Written by Robert Bailey

What is Trojan-Ransom.Win32.Onion.vyb infection?

In this post you will locate regarding the meaning of Trojan-Ransom.Win32.Onion.vyb as well as its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on-line frauds to demand paying the ransom by a sufferer.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

Most of the situations, Trojan-Ransom.Win32.Onion.vyb ransomware will advise its targets to initiate funds move for the function of counteracting the amendments that the Trojan infection has presented to the sufferer’s gadget.

Trojan-Ransom.Win32.Onion.vyb Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Expresses interest in specific running processes;
  • Reads data out of its own binary image;
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Creates a known CTB-Locker ransomware decryption instruction / key file.;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the records located on the sufferer’s hard drive — so the target can no more utilize the data;
  • Preventing regular accessibility to the target’s workstation;

Related domains: Ransom.Critroni.A3 Ransom.Critroni.A3


One of the most typical channels through which Trojan-Ransom.Win32.Onion.vyb Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or protect against the device from functioning in an appropriate fashion – while also putting a ransom note that mentions the demand for the victims to impact the repayment for the purpose of decrypting the files or restoring the file system back to the initial problem. In most circumstances, the ransom note will come up when the customer restarts the PC after the system has actually currently been harmed.

Trojan-Ransom.Win32.Onion.vyb circulation channels.

In different edges of the globe, Trojan-Ransom.Win32.Onion.vyb grows by leaps and bounds. Nonetheless, the ransom notes and also tricks of extorting the ransom amount might differ depending upon specific regional (regional) settings. The ransom notes and also techniques of extorting the ransom amount may differ depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications enabled on the sufferer’s gadget. The alert then demands the user to pay the ransom.

    Faulty declarations regarding illegal content.

    In nations where software piracy is less popular, this approach is not as reliable for the cyber frauds. Additionally, the Trojan-Ransom.Win32.Onion.vyb popup alert might falsely declare to be deriving from a law enforcement establishment and will report having located kid porn or various other prohibited data on the device.

    Trojan-Ransom.Win32.Onion.vyb popup alert might wrongly claim to be deriving from a legislation enforcement institution as well as will report having situated kid porn or other unlawful information on the device. The alert will similarly contain a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 31066EB8
md5: 3dee1c83850c6b794f6c255851d77303
name: 3DEE1C83850C6B794F6C255851D77303.mlw
sha1: f1fd401bebeb5a2f4b2e153529f4163aa5f35fcb
sha256: d47e63e88b2a638dc147d782514506c955772a374694177654cdd431b8a7ed21
sha512: b8c6609aa0d6456e8732ae12870d61b09c2c4da16396690852ed4f5b63cc060383a35d85f530eb8e50992b19ca078b584830979264482dbd464799ecc56a7ad0
ssdeep: 12288:i8tnw6cXziq96AW5V0S+laMNYMMc1gEZG+x2TVXVHq5aLnJIPkZ2svzctpX:iIj4iqcAWsSerqMP1VGaIVHZtf7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0c07 0x04b0
InternalName: Anticosmetics2
FileVersion: 1.00
CompanyName: Halon Krusk
Comments: Kalenderfilen1
ProductName: Arriere
ProductVersion: 1.00
FileDescription: Limeberries
OriginalFilename: Anticosmetics2.exe

Trojan-Ransom.Win32.Onion.vyb also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0055e3ef1 )
Lionic Trojan.Win32.Onion.j!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.858
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Critroni.A3
ALYac Gen:Heur.PonyStealer.Vm0@dKhMtXx
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 0055e3ef1 )
Cybereason malicious.3850c6
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.CTBLocker.A
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Onion.vyb
BitDefender Gen:Heur.PonyStealer.Vm0@dKhMtXx
NANO-Antivirus Trojan.Win32.Encoder.ecfjgi
MicroWorld-eScan Gen:Heur.PonyStealer.Vm0@dKhMtXx
Tencent Win32.Trojan.Onion.Lpcg
Ad-Aware Gen:Heur.PonyStealer.Vm0@dKhMtXx
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZevbaF.34142.Vm0@aKhMtXx
VIPRE Trojan.Win32.Generic!BT
TrendMicro TrojanSpy.Win32.FAREIT.SMAL01.hp
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.bc
Emsisoft Gen:Heur.PonyStealer.Vm0@dKhMtXx (B)
SentinelOne Static AI – Malicious PE
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1130126
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Critroni
Arcabit Trojan.PonyStealer.E01BD1
GData Gen:Heur.PonyStealer.Vm0@dKhMtXx
AhnLab-V3 Win-Trojan/VBKrypt.RP.X1764
McAfee Artemis!3DEE1C83850C
MAX malware (ai score=83)
VBA32 Hoax.Onion
Malwarebytes MachineLearning/Anomalous.100%
Panda Trj/Genetic.gen
TrendMicro-HouseCall TrojanSpy.Win32.FAREIT.SMAL01.hp
Yandex Trojan.Onion!bAuv30L8Tpk
Ikarus Trojan.Win32.Filecoder
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/CTBLocker.C!tr.ransom
AVG Win32:Malware-gen

How to remove Trojan-Ransom.Win32.Onion.vyb 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 Trojan-Ransom.Win32.Onion.vyb 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 Trojan-Ransom.Win32.Onion.vyb you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.