Written by Robert Bailey

What is Trojan:Win32/Ymacco.AA6B infection?

In this post you will find concerning the definition of Trojan:Win32/Ymacco.AA6B as well as its unfavorable impact on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom money by a victim.

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Most of the instances, Trojan:Win32/Ymacco.AA6B virus will certainly instruct its targets to initiate funds transfer for the purpose of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s tool.

Trojan:Win32/Ymacco.AA6B Summary

These modifications can be as follows:

  • The binary likely contains encrypted or compressed data.;
  • Network activity detected but not expressed in API logs;
  • Ciphering the files situated on the victim’s disk drive — so the target can no longer use the information;
  • Preventing routine access to the target’s workstation;


The most typical channels through which Trojan:Win32/Ymacco.AA6B are injected are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that hosts a malicious software program;

As quickly as the Trojan is effectively infused, it will either cipher the data on the target’s PC or avoid the device from functioning in an appropriate manner – while additionally positioning a ransom money note that states the demand for the victims to impact the repayment for the purpose of decrypting the documents or recovering the file system back to the first problem. In many circumstances, the ransom note will show up when the customer restarts the COMPUTER after the system has currently been damaged.

Trojan:Win32/Ymacco.AA6B circulation networks.

In different edges of the globe, Trojan:Win32/Ymacco.AA6B grows by leaps and bounds. However, the ransom money notes and also tricks of extorting the ransom amount may differ depending on certain neighborhood (regional) setups. The ransom money notes and tricks of extorting the ransom amount might vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually found some unlicensed applications allowed on the sufferer’s device. The sharp after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In countries where software program piracy is much less preferred, this approach is not as efficient for the cyber frauds. Alternatively, the Trojan:Win32/Ymacco.AA6B popup alert might wrongly declare to be stemming from a police institution as well as will report having located child porn or other unlawful information on the device.

    Trojan:Win32/Ymacco.AA6B popup alert might wrongly assert to be deriving from a regulation enforcement establishment as well as will report having located youngster pornography or various other unlawful data on the device. The alert will likewise consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 81D580F9
md5: e4627528ba93818ea9c1dfdb96743f39
name: E4627528BA93818EA9C1DFDB96743F39.mlw
sha1: 7efae60510f0030a8b2aaca503e64bfc016719ab
sha256: 6b758929a85663e460b260cc87d9b5837306fe1350a8333db40a9b6eabe07546
sha512: 241b927b4748f162038fe687308d1b89c551ffe8d712ab45ce2a36ac49ed61b8478d0dddc0e74311389526cd3c3174d9f9610cb13803ab9a81b5413bb5b62de4
ssdeep: 24576:NRe5mTJJtC6Mq3Dm2wgfhWbzbjNUEam5wjBt:Te4JeHKDm6fwj9dUB
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2015
Assembly Version:
InternalName: UCOMIEnumString.exe
ProductName: MyPCInventories
FileDescription: MyPCInventories
OriginalFilename: UCOMIEnumString.exe

Trojan:Win32/Ymacco.AA6B also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.45061336
Qihoo-360 Win32/Trojan.c96
ALYac Trojan.GenericKD.45061336
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 00574e321 )
BitDefender Trojan.GenericKD.45061336
K7GW Trojan ( 00574e321 )
Cyren W32/MSIL_Kryptik.CLZ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:MalwareX-gen [Trj]
Kaspersky HEUR:Trojan.MSIL.Injuke.gen
AegisLab Trojan.MSIL.Injuke.4!c
Ad-Aware Trojan.GenericKD.45061336
Sophos Mal/Generic-S
Comodo Malware@#1l3ql44z5sc0w
F-Secure Trojan.TR/Kryptik.orfxu
DrWeb Trojan.PackedNET.474
McAfee-GW-Edition Artemis!Trojan
Emsisoft Trojan.Agent (A)
Ikarus Trojan.MSIL.AgentTesla
Avira TR/Kryptik.orfxu
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Ymacco.AA6B
Gridinsoft Ransom.Win32.Wacatac.oa
Arcabit Trojan.Generic.D2AF94D8
ZoneAlarm HEUR:Trojan.MSIL.Injuke.gen
GData Trojan.GenericKD.45061336
Cynet Malicious (score: 100)
McAfee Artemis!E4627528BA93
VBA32 CIL.HeapOverride.Heur
Malwarebytes Trojan.MalPack.PNG.Generic
Panda Trj/GdSda.A
ESET-NOD32 a variant of MSIL/Kryptik.ZBS
SentinelOne Static AI – Malicious PE
Fortinet MSIL/Kryptik.ZAM!tr
BitDefenderTheta Gen:NN.ZemsilF.34700.vn0@a8xvFvi
AVG Win32:MalwareX-gen [Trj]
CrowdStrike win/malicious_confidence_60% (D)

How to remove Trojan:Win32/Ymacco.AA6B virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

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.AA6B 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.AA6B 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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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