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

What is TrojanSpy:Win32/Aicat.A!ml infection?

In this article you will certainly find about the definition of TrojanSpy:Win32/Aicat.A!ml as well as its negative impact on your computer system. Such ransomware are a type of malware that is specified by online fraudulences to demand paying the ransom money by a target.

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Most of the situations, TrojanSpy:Win32/Aicat.A!ml infection will certainly instruct its sufferers to start funds move for the function of neutralizing the changes that the Trojan infection has introduced to the target’s gadget.

TrojanSpy:Win32/Aicat.A!ml Summary

These adjustments can be as follows:

  • 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.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • 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.
  • Ciphering the documents found on the target’s hard disk — so the victim can no more use the information;
  • Preventing regular accessibility to the target’s workstation;


One of the most common channels where TrojanSpy:Win32/Aicat.A!ml Ransomware Trojans are infused are:

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

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s PC or avoid the tool from operating in a correct way – while additionally putting a ransom money note that discusses the need for the sufferers to impact the payment for the objective of decrypting the files or bring back the data system back to the preliminary problem. In a lot of instances, the ransom money note will show up when the customer restarts the PC after the system has actually already been damaged.

TrojanSpy:Win32/Aicat.A!ml circulation channels.

In various corners of the globe, TrojanSpy:Win32/Aicat.A!ml grows by jumps and bounds. Nonetheless, the ransom notes and also tricks of obtaining the ransom money amount may differ depending on particular regional (local) setups. The ransom money notes and also tricks of obtaining the ransom amount may vary depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

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

    Faulty statements about prohibited material.

    In countries where software piracy is less popular, this approach is not as reliable for the cyber fraudulences. Alternatively, the TrojanSpy:Win32/Aicat.A!ml popup alert may wrongly claim to be originating from a law enforcement organization and will certainly report having located kid pornography or various other unlawful information on the device.

    TrojanSpy:Win32/Aicat.A!ml popup alert might wrongly declare to be obtaining from a regulation enforcement organization as well as will report having located youngster porn or various other unlawful information on the device. The alert will likewise contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 87A331FF
md5: 5019ee2a2881e33d74539a40ad2a705a
name: 5019EE2A2881E33D74539A40AD2A705A.mlw
sha1: d3c4ada70ed68d7e882926d9443bc1970bb800a5
sha256: 0a4f9f4d30c5cf0c677cea98ed3747b8cb4a9eb0879cce048c4b5c9c9865e464
sha512: 78590a93998714383c76ff344bb13f29c89eb513de6b4b141192cc410b2baef2f0f230cba769fddf5a57f4e2e6f3643aa1e89cb2a12c7058608371bc624a3483
ssdeep: 12288:SxmIJQvPkitTbB7FX7z0R3pVn9/crh92lUwP5g44pty:UmoO8itTbnXvSZr/crDbwRg44jy
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

TrojanSpy:Win32/Aicat.A!ml also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.40231914
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/PornoBlocker.80ec2dee
Cybereason malicious.a2881e
Cyren W32/S-5f21cf29!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast FileRepMalware
BitDefender Trojan.GenericKD.40231914
NANO-Antivirus Trojan.Win32.PornoBlocker.fbxwlz
MicroWorld-eScan Trojan.GenericKD.40231914
Tencent Win32.Trojan.Pornoblocker.Srdh
Ad-Aware Trojan.GenericKD.40231914
Sophos Mal/Generic-S
Comodo Malware@#1r3xxq6gua4ng
VIPRE Trojan.Win32.Generic!BT
Emsisoft Trojan.GenericKD.40231914 (B)
Avira TR/PornoBlocker.ttggq
AegisLab Trojan.Win32.Generic.4!c
Microsoft TrojanSpy:Win32/Aicat.A!ml
MAX malware (ai score=94)
Panda Trj/CI.A
Fortinet W32/Generic.AC.3f1c93
AVG FileRepMalware

How to remove TrojanSpy:Win32/Aicat.A!ml 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 TrojanSpy:Win32/Aicat.A!ml 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

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If the guide doesn’t help you to remove TrojanSpy:Win32/Aicat.A!ml you can always ask me in the comments for getting help.

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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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