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

What is Trojan:Win32/Ymacco.AB2C infection?

In this post you will discover about the interpretation of Trojan:Win32/Ymacco.AB2C and also its negative influence on your computer system. Such ransomware are a kind of malware that is specified by online frauds to demand paying the ransom by a sufferer.

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In the majority of the situations, Trojan:Win32/Ymacco.AB2C infection will certainly instruct its sufferers to start funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the sufferer’s device.

Trojan:Win32/Ymacco.AB2C Summary

These adjustments can be as follows:

  • Creates RWX memory;
  • Reads data out of its own binary image;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Anomalous binary characteristics;
  • Ciphering the papers situated on the victim’s hard drive — so the target can no more make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains: Trojan.MSIL.PolyRansom.j!c


The most typical channels whereby Trojan:Win32/Ymacco.AB2C Ransomware are infused are:

  • By ways of phishing emails;
  • As an effect of individual ending up on a resource that hosts a harmful software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or protect against the device from functioning in a proper way – while also positioning a ransom note that mentions the demand for the targets to impact the settlement for the objective of decrypting the papers or restoring the documents system back to the first problem. In the majority of instances, the ransom money note will certainly show up when the client reboots the PC after the system has already been harmed.

Trojan:Win32/Ymacco.AB2C distribution networks.

In numerous corners of the world, Trojan:Win32/Ymacco.AB2C expands by leaps as well as bounds. Nevertheless, the ransom money notes and also techniques of extorting the ransom amount might differ depending upon specific local (regional) setups. The ransom money notes and also techniques of obtaining the ransom money quantity may differ depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the target’s tool. The sharp after that demands the user to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In countries where software piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Trojan:Win32/Ymacco.AB2C popup alert might incorrectly assert to be deriving from a law enforcement institution as well as will certainly report having situated child porn or various other illegal information on the tool.

    Trojan:Win32/Ymacco.AB2C popup alert might wrongly assert to be acquiring from a law enforcement institution and will report having situated kid pornography or various other prohibited data on the device. The alert will in a similar way include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 665A71BB
md5: 69a3690d855d5f54b013c0d453efedfa
name: 69A3690D855D5F54B013C0D453EFEDFA.mlw
sha1: 9f2f68012da039b56b7db0f912d540dad2633768
sha256: 2c942d34fb3b4b03f25a32ff181b08f34a7c15bde56dc716f6779506b4287129
sha512: 062fe101a852e813d59c5eaca1c3e3e8188a29361278d3dd9ed40711e1c7705430388dbbb9b40bf3d22474f9df1f8941ed8c0a3aa5fcc890c0b741c0d5f43e7d
ssdeep: 24576:bYkM9A2rUaDffkJYkVmfrkY5A/JNc5UE5QILTf4RiIMuO+:bYj9LrDDfcJYxfrkY5A/JNcCE5Q6f4RJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2020 Microsoft Corporation
InternalName: setup
FileVersion: 2.0.0
CompanyName: Microsoft Corporation
ProductName: Microsoft Visual C++ 2020 Redistributable (x64) - 12.04.23654
ProductVersion: 2.0.0
FileDescription: This installer database contains the logic and data required to install Microsoft Visual C++ 2020 Redistributable (x64) - 12.04.23654.
OriginalFileName: setup.exe
Translation: 0x0409 0x04b0

Trojan:Win32/Ymacco.AB2C also known as:

GridinSoft Trojan.Ransom.Gen
Lionic Trojan.MSIL.PolyRansom.j!c
Elastic malicious (high confidence)
ALYac Trojan.GenericKD.46049776
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/PolyRansom.ed245ec8
K7GW Trojan ( 005566ed1 )
K7AntiVirus Trojan ( 005566ed1 )
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of MSIL/FakeSupport.DJ
Avast Win32:Trojan-gen
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan-Ransom.MSIL.PolyRansom.gen
BitDefender Trojan.GenericKD.46049776
MicroWorld-eScan Trojan.GenericKD.46049776
Tencent Msil.Trojan.Polyransom.Wqwx
Ad-Aware Trojan.GenericKD.46049776
Sophos Mal/Generic-S
F-Secure Heuristic.HEUR/AGEN.1134568
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis
FireEye Trojan.GenericKD.46049776
Emsisoft Trojan.GenericKD.46049776 (B)
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1134568
Microsoft Trojan:Win32/Ymacco.AB2C
Arcabit Trojan.Generic.D2BEA9F0
ZoneAlarm HEUR:Trojan-Ransom.MSIL.PolyRansom.gen
GData Trojan.GenericKD.46049776
AhnLab-V3 PUP/Win32.RL_Generic.R355315
McAfee Artemis!69A3690D855D
MAX malware (ai score=83)
VBA32 TrojanRansom.MSIL.PolyRansom
Panda Trj/Genetic.gen
Ikarus Trojan.MSIL.Fakesupport
MaxSecure Trojan.Malware.12135575.susgen
Fortinet W32/PolyRansom.DJ!tr
AVG Win32:Trojan-gen

How to remove Trojan:Win32/Ymacco.AB2C ransomware?

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 Trojan:Win32/Ymacco.AB2C 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

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Ymacco.AB2C 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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