Trojan-Ransom.Win32.Crypren.adhd

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

What is Trojan-Ransom.Win32.Crypren.adhd infection?

In this post you will certainly locate concerning the interpretation of Trojan-Ransom.Win32.Crypren.adhd and also its adverse impact on your computer system. Such ransomware are a kind of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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Most of the cases, Trojan-Ransom.Win32.Crypren.adhd infection will advise its victims to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has introduced to the target’s device.

Trojan-Ransom.Win32.Crypren.adhd Summary

These alterations 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.
  • 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.

  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the victim’s hard disk — so the target can no longer make use of the data;
  • Preventing normal accessibility 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.

Trojan-Ransom.Win32.Crypren.adhd

The most common networks where Trojan-Ransom.Win32.Crypren.adhd 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 user winding up on a resource that hosts a destructive software;

As soon as the Trojan is effectively injected, it will either cipher the data on the target’s computer or avoid the gadget from operating in a proper way – while likewise putting a ransom money note that points out the demand for the targets to effect the settlement for the purpose of decrypting the records or bring back the file system back to the initial problem. In most circumstances, the ransom money note will show up when the client restarts the COMPUTER after the system has currently been damaged.

Trojan-Ransom.Win32.Crypren.adhd distribution channels.

In different edges of the globe, Trojan-Ransom.Win32.Crypren.adhd expands by jumps as well as bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom money quantity may differ depending upon particular neighborhood (local) setups. The ransom money notes and methods of extorting the ransom amount may differ depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having identified some unlicensed applications made it possible for on the target’s gadget. The alert then demands the customer to pay the ransom money.

    Faulty statements regarding prohibited content.

    In countries where software application piracy is less popular, this approach is not as effective for the cyber scams. Conversely, the Trojan-Ransom.Win32.Crypren.adhd popup alert might incorrectly declare to be stemming from a police establishment and will certainly report having situated kid porn or other unlawful data on the device.

    Trojan-Ransom.Win32.Crypren.adhd popup alert may falsely claim to be obtaining from a regulation enforcement institution as well as will certainly report having situated child pornography or other unlawful data on the device. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 5C383648
md5: 28c67a582e4116cd44dd020493495f8e
name: setup_tutorial_usb.exe
sha1: 3e33894b78683c4d2e68afc66f41d03f59295542
sha256: 0da8e5ef67bb110c3ab4c3631f891821d5651caef5121aaa5d51b32d3966a13c
sha512: b8c1b7186af0f8de39e9673e071dc4a8d351128468439487b0c88e21d6b79746d35e66dcb2b8b946d4ade08ec943f21eae9aea2062ba7263324840810ddd81d8
ssdeep: 196608:SI8xL4ZzIRrUukaPgzWv/LAm5E6DjOjmeh2GE8S:SdYsrB/LAm5DmKXr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: 2004 CCS Inc.
FileDescription: Install USB Examples
FileVersion: 1.0
CompanyName: CCS Inc.
Translation: 0x0409 0x04e4

Trojan-Ransom.Win32.Crypren.adhd also known as:

GridinSoftTrojan.Ransom.Gen
CAT-QuickHealTrojan.Presenoker
Qihoo-360Win32/Trojan.Ransom.ef6
McAfeeArtemis!28C67A582E41
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforMalware
KasperskyTrojan-Ransom.Win32.Crypren.adhd
AlibabaRansom:Win32/Crypren.c02904f0
NANO-AntivirusTrojan.Win32.Crypren.eryxto
ViRobotTrojan.Win32.Z.Crypren.7389509
TencentWin32.Trojan.Crypren.Htmk
SophosGeneric PUA DO (PUA)
McAfee-GW-EditionArtemis!Trojan
WebrootW32.Trojan.RansomKD
AegisLabTrojan.Win32.Crypren.j!c
ZoneAlarmTrojan-Ransom.Win32.Crypren.adhd
MicrosoftTrojan:Win32/Wacatac.C!ml
VBA32Hoax.Crypren
YandexTrojan.Crypren!XBChCeDKTOs
FortinetW32/Crypren.ADHD!tr
AVGFileRepMetagen [Malware]
CrowdStrikewin/malicious_confidence_60% (W)
MaxSecureTrojan.Malware.11285780.susgen

How to remove Trojan-Ransom.Win32.Crypren.adhd 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

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 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 Trojan-Ransom.Win32.Crypren.adhd 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan-Ransom.Win32.Crypren.adhd 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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