Ransom:MSIL/HiddenTear.B

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Ransom:MSIL/HiddenTear.B infection?

In this short article you will find concerning the definition of Ransom:MSIL/HiddenTear.B as well as its negative effect on your computer system. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom money by a target.

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In the majority of the situations, Ransom:MSIL/HiddenTear.B infection will advise its targets to start funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the sufferer’s device.

Ransom:MSIL/HiddenTear.B Summary

These adjustments can be as complies with:

  • 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.
  • 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.
  • 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.
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Ciphering the papers situated on the sufferer’s disk drive — so the target can no more use the data;
  • Preventing normal accessibility 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.

Ransom:MSIL/HiddenTear.B

The most common networks through which Ransom:MSIL/HiddenTear.B Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of customer winding up on a source that organizes a harmful software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or stop the device from operating in an appropriate manner – while likewise positioning a ransom note that points out the need for the victims to effect the payment for the purpose of decrypting the papers or recovering the documents system back to the first problem. In the majority of circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has already been harmed.

Ransom:MSIL/HiddenTear.B circulation networks.

In various edges of the globe, Ransom:MSIL/HiddenTear.B expands by jumps as well as bounds. Nevertheless, the ransom notes and techniques of extorting the ransom amount might vary relying on particular local (local) settings. The ransom money notes as well as methods of obtaining the ransom money quantity may vary depending on particular regional (local) settings.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the victim’s device. The alert then requires the user to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software application piracy is much less popular, this method is not as reliable for the cyber fraudulences. Additionally, the Ransom:MSIL/HiddenTear.B popup alert may wrongly claim to be originating from a police establishment as well as will certainly report having situated kid porn or various other unlawful data on the gadget.

    Ransom:MSIL/HiddenTear.B popup alert may incorrectly assert to be deriving from a legislation enforcement institution as well as will report having located youngster porn or various other prohibited information on the gadget. The alert will in a similar way consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: AC400258
md5: ed767d44c52db92cadb925503058c2fb
name: ED767D44C52DB92CADB925503058C2FB.mlw
sha1: 3e06182b2783ff53f57dd2bf4087da9efd89f794
sha256: a7e33f0e5ac49520ed15708b1ba9caabd22d302a222d1a588f55f2c0c5ebd7c3
sha512: a46b7202e4e8eaf9aa53bdf790a8963ab52c37d0584234207f6f5491540c67d7d0b9e51a593ea0af0101c4ffe037f0b646cd085c12858b28b9f844eaf36f3ff3
ssdeep: 3072:5kaa2Qt/lhY/RALSMW9mtp5mKE3lRbWJOu3vq:5+R/8Qtp5mKE3lRbWJO
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

LegalCopyright: Copyright 1999-2012 Firefox and Mozzilla developers. All rights reserved.
Assembly Version: 37.0.2.5583
InternalName: Techniques tricot.exe
FileVersion: 37.0.2.5583
ProductName: Techniques tricot
ProductVersion: 37.0.2.5583
FileDescription: Techniques tricot
OriginalFilename: Techniques tricot.exe
Translation: 0x0000 0x04b0

Ransom:MSIL/HiddenTear.B also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0053fc801 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.12016
Cynet Malicious (score: 99)
ALYac Trojan.Ransom.Jigsaw
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.7507
Sangfor Trojan.Win32.Save.a
Alibaba Ransom:MSIL/Lobzik.f01cb69f
K7GW Trojan ( 0053fc801 )
Cybereason malicious.4c52db
Cyren W32/Jigsaw.A3.gen!Eldorado
Symantec Ransom.Jigsaw
ESET-NOD32 a variant of MSIL/Filecoder.Jigsaw.B
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.MSIL.Lobzik.w
BitDefender Generic.MSIL.Ransomware.Jigsaw.B5580026
NANO-Antivirus Trojan.Win32.Filecoder.enoous
MicroWorld-eScan Generic.MSIL.Ransomware.Jigsaw.B5580026
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Generic.MSIL.Ransomware.Jigsaw.B5580026
Sophos Troj/Jigsaw-B
BitDefenderTheta Gen:NN.ZemsilF.34722.gm0@aCeFOph
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.MSIL.JIGSAW.SMIL
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.ed767d44c52db92c
Emsisoft Generic.MSIL.Ransomware.Jigsaw.B5580026 (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.MSIL.Lobzik
Avira HEUR/AGEN.1116474
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.1F585F0
Microsoft Ransom:MSIL/HiddenTear.B
Arcabit Generic.MSIL.Ransomware.Jigsaw.BD5524FA
AegisLab Trojan.MSIL.Lobzik.j!c
GData MSIL.Trojan-Ransom.Jigsaw.F
McAfee Artemis!ED767D44C52D
MAX malware (ai score=100)
VBA32 CIL.StupidPInvoker-1.Heur
Panda Trj/CI.A
TrendMicro-HouseCall Ransom.MSIL.JIGSAW.SMIL
Yandex Trojan.Lobzik!Xz7pE0tS2Xk
Ikarus Trojan-Ransom.JigSaw
Fortinet MSIL/Filecoder.TA!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom:MSIL/HiddenTear.B 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 Ransom:MSIL/HiddenTear.B 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 Ransom:MSIL/HiddenTear.B 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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