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

What is Hacktool.Flystudio.16558 infection?

In this article you will certainly locate concerning the interpretation of Hacktool.Flystudio.16558 and also its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet frauds to demand paying the ransom by a sufferer.

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Most of the situations, Hacktool.Flystudio.16558 virus will advise its victims to initiate funds move for the function of counteracting the modifications that the Trojan infection has introduced to the victim’s tool.

Hacktool.Flystudio.16558 Summary

These adjustments can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Ciphering the records situated on the target’s hard drive — so the target can no longer utilize 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 networks where Hacktool.Flystudio.16558 are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a source that hosts a harmful software application;

As soon as the Trojan is effectively infused, it will either cipher the data on the victim’s computer or protect against the gadget from operating in an appropriate way – while also placing a ransom money note that states the demand for the targets to effect the settlement for the purpose of decrypting the documents or bring back the documents system back to the initial condition. In most circumstances, the ransom money note will certainly show up when the client reboots the PC after the system has actually currently been harmed.

Hacktool.Flystudio.16558 circulation channels.

In different edges of the globe, Hacktool.Flystudio.16558 expands by leaps as well as bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity might differ relying on specific regional (local) setups. The ransom money notes and also methods of extorting the ransom amount may vary depending on certain local (regional) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In certain locations, the Trojans usually wrongfully report having actually detected some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the customer to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software piracy is less popular, this technique is not as effective for the cyber frauds. Alternatively, the Hacktool.Flystudio.16558 popup alert might incorrectly assert to be originating from a law enforcement establishment and also will certainly report having situated kid pornography or other unlawful information on the gadget.

    Hacktool.Flystudio.16558 popup alert may incorrectly assert to be acquiring from a legislation enforcement establishment and will certainly report having located kid porn or other illegal data on the tool. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: BB4B8B87
md5: 1a1dd1140da337e701bea41a3e8a8f07
name: 1A1DD1140DA337E701BEA41A3E8A8F07.mlw
sha1: c2ebf32b0fb8423fbc3470c680233eaca9b5173d
sha256: 6076632ad5b0c3dedd84769a9b6f13bff1723a2bfa4ab75820aa61df7b33b458
sha512: a19a6ffba552f61da4b4527271d0484da554dae21392b8c41f4a7aa069c3f4ba337f29abfb0ecca6cc4a178dada31f51442039410829a80f6c2338ce74d2c43a
ssdeep: 24576:0BXtXjoRtWLx1Gv+VD535iaZWiXn1A0c0MmAG6dAkQ8k:07UR8HJ535iaZWwn+0c0EHGh8k
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Hacktool.Flystudio.16558 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004bcce41 )
Cynet Malicious (score: 100)
CAT-QuickHeal Hacktool.Flystudio.16558
Zillya Backdoor.BlackHole.Win32.6404
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
K7GW Trojan ( 004bcce41 )
Symantec Trojan.Gen.2
APEX Malicious
NANO-Antivirus Trojan.Win32.BlackHole.dkljvy
Comodo Malware@#3um0iiy31phi0
McAfee-GW-Edition BehavesLike.Win32.VirRansom.tc
FireEye Generic.mg.1a1dd1140da337e7
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor/Blackhole.dgq
Webroot w32.malware.gen
Microsoft Program:Win32/Wacapew.C!ml
TACHYON Backdoor/W32.BlackHole.1343086
McAfee Artemis!1A1DD1140DA3
MAX malware (ai score=99)

How to remove Hacktool.Flystudio.16558 virus?

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 Hacktool.Flystudio.16558 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 Hacktool.Flystudio.16558 you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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