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

What is Trojan:Win32/Ymacco.AA5F infection?

In this post you will discover about the meaning of Trojan:Win32/Ymacco.AA5F as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the instances, Trojan:Win32/Ymacco.AA5F infection will certainly advise its targets to launch funds move for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the victim’s gadget.

Trojan:Win32/Ymacco.AA5F Summary

These alterations can be as follows:

  • Detected script timer window indicative of sleep style evasion;
  • 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.

  • A process created a hidden window;
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • 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 files found on the target’s hard drive — so the victim can no longer utilize the information;
  • Preventing normal access to the sufferer’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 common channels where Trojan:Win32/Ymacco.AA5F Ransomware Trojans are injected 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 a repercussion of customer winding up on a source that organizes a harmful software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or prevent the gadget from operating in a correct way – while also positioning a ransom note that mentions the need for the targets to effect the settlement for the function of decrypting the papers or recovering the file system back to the preliminary problem. In many circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Ymacco.AA5F distribution networks.

In different edges of the globe, Trojan:Win32/Ymacco.AA5F grows by jumps and bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom amount may differ relying on particular local (regional) settings. The ransom money notes and methods of obtaining the ransom money quantity might differ depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the victim’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty statements concerning illegal content.

    In nations where software program piracy is much less preferred, this method is not as reliable for the cyber scams. Conversely, the Trojan:Win32/Ymacco.AA5F popup alert may falsely assert to be deriving from a law enforcement organization and will report having located child porn or other illegal data on the gadget.

    Trojan:Win32/Ymacco.AA5F popup alert might falsely declare to be obtaining from a law enforcement establishment and also will certainly report having situated kid pornography or various other illegal information on the gadget. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 147560B7
md5: 3971aedd89deabb34399a7eb32e6bd96
name: 3971AEDD89DEABB34399A7EB32E6BD96.mlw
sha1: 3a36e1aa2fa0fb92ef55f6b9a1a3f39a95e19147
sha256: 82902f13b895c92b0995e65d4de03ff0cd50d89bbc027dc5e7ec338d9bede821
sha512: c2c9cb558f45360e02fbfa5909fb257f179c4d9d07b8b326237d9cf75e87003e39c82075d914b0f5a00fbd677b95e50debcbc9161228f0685489fb5fe68825ac
ssdeep: 12288:YY20AljdZgBPfKfxVST7whturB+1LtIcXFJ2VRQV5YoUNmOJYWjD2IZPMagGL:920gPgFKbE7ag+LlcnQjYoomwYWjfJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA5F also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Agent.EZMQ
McAfee Artemis!3971AEDD89DE
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
CrowdStrike win/malicious_confidence_80% (D)
BitDefender Trojan.Agent.EZMQ
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Arcabit Trojan.Agent.EZMQ
Symantec Ransom.Wannacry
APEX Malicious
Kaspersky Backdoor.Win32.Dridex.bew
Alibaba Backdoor:Win32/Dridex.fda8b3e4
ViRobot Trojan.Win32.Z.Dridex.964387
Tencent Win32.Backdoor.Dridex.Lkxl
Ad-Aware Trojan.Agent.EZMQ
Emsisoft Trojan.Agent.EZMQ (B)
Comodo Malware@#1vtvncmhxxj2r
F-Secure Trojan.TR/AD.Dridex.xpsli
DrWeb Trojan.Dridex.735
TrendMicro Trojan.Win32.MALREP.THKBFBO
McAfee-GW-Edition BehavesLike.Win32.Dropper.dc
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Dridex
Avira TR/AD.Dridex.xpsli
MAX malware (ai score=84)
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Ymacco.AA5F
ZoneAlarm Backdoor.Win32.Dridex.bew
GData Trojan.Agent.EZMQ
Cynet Malicious (score: 100)
ALYac Trojan.Dridex.A
Malwarebytes Trojan.Dropper
ESET-NOD32 Win32/Dridex.DD
TrendMicro-HouseCall Trojan.Win32.MALREP.THKBFBO
Fortinet W32/Dridex.DD!tr
AVG FileRepMalware
Cybereason malicious.a2fa0f
Qihoo-360 Generic/HEUR/QVM06.3.849C.Malware.Gen

How to remove Trojan:Win32/Ymacco.AA5F 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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The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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/Ymacco.AA5F 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 Trojan:Win32/Ymacco.AA5F you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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