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

What is Trojan.Win32.Vilsel.ctat infection?

In this article you will discover concerning the interpretation of Trojan.Win32.Vilsel.ctat and its adverse influence on your computer. Such ransomware are a form of malware that is clarified by on the internet frauds to require paying the ransom money 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 | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the cases, Trojan.Win32.Vilsel.ctat infection will advise its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has presented to the target’s gadget.

Trojan.Win32.Vilsel.ctat 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.
  • A process attempted to delay the analysis task.;
  • Uses Windows utilities for basic functionality;
  • 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.
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the target’s hard disk drive — so the sufferer can no more use the information;
  • Preventing regular 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.


The most common channels where Trojan.Win32.Vilsel.ctat 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 an effect of individual ending up on a resource that hosts a malicious software application;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the sufferer’s PC or stop the tool from working in a proper fashion – while additionally putting a ransom money note that states the requirement for the sufferers to impact the repayment for the purpose of decrypting the papers or recovering the file system back to the preliminary problem. In a lot of circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has already been damaged.

Trojan.Win32.Vilsel.ctat distribution channels.

In numerous corners of the world, Trojan.Win32.Vilsel.ctat expands by leaps and bounds. Nevertheless, the ransom money notes and methods of extorting the ransom money quantity might vary relying on particular regional (local) settings. The ransom money notes and also methods of obtaining the ransom money quantity might vary depending on specific local (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the target’s tool. The alert then requires the customer to pay the ransom.

    Faulty statements about prohibited web content.

    In nations where software piracy is much less preferred, this method is not as effective for the cyber fraudulences. Additionally, the Trojan.Win32.Vilsel.ctat popup alert might incorrectly claim to be deriving from a law enforcement institution and also will certainly report having located kid porn or various other illegal information on the gadget.

    Trojan.Win32.Vilsel.ctat popup alert may incorrectly claim to be obtaining from a legislation enforcement institution as well as will certainly report having situated youngster porn or various other prohibited data on the gadget. The alert will likewise contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 25405FB0
md5: 9fdb64dc5e3f6d02253adcb9810417d0
name: 9FDB64DC5E3F6D02253ADCB9810417D0.mlw
sha1: 97989a9bdce0173396e13564802b0ede8da56a62
sha256: 46eb35cf6509709abfc1395c3981023acc48b89fb1ca3616375660f89c81f7b2
sha512: d61a356e650ae9f2a292bc79e15102b543f3fca80acf17e3e72832cc3244a5950afade1b9397434b38f93479a3d39806dc7ec7be02320be09907881bc27553a7
ssdeep: 1536:iSgk9nTBF57p1y+msoSJYVLIJgE9lUCwcx7rj0re+e8iSSUBOSI:iSjn57pw+msoSiRIJgE9lUCwcx7rj0r
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
InternalName: ABU
FileVersion: 1.00
CompanyName: INC
ProductName: Project1
ProductVersion: 1.00
OriginalFilename: ABU.txt

Trojan.Win32.Vilsel.ctat also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus P2PWorm ( 000762691 )
Elastic malicious (high confidence)
ALYac Gen:Trojan.TaskDisabler.fm0@aqd4XLfi
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Worm:Win32/Vilsel.ce7a375e
K7GW P2PWorm ( 000762691 )
Cybereason malicious.c5e3f6
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/VB.NYT
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan.Win32.Vilsel.ctat
BitDefender Gen:Trojan.TaskDisabler.fm0@aqd4XLfi
NANO-Antivirus Trojan.Win32.Vilsel.fjnjiz
MicroWorld-eScan Gen:Trojan.TaskDisabler.fm0@aqd4XLfi
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Trojan.TaskDisabler.fm0@aqd4XLfi
Sophos Mal/Generic-S
Comodo Malware@#1d4snh0pog3p0
BitDefenderTheta Gen:NN.ZevbaF.34722.fm0@aqd4XLfi
Emsisoft Gen:Trojan.TaskDisabler.fm0@aqd4XLfi (B)
Jiangmin Trojan.Vilsel.bxy
eGambit Unsafe.AI_Score_99%
Antiy-AVL Trojan/Generic.ASMalwS.28B2CBA
Microsoft Ransom:Win32/Genasom
AegisLab Trojan.Win32.Vilsel.4!c
GData Gen:Trojan.TaskDisabler.fm0@aqd4XLfi
TACHYON Trojan/W32.VB-Vilsel.86016.D
McAfee Artemis!9FDB64DC5E3F
MAX malware (ai score=100)
VBA32 Trojan.Vilsel
Yandex Trojan.GenAsa!eToGaNgJvGQ
Ikarus Worm.Win32.VB
Fortinet W32/Vilsel.CTAT!tr
AVG FileRepMalware

How to remove Trojan.Win32.Vilsel.ctat 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.Win32.Vilsel.ctat 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.Win32.Vilsel.ctat 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

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.

Leave a Reply