Win32:Critroni-B [Trj]

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

What is Win32:Critroni-B [Trj] infection?

In this article you will certainly discover regarding the definition of Win32:Critroni-B [Trj] and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet frauds to demand paying the ransom money by a victim.

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In the majority of the situations, Win32:Critroni-B [Trj] ransomware will advise its sufferers to start funds move for the objective of neutralizing the modifications that the Trojan infection has presented to the victim’s device.

Win32:Critroni-B [Trj] Summary

These alterations 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • Steals private information from local Internet browsers;
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • 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;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Clears web history;
  • Ciphering the files located on the target’s hard drive — so the target can no more use the information;
  • Preventing regular access 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
Related domains Ransom-FTX!3006C1989C1D Ransom-FTX!3006C1989C1D

Win32:Critroni-B [Trj]

The most normal channels through which Win32:Critroni-B [Trj] Trojans are injected are:

  • By means of phishing emails;
  • As an effect of customer winding up on a resource that holds a harmful software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or prevent the device from functioning in an appropriate way – while also putting a ransom note that mentions the demand for the sufferers to impact the payment for the function of decrypting the documents or restoring the data system back to the preliminary problem. In many circumstances, the ransom money note will certainly come up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32:Critroni-B [Trj] circulation networks.

In various corners of the world, Win32:Critroni-B [Trj] grows by jumps as well as bounds. Nonetheless, the ransom notes and techniques of extorting the ransom money amount might differ depending on specific neighborhood (regional) settings. The ransom money notes and also methods of extorting the ransom money quantity might vary depending on specific neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software.

    In particular areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the individual to pay the ransom.

    Faulty declarations about illegal web content.

    In countries where software program piracy is less popular, this technique is not as efficient for the cyber frauds. Additionally, the Win32:Critroni-B [Trj] popup alert might wrongly claim to be originating from a police organization and also will report having situated child pornography or various other unlawful information on the gadget.

    Win32:Critroni-B [Trj] popup alert may incorrectly declare to be obtaining from a legislation enforcement institution and will report having located child porn or other unlawful information on the device. The alert will in a similar way have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 8D090093
md5: 3006c1989c1d2e3912f4c6dbb3a14d8e
name: 3006C1989C1D2E3912F4C6DBB3A14D8E.mlw
sha1: 1ea6cae52eaf7d93b30d61ef9522384a631504d9
sha256: 101dbb79a0b8c80ec74046f7bc81a4161fa287e9fd6aa7ec05d16c62632ef229
sha512: bc60fc0e366e1dc14fd169e360c7af0a19e9688763a6ccd63fb8f8e9cac12737e3199b1b4424cd42ece0dcbf43d8c153580113f062501113724e0ece20878600
ssdeep: 12288:RFuvTwIg88kexsIgMatgNGj26M0czuFtwMYx12mzSYgI9u8aOjDtteK:RsT0Lz6VHj2n0cunwMYumzSY19u8a/K
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32:Critroni-B [Trj] also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0040fa101 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.1081
Cynet Malicious (score: 100)
McAfee Ransom-FTX!3006C1989C1D
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Onion.4acea5db
K7GW Trojan ( 0040fa101 )
Cybereason malicious.89c1d2
Symantec Ransom.Cryptolock!g6
ESET-NOD32 a variant of Win32/Filecoder.CTBLocker.A
APEX Malicious
Avast Win32:Critroni-B [Trj]
Kaspersky Trojan-Ransom.Win32.Onion.whf
BitDefender Trojan.GenericKD.44181177
NANO-Antivirus Trojan.Win32.MlwGen.dcnpns
ViRobot Trojan.Win32.CryptoLocker.679936
MicroWorld-eScan Trojan.GenericKD.44181177
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.44181177
Sophos Mal/Generic-R + Mal/Harnig-B
Comodo Malware@#3reop2wxlzzmb
BitDefenderTheta Gen:NN.ZexaF.34692.PeW@aO4!@Wp
VIPRE Trojan.Win32.Critroni.a (v)
TrendMicro Ransom_CRYPCBT.SMA
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.jc
Emsisoft Trojan.GenericKD.44181177 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.ZPACK.Gen
Microsoft Ransom:Win32/Critroni.A
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.GenericKD.44181177
AhnLab-V3 Trojan/Win32.Agent.C430204
Acronis suspicious
VBA32 BScope.TrojanRansom.Critroni
MAX malware (ai score=100)
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CRYPCBT.SMA
Rising Ransom.Onion!8.478 (CLOUD)
Yandex Trojan.GenAsa!VwU6Lt63MzM
Ikarus Trojan-Ransom.CTBLocker
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.DNKK!tr
AVG Win32:Critroni-B [Trj]

How to remove Win32:Critroni-B [Trj] ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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:Critroni-B [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:Critroni-B [Trj] you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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