Win32:TeslaCrypt-BO [Trj]

Written by Robert Bailey

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

In this article you will locate regarding the definition of Win32:TeslaCrypt-BO [Trj] as well as its negative influence on your computer system. Such ransomware are a type of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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In the majority of the instances, Win32:TeslaCrypt-BO [Trj] ransomware will certainly advise its victims to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Win32:TeslaCrypt-BO [Trj] Summary

These modifications 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.
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Tatar;
  • Looks up the external IP address;
  • 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;
  • Exhibits behavior characteristic of Alphacrypt/Teslacrypt ransomware;
  • 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 identify installed AV products by registry key;
  • 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.;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the sufferer’s hard disk — so the sufferer can no longer use the information;
  • Preventing routine accessibility 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.
Similar behavior
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www.sacalmaco.com Ransom.TeslaCrypt.WR4
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djdkduep62kz4nzx.tor2web.org Ransom.TeslaCrypt.WR4

Win32:TeslaCrypt-BO [Trj]

One of the most typical channels through which Win32:TeslaCrypt-BO [Trj] are infused are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a harmful software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s PC or stop the device from operating in a correct fashion – while additionally placing a ransom note that mentions the requirement for the targets to effect the settlement for the objective of decrypting the records or restoring the file system back to the preliminary problem. In most instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32:TeslaCrypt-BO [Trj] circulation networks.

In various edges of the world, Win32:TeslaCrypt-BO [Trj] expands by leaps as well as bounds. Nonetheless, the ransom money notes and also techniques of obtaining the ransom money quantity may vary depending on particular regional (regional) setups. The ransom notes and also methods of obtaining the ransom money amount may differ depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software program.

    In specific locations, the Trojans often wrongfully report having detected some unlicensed applications made it possible for on the target’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In countries where software piracy is less popular, this approach is not as efficient for the cyber scams. Additionally, the Win32:TeslaCrypt-BO [Trj] popup alert might wrongly declare to be deriving from a law enforcement institution as well as will certainly report having situated child porn or other unlawful data on the tool.

    Win32:TeslaCrypt-BO [Trj] popup alert may incorrectly claim to be deriving from a regulation enforcement establishment as well as will report having located child pornography or other illegal information on the gadget. The alert will similarly consist of a demand for the user to pay the ransom.

Technical details

File Info:

crc32: ABEFB234
md5: 1449cdc2acb385e8326dfd0364e67d25
name: 1449CDC2ACB385E8326DFD0364E67D25.mlw
sha1: 27ec595e01e4c89fb17a895bced8b84871355df4
sha256: 7007b16d76f879588fbbaef6ed77de0be778d38b09ace3740d50068937334dab
sha512: d660379a13c169ca0690a64cf5427d75ca71030e61bcc2795d6ddbd41d21028b453487c170db74303aa6c2c76d188272c8f6ad049ac4e579c6aaf738590d8c0b
ssdeep: 6144:Y9Jy1mYCrFLXOppiFWDKvZBjtgnbEufzKB/xL4lkY:YvyUYsXWpiVztebEWz+Z4eY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Peripheral xa9 1977
InternalName: Paddock
FileVersion: 204, 231, 219, 22
CompanyName: Phantombility, Inc
ProductName: Pantry Railway
FileDescription: Raids
OriginalFilename: Nurse.exe

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e3ef1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.1764
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.TeslaCrypt.WR4
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.755
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Yakes.defabc8f
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.2acb38
Symantec Packed.Generic.490
ESET-NOD32 Win32/Filecoder.TeslaCrypt.E
APEX Malicious
Avast Win32:TeslaCrypt-BO [Trj]
Kaspersky Trojan.Win32.Yakes.nrqn
BitDefender Trojan.Cripack.Gen.1
NANO-Antivirus Trojan.Win32.Encoder.dvvive
MicroWorld-eScan Trojan.Cripack.Gen.1
Tencent Malware.Win32.Gencirc.114c7b34
Ad-Aware Trojan.Cripack.Gen.1
Sophos Mal/Generic-S
Comodo Malware@#1l36erg8xvog6
BitDefenderTheta Gen:NN.ZexaF.34692.vu3@aerZ5LhH
VIPRE Trojan.Win32.Generic!BT
TrendMicro Cryp_HpMyApp
McAfee-GW-Edition TeslaCrypt!1449CDC2ACB3
FireEye Generic.mg.1449cdc2acb385e8
Emsisoft Trojan.Cripack.Gen.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Yakes.vga
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1125260
eGambit Generic.Malware
Antiy-AVL Trojan/Generic.ASMalwS.27F9B5D
Microsoft Ransom:Win32/Tescrypt!rfn
Arcabit Trojan.Cripack.Gen.1
GData Trojan.Cripack.Gen.1
AhnLab-V3 Trojan/Win32.Teslacrypt.C957665
McAfee TeslaCrypt!1449CDC2ACB3
MAX malware (ai score=100)
VBA32 BScope.Trojan.Downloader
Panda Trj/Genetic.gen
TrendMicro-HouseCall Cryp_HpMyApp
Rising Ransom.Tescrypt!8.3AF (CLOUD)
Yandex Trojan.GenAsa!XKPw9mNULx0
Ikarus Trojan.Win32.Filecoder
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Papras.EH!tr
AVG Win32:TeslaCrypt-BO [Trj]
Paloalto generic.ml

How to remove Win32:TeslaCrypt-BO [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-BO [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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32:TeslaCrypt-BO [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: http://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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