paying the ransom money by a target.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

Most of the instances, Win32/Filecoder.TeslaCrypt.C infection will instruct its targets to start funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the target’s tool.

Win32/Filecoder.TeslaCrypt.C 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.
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Arabic (Qatar);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Network activity contains more than one unique useragent.;
  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the victim’s hard disk — so the sufferer can no longer make use of the data;
  • Preventing normal access to the victim’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.C

The most regular networks through which Win32/Filecoder.TeslaCrypt.C Ransomware Trojans are injected are:

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

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or protect against the gadget from operating in an appropriate fashion – while likewise putting a ransom note that mentions the need for the victims to effect the settlement for the objective of decrypting the papers or recovering the data system back to the first condition. In the majority of instances, the ransom note will turn up when the customer reboots the COMPUTER after the system has currently been harmed.

Win32/Filecoder.TeslaCrypt.C distribution networks.

In numerous edges of the globe, Win32/Filecoder.TeslaCrypt.C expands by leaps and bounds. Nevertheless, the ransom money notes and tricks of obtaining the ransom money quantity might vary relying on particular local (regional) settings. The ransom money notes and techniques of obtaining the ransom quantity might vary depending on specific neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually found some unlicensed applications allowed on the victim’s device. The alert then requires the individual to pay the ransom money.

    Faulty statements concerning prohibited web content.

    In countries where software application piracy is much less preferred, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Filecoder.TeslaCrypt.C popup alert may wrongly declare to be deriving from a police organization and will report having situated youngster porn or other illegal information on the tool.

    Win32/Filecoder.TeslaCrypt.C popup alert may incorrectly assert to be deriving from a legislation enforcement institution and will report having situated kid porn or various other illegal information on the tool. The alert will in a similar way have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 0D36FB1B
md5: 4d6a8b9dab890bb13a744c73be917753
name: 4D6A8B9DAB890BB13A744C73BE917753.mlw
sha1: 9ee9f3ed4d983f549cbe6c2d303077d189ce0d65
sha256: 1c442d37dbf41656f0d09d879e2dc94f6d3e675a6e72192c10db3fe9d0f9505e
sha512: 15f02cd6fdd3a9ea681251f6d251a1be7d9bd80672527281389b0da3e8b3f9caf312664090919e3e02296819a222be8a85debca0d561e506bc9fce78df0169c4
ssdeep: 3072:/6HQZFW29PNV+vG16v17I6xg0DQdu2nAmMu3Xft6GBS/QVa4XxvD4PlyxaGpLfx:CwZ4i6SCZINbMG6MS/QnhjLwc
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Sweetening 1980-2003
InternalName: Tuner.exe
FileVersion: 8.3.0.4
CompanyName: 4t Niagara Software
ProductName: Stabilises
ProductVersion: 8.3.0.4
FileDescription: Signings
OriginalFilename: Tuner.exe
Translation: 0x0409 0x0000

Win32/Filecoder.TeslaCrypt.C also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004b56ff1 )
Elastic malicious (high confidence)
DrWeb Trojan.AVKill.37557
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Trojan.Deshacop.Win32.126
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/Deshacop.3a39a7e4
K7GW Trojan ( 004b56ff1 )
Baidu Win32.Trojan.Kryptik.qb
Cyren W32/Backdoor.YQTD-9311
Symantec Ransom.TeslaCrypt!gm
ESET-NOD32 Win32/Filecoder.TeslaCrypt.C
Zoner Trojan.Win32.35139
APEX Malicious
Avast Win32:TeslaCrypt-EN [Trj]
ClamAV Win.Malware.Agent1672417685/CRDF-1
Kaspersky Trojan.Win32.Deshacop.iu
BitDefender Trojan.Cripack.Gen.1
NANO-Antivirus Trojan.Win32.Deshacop.duxlyr
SUPERAntiSpyware Trojan.Agent/Gen-Malagent
MicroWorld-eScan Trojan.Cripack.Gen.1
Tencent Malware.Win32.Gencirc.10c752a7
Ad-Aware Trojan.Cripack.Gen.1
Sophos Mal/Generic-R + Mal/Tinba-N
Comodo Malware@#39h715zk3s6bj
BitDefenderTheta Gen:NN.ZexaF.34628.qq0@aywRaWii
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_FRS.0NA103BL20
McAfee-GW-Edition TeslaCrypt!4D6A8B9DAB89
FireEye Generic.mg.4d6a8b9dab890bb1
Emsisoft Trojan.Cripack.Gen.1 (B)
Jiangmin Trojan/Deshacop.av
Webroot W32.Malware.Gen
Avira TR/AD.Cryptowall.Y.7
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Tescrypt.A
AegisLab Trojan.Win32.Deshacop.4!c
GData Trojan.Cripack.Gen.1
AhnLab-V3 Win-Trojan/Lockycrypt.Gen
Acronis suspicious
McAfee TeslaCrypt!4D6A8B9DAB89
MAX malware (ai score=100)
VBA32 Trojan.Deshacop
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_FRS.0NA103BL20
Rising Trojan.Spy.Win32.Tescrypt.a (CLOUD)
SentinelOne Static AI – Malicious PE
Fortinet W32/Kryptik.DTBC!tr
AVG Win32:TeslaCrypt-EN [Trj]
Qihoo-360 Win32/Ransom.Tescrypt.HwcBhogA

How to remove Win32/Filecoder.TeslaCrypt.C virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.TeslaCrypt.C 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

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

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending

This site uses Akismet to reduce spam. Learn how your comment data is processed.