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

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

In this post you will locate concerning the meaning of Ransom:Win32/Aicat.A!ml and also its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on-line frauds to require paying the ransom money by a target.

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In the majority of the cases, Ransom:Win32/Aicat.A!ml ransomware will certainly advise its targets to launch funds move for the function of reducing the effects of the modifications that the Trojan infection has presented to the target’s tool.

Ransom:Win32/Aicat.A!ml Summary

These modifications 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.
  • 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.
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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.
  • Ciphering the papers located on the sufferer’s disk drive — so the target can no more use the data;
  • Preventing normal 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.


One of the most typical networks through which Ransom:Win32/Aicat.A!ml Ransomware are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that holds a malicious software;

As soon as the Trojan is successfully injected, it will either cipher the data on the target’s PC or prevent the device from working in a proper fashion – while likewise placing a ransom note that states the demand for the sufferers to impact the payment for the purpose of decrypting the records or restoring the file system back to the first condition. In the majority of circumstances, the ransom money note will come up when the client restarts the PC after the system has already been harmed.

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

In different corners of the globe, Ransom:Win32/Aicat.A!ml expands by leaps as well as bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money quantity might vary depending upon certain regional (regional) settings. The ransom notes and also tricks of extorting the ransom amount might differ depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having spotted some unlicensed applications allowed on the victim’s tool. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In nations where software piracy is much less popular, this method is not as effective for the cyber scams. Additionally, the Ransom:Win32/Aicat.A!ml popup alert may falsely assert to be stemming from a police organization and also will certainly report having located youngster porn or various other illegal data on the gadget.

    Ransom:Win32/Aicat.A!ml popup alert might wrongly declare to be obtaining from a regulation enforcement establishment as well as will certainly report having located youngster pornography or other unlawful information on the gadget. The alert will similarly have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: CFAD8D85
md5: d1a66bcf926b5006d507f2118a12415d
name: D1A66BCF926B5006D507F2118A12415D.mlw
sha1: 9ff86685dfbfb992a80d568f1f790c0a6135f5ad
sha256: 5a11f22db04eb192b69e0579e39fcda8eeb45002fa86063e0af125c56a3b0879
sha512: c9225f79992d2e1313302c031380578f647aabe28e86ab8771c3d90da2b70db7412b4a1b6ddb35b3293144e50845f06148cd84b787e71a392d01455bfa6c2a54
ssdeep: 24576:ZnEb/bjJuz/UD/nSN5cjRIozo3aNJ4WjGjzqwaKtoKV+x:ZnETboz/wPVIoU3aNJFjoBhof
type: MS-DOS executable, MZ for MS-DOS

Version Info:

Translation: 0x0804 0x04b0

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0052c8a31 )
Elastic malicious (high confidence)
DrWeb Trojan.Obfuscated.based.1
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Dorv.6780
ALYac Gen:Variant.Kazy.258940
Cylance Unsafe
Zillya Backdoor.Klon.Win32.3025
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
K7GW Trojan ( 0052c8a31 )
Cybereason malicious.f926b5
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Generik.LBICPDO
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Ransomware.FileCoder-9853970-0
BitDefender Gen:Variant.Kazy.258940
NANO-Antivirus Trojan.Win32.Dorv.fcecii
MicroWorld-eScan Gen:Variant.Kazy.258940
Tencent Malware.Win32.Gencirc.10b68ecb
Ad-Aware Gen:Variant.Kazy.258940
Sophos ML/PE-A
Comodo Malware@#22dl8fll5xhxw
BitDefenderTheta Gen:NN.ZexaF.34690.9u3@aiVZ28pj
VIPRE Trojan-Dropper.Win32.Resdro.b (v) (not malicious)
McAfee-GW-Edition BehavesLike.Win32.Generic.dc
FireEye Generic.mg.d1a66bcf926b5006
Emsisoft Gen:Variant.Kazy.258940 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cdmws
Avira TR/Dorv.qfokv
Antiy-AVL Trojan/Generic.ASMalwS.A87EE2
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/Aicat.A!ml
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Kazy.258940
TACHYON Banker/W32.ClipBanker.1005807
AhnLab-V3 Trojan/Win32.Backdoor.R162005
Acronis suspicious
McAfee BackDoor-EXZ
MAX malware (ai score=99)
VBA32 Trojan.Fakeoff
Malwarebytes Malware.AI.3090422851
Panda Trj/Genetic.gen
Yandex Trojan.GenAsa!YWP94ckBhPs
Ikarus Backdoor.Win32.Inject
Fortinet W32/Generic.AC.242CD!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom: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 Ransom: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:

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If the guide doesn’t help you to remove Ransom:Win32/Aicat.A!ml 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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