Win32:TeslaCrypt-DX [Trj]

Written by Robert Bailey

What is Win32:TeslaCrypt-DX [Trj] infection?

In this article you will discover concerning the meaning of Win32:TeslaCrypt-DX [Trj] as well as its negative impact on your computer system. Such ransomware are a kind of malware that is clarified by on the internet fraudulences to require paying the ransom by a victim.

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In the majority of the situations, Win32:TeslaCrypt-DX [Trj] virus will advise its sufferers to initiate funds transfer for the function of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s tool.

Win32:TeslaCrypt-DX [Trj] Summary

These adjustments can be as complies with:

  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Looks up the external IP address;
  • 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;
  • Deletes its original binary from disk;
  • Attempts to delete volume shadow copies;
  • 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
  • Exhibits possible ransomware file modification behavior;
  • 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;
  • Connects to Tor Hidden Services through a Tor gateway;
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
  • 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 located on the sufferer’s hard disk — so the target can no more make use of the data;
  • Preventing normal accessibility to the victim’s workstation;
Similar behavior
Related domains
ipinfo.io Ransom:Win32/Snocry.71e2bf62
gfdkotriam.fo4j4wnq51hepa.com Ransom:Win32/Snocry.71e2bf62
sdkfgirnmz49.mnb5rudf18gfad.com Ransom:Win32/Snocry.71e2bf62
zpr5huq4bgmutfnf.tor2web.org Ransom:Win32/Snocry.71e2bf62
zpr5huq4bgmutfnf.onion.to Ransom:Win32/Snocry.71e2bf62

Win32:TeslaCrypt-DX [Trj]

One of the most regular channels through which Win32:TeslaCrypt-DX [Trj] Ransomware are injected are:

  • By methods of phishing emails;
  • As an effect of user winding up on a resource that organizes a harmful software application;

As quickly as the Trojan is successfully injected, it will either cipher the information on the victim’s computer or stop the gadget from functioning in an appropriate manner – while also placing a ransom money note that states the need for the targets to effect the payment for the objective of decrypting the files or bring back the documents system back to the first condition. In a lot of circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has already been damaged.

Win32:TeslaCrypt-DX [Trj] distribution channels.

In different corners of the globe, Win32:TeslaCrypt-DX [Trj] expands by jumps and also bounds. However, the ransom money notes and also techniques of extorting the ransom amount may differ relying on specific neighborhood (local) setups. The ransom notes as well as techniques of extorting the ransom money amount might differ depending on particular regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans typically wrongfully report having actually identified some unlicensed applications enabled on the victim’s tool. The sharp then requires the individual to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software program piracy is less preferred, this technique is not as efficient for the cyber frauds. Additionally, the Win32:TeslaCrypt-DX [Trj] popup alert might falsely assert to be originating from a police organization as well as will certainly report having situated child pornography or other illegal information on the tool.

    Win32:TeslaCrypt-DX [Trj] popup alert might wrongly claim to be obtaining from a law enforcement establishment and will certainly report having situated child pornography or other illegal information on the tool. The alert will in a similar way include a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 86EE7406
md5: f4ad5ea5e364e97f5fd6cd0c1d2f3ef0
name: F4AD5EA5E364E97F5FD6CD0C1D2F3EF0.mlw
sha1: d751751d05e2e673a04c1c4e180180f86270dc8d
sha256: 98057b208067c5860c8527251ab67cef1cfd0203a017a77c3fb85019775f48fd
sha512: 000cb21ae509a0ee9c378a47456983131b658519c8bdfa3c87666c4d06279d58c526d62eec1807868eb1ddaa48b0686bacfcd31823775a161c8c94fe6cf80833
ssdeep: 6144:s3fFK227gX12SH3GpT2dHkNrWSTm6vjgklU9B0u+ZtE7Ya5bQc562sJDcLPBxPd:s3fI228mogqB6LgklU9VFQc5wDcbd
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:TeslaCrypt-DX [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
DrWeb Trojan.AVKill.37459
Cynet Malicious (score: 100)
Cylance Unsafe
Zillya Trojan.Snocry.Win32.297
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Ransom:Win32/Snocry.71e2bf62
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.d05e2e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.TeslaCrypt.D
APEX Malicious
Avast Win32:TeslaCrypt-DX [Trj]
Kaspersky Trojan-Ransom.Win32.Snocry.wa
NANO-Antivirus Trojan.Win32.Snocry.duhhxc
Tencent Malware.Win32.Gencirc.114cc271
Sophos ML/PE-A
Comodo Malware@#1pf2ya7acygkc
BitDefenderTheta Gen:NN.ZexaF.34686.wqW@ayjAxRgi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.fc
FireEye Generic.mg.f4ad5ea5e364e97f
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Snocry.cj
Avira TR/Dropper.Gen
eGambit Generic.Malware
Microsoft Ransom:Win32/Tescrypt.A
AegisLab Trojan.Win32.Generic.4!c
Acronis suspicious
McAfee Artemis!F4AD5EA5E364
MAX malware (ai score=100)
VBA32 Hoax.Snocry
Panda Generic Suspicious
Rising Ransom.Snocry!8.320 (CLOUD)
Yandex Trojan.GenAsa!hNWSb9ygNgA
Ikarus Trojan.SuspectCRC
Fortinet W32/Generic.AP.413140
AVG Win32:TeslaCrypt-DX [Trj]
Paloalto generic.ml

How to remove Win32:TeslaCrypt-DX [Trj] ransomware?

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:TeslaCrypt-DX [Trj] 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:TeslaCrypt-DX [Trj] 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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