Win32/Filecoder.TeslaCrypt.I

What is Win32/Filecoder.TeslaCrypt.I infection?

In this short article you will certainly find concerning the meaning of Win32/Filecoder.TeslaCrypt.I and also its unfavorable impact on your computer. Such ransomware are a form of malware that is elaborated by on-line frauds to demand paying the ransom by a sufferer.

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In the majority of the cases, Win32/Filecoder.TeslaCrypt.I ransomware will advise its sufferers to initiate funds transfer for the objective of counteracting the modifications that the Trojan infection has actually presented to the target’s tool.

Win32/Filecoder.TeslaCrypt.I 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);
  • 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.;
  • 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.

  • Executed a process and injected code into it, probably while unpacking;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • Creates a copy of itself;
  • Ciphering the files situated on the victim’s hard disk — so the victim can no more utilize the information;
  • Preventing regular access to the sufferer’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.I

The most normal networks through which Win32/Filecoder.TeslaCrypt.I are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that hosts a harmful software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or protect against the gadget from working in a proper way – while also placing a ransom money note that discusses the need for the targets to impact the repayment for the objective of decrypting the records or recovering the file system back to the preliminary problem. In most circumstances, the ransom note will certainly show up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/Filecoder.TeslaCrypt.I circulation networks.

In numerous corners of the world, Win32/Filecoder.TeslaCrypt.I grows by jumps and also bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom quantity might differ relying on certain neighborhood (local) settings. The ransom notes and also techniques of obtaining the ransom quantity may differ depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s device. The alert after that requires the individual to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software piracy is much less prominent, this approach is not as reliable for the cyber frauds. Alternatively, the Win32/Filecoder.TeslaCrypt.I popup alert may falsely claim to be deriving from a law enforcement organization and also will report having situated child porn or other prohibited information on the tool.

    Win32/Filecoder.TeslaCrypt.I popup alert might incorrectly claim to be deriving from a law enforcement institution as well as will certainly report having situated child pornography or various other prohibited data on the tool. The alert will likewise consist of a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: BD6C0CD6
md5: 6651fbe07860ac5575e9a0a070dea4de
name: 6651FBE07860AC5575E9A0A070DEA4DE.mlw
sha1: 886460f4ea6f041bff292d50e947f8d7f3940b4b
sha256: 8d2ddba2427355606bf8ca82b2cdba5f9f473dd5369f8927153d0edd31531ad4
sha512: 9c22f4014719fc07d07d5a14e8285eaccee3a22db77271913cefdb00f4d54e278a3e54f2d39e1cb302a0e985f884fa476a45788558a9f2d5e40068e4944dbf98
ssdeep: 6144:J0kyLy3AMRP2mF69+Bdv4e0xvZH4lG9DiePMCE0v3ChoPhvt/qpMxdMTM6wk6XB:J0k7QO0gBdFCLib8Sqpt/qpwCQ
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.TeslaCrypt.I also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.Agent.DKEH
Cylance Unsafe
Zillya Trojan.TeslaCrypt.Win32.98
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/TeslaCrypt.9e83e1ea
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.07860a
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.TeslaCrypt.I
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Agent.DKEH
NANO-Antivirus Trojan.Win32.Filecoder.dzgtkw
MicroWorld-eScan Trojan.Agent.DKEH
Tencent Win32.Trojan.Filecoder.Wnwb
Ad-Aware Trojan.Agent.DKEH
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZemsilF.34608.Pn0@aKDdm0j
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.tt
FireEye Generic.mg.6651fbe07860ac55
Emsisoft Trojan.Agent.DKEH (B)
Webroot W32.Trojan.GenKD
Avira HEUR/AGEN.1123275
eGambit Unsafe.AI_Score_100%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Tescrypt
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Agent.DKEH
McAfee Artemis!6651FBE07860
MAX malware (ai score=84)
Panda Trj/GdSda.A
Rising Trojan.Ransom-Tesla!8.2B62 (CLOUD)
Yandex Trojan.Agent!x9turFVZiq0
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Injector.NYP!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HgIASOMA

How to remove Win32/Filecoder.TeslaCrypt.I 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.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

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Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Filecoder.TeslaCrypt.I 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.

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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.I 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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