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

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

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

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In the majority of the instances, TrojanDownloader:Win32/Aicat.A!ml infection will certainly advise its sufferers to start funds transfer for the objective of counteracting the changes that the Trojan infection has introduced to the target’s gadget.

TrojanDownloader:Win32/Aicat.A!ml Summary

These adjustments can be as complies with:

  • Steals private information from local Internet browsers;
  • Exhibits possible ransomware file modification behavior;
  • Network activity detected but not expressed in API logs;
  • Clears Windows events or logs;
  • Ciphering the documents located on the sufferer’s hard disk drive — so the victim can no more use the information;
  • Preventing normal accessibility to the target’s workstation;


The most common channels through which TrojanDownloader:Win32/Aicat.A!ml Trojans are infused are:

  • By methods of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a malicious software application;

As soon as the Trojan is effectively infused, it will either cipher the information on the target’s computer or stop the gadget from operating in a proper way – while additionally positioning a ransom money note that points out the demand for the victims to effect the settlement for the purpose of decrypting the records or restoring the data system back to the initial problem. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been damaged.

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

In different corners of the world, TrojanDownloader:Win32/Aicat.A!ml expands by jumps and bounds. However, the ransom money notes and also tricks of extorting the ransom amount may differ relying on particular regional (local) settings. The ransom money notes as well as methods of extorting the ransom quantity may vary depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the target’s tool. The alert after that demands the customer to pay the ransom.

    Faulty statements about unlawful web content.

    In nations where software piracy is much less prominent, this technique is not as reliable for the cyber fraudulences. Additionally, the TrojanDownloader:Win32/Aicat.A!ml popup alert may wrongly declare to be stemming from a police institution as well as will report having located kid pornography or various other illegal data on the device.

    TrojanDownloader:Win32/Aicat.A!ml popup alert may incorrectly assert to be obtaining from a legislation enforcement organization and also will certainly report having situated youngster pornography or other illegal information on the gadget. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: FFD9F7E7
md5: 042f0b941e67179fb7c5fa70dad5dd8d
name: 042F0B941E67179FB7C5FA70DAD5DD8D.mlw
sha1: ec3b7d892dd6632b7ae92b0bbece23fe614b3c53
sha256: 0cf5c4b3399d094fa0c58399fac521e4b2902db7ae1692aa502f5784ac755d49
sha512: c8d424b1c1284722120aacb4e4eecacc8d2ef4ba1542404bdbd88367ca2e4d235ab02b414cc169aa29f331c4491de2330653c28849a45e8d3ec17b805ec5302a
ssdeep: 12288:sCdOy3vVrKxR5CXbNjAOxK/j2n+4YG/6c1mFFja3mXgcjfRlgsUBgak7pWQ:sCdxte/80jYLT3U1jfsWaspWQ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0053b7301 )
DrWeb Trojan.Encoder.26325
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.AutoIt.Genasom.AG
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Filecoder.c0e32a51
K7GW Trojan ( 0053b7301 )
Cybereason malicious.41e671
Cyren W32/AutoIt.TU.gen!Eldorado
ESET-NOD32 a variant of Win32/Filecoder.NQF
APEX Malicious
Avast FileRepMalware
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.31187304
NANO-Antivirus Trojan.Win32.Encoder.fhzevn
MicroWorld-eScan Trojan.GenericKD.31187304
Ad-Aware Trojan.GenericKD.31187304
Sophos Mal/Generic-R + Mal/AutoIt-AK
Comodo Malware@#1uzwx36rr75pi
F-Secure Heuristic.HEUR/AGEN.1100026
BitDefenderTheta AI:Packer.8DABAF7118
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_EOEO.THIOGAH
FireEye Trojan.GenericKD.31187304
Emsisoft Trojan.GenericKD.31187304 (B)
Webroot W32.Ransom.Gen
Avira HEUR/AGEN.1100026
Microsoft TrojanDownloader:Win32/Aicat.A!ml
Arcabit Trojan.Generic.D1DBE168
AegisLab Trojan.Win32.Generic.4!e
ZoneAlarm HEUR:Trojan-Ransom.Script.Crypren.gen
GData Trojan.GenericKD.31187304
AhnLab-V3 Trojan/Win32.FileCoder.C2718840
McAfee RDN/Ransom
MAX malware (ai score=100)
VBA32 TrojanRansom.Genasom
Malwarebytes Generic.Malware/Suspicious
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_EOEO.THIOGAH
Ikarus Trojan-Ransom.FileCrypter
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Ouroboros.A!tr.ransom
AVG FileRepMalware

How to remove TrojanDownloader: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 TrojanDownloader: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 TrojanDownloader: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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