Ransom.Troldesh

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

What is Ransom.Troldesh infection?

In this short article you will find regarding the definition of Ransom.Troldesh and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the cases, Ransom.Troldesh infection will certainly instruct its targets to launch funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the target’s tool.

Ransom.Troldesh 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.
  • 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.;
  • Attempts to connect to a dead IP:Port (10 unique times);
  • Starts servers listening on 127.0.0.1:48625;
  • 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.

  • 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.
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to delete volume shadow copies;
  • Installs Tor on the infected machine;
  • 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;
  • Collects information about installed applications;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the sufferer’s hard drive — so the victim can no more utilize the data;
  • Preventing routine access to the target’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
Related domains
ipv4bot.whatismyipaddress.comTrojan-Ransom.Win32.Shade.qjq

Ransom.Troldesh

The most regular channels through which Ransom.Troldesh Ransomware are infused are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a source that holds a harmful software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or protect against the tool from functioning in a proper fashion – while likewise placing a ransom note that points out the demand for the sufferers to impact the repayment for the purpose of decrypting the documents or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom note will certainly show up when the client restarts the PC after the system has actually currently been damaged.

Ransom.Troldesh distribution networks.

In various corners of the world, Ransom.Troldesh grows by jumps as well as bounds. Nonetheless, the ransom money notes and tricks of obtaining the ransom money quantity might vary depending on particular regional (local) setups. The ransom notes and also techniques of extorting the ransom money amount may differ depending on certain neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In particular areas, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the victim’s gadget. The sharp after that demands the user to pay the ransom.

    Faulty declarations regarding unlawful content.

    In nations where software program piracy is much less popular, this method is not as effective for the cyber frauds. Alternatively, the Ransom.Troldesh popup alert might falsely assert to be stemming from a police organization and also will certainly report having situated youngster porn or other prohibited data on the device.

    Ransom.Troldesh popup alert may wrongly assert to be obtaining from a law enforcement institution and also will report having situated kid porn or various other unlawful information on the tool. The alert will likewise consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: ADD40D13
md5: 0eef75deaea6806d3dde5b83c3b625f6
name: 2c.jpg
sha1: dcaedcc047db68c979263293a0a767e52bc88d15
sha256: 7ce52df2e1186532c119b3ad42fad1012bb78e6393bff209086dec386bbd49af
sha512: 2e5a2bbc751c3349a393484215f5792d284727e8338414e55c4a13fa7f52dc93b0eb4c75efce79cbd138bcf44d4c2a279a68c7bf51bf9afc0b5d0b5f5a03ec6b
ssdeep: 24576:hGf04SoHT5/a30mSfflaDtBQMcFXxqL1wDYXT8Qh0L4HREppTmSm9TbL2:h5m/wafflkPQtRQ/T8A0sxITmFbK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Carbon3D Copyright xa9 2013. All rights reserved.
InternalName: Javascripts
FileVersion: 8.5.41.9
CompanyName: Carbon3D
PrivateBuild: 8.5.41.9
LegalTrademarks: Carbon3D Copyright xa9 2013. All rights reserved.
Comments: Win9x Disposing Pattersn Perspectivecamera
ProductName: Javascripts
ProductVersion: 8.5.41.9
FileDescription: Win9x Disposing Pattersn Perspectivecamera
OriginalFilename: Javascripts
Translation: 0x0409 0x04b0

Ransom.Troldesh also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanTrojan.GenericKD.42074851
FireEyeGeneric.mg.0eef75deaea6806d
McAfeeArtemis!0EEF75DEAEA6
SangforMalware
K7AntiVirusTrojan ( 0055c8161 )
BitDefenderTrojan.GenericKD.32768043
K7GWTrojan ( 0055c8161 )
CrowdStrikewin/malicious_confidence_90% (W)
SymantecML.Attribute.HighConfidence
APEXMalicious
ClamAVWin.Trojan.Agent-7419326-0
GDataTrojan.GenericKD.32768043
KasperskyTrojan-Ransom.Win32.Shade.qjq
NANO-AntivirusTrojan.Win32.Generic.gjrsdo
AegisLabTrojan.Win32.Shade.tqV8
RisingTrojan.Generic@ML.96 (RDML:c5hExLJoqIIjEDr3J4XyJg)
Endgamemalicious (high confidence)
F-SecureTrojan.TR/AD.Troldesh.brbyh
DrWebTrojan.Encoder.858
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Worm.tc
SophosMal/Generic-S
IkarusTrojan.Win32.Agent
AviraTR/AD.Troldesh.brbyh
MAXmalware (ai score=82)
ArcabitTrojan.Generic.D1F4002B
ZoneAlarmTrojan-Ransom.Win32.Shade.qjq
MicrosoftTrojan:Win32/Occamy.B
Acronissuspicious
Ad-AwareTrojan.GenericKD.32768043
MalwarebytesRansom.Troldesh
ESET-NOD32a variant of Win32/GenKryptik.DYXB
SentinelOneDFI – Suspicious PE
FortinetW32/Kryptik.GVSM!tr
BitDefenderThetaGen:NN.ZexaF.32515.Br0@aa9B9bhi
AVGFileRepMalware
Cybereasonmalicious.047db6
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Ransom.f4d

How to remove Ransom.Troldesh 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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 install-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.Troldesh 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 Ransom.Troldesh 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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