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

What is Trojan:Win32/Ymacco.AA90 infection?

In this post you will discover about the definition of Trojan:Win32/Ymacco.AA90 and its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Ymacco.AA90 infection will certainly advise its sufferers to launch funds transfer for the function of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Ymacco.AA90 Summary

These alterations can be as follows:

  • 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.
  • Ciphering the records located on the sufferer’s hard drive — so the victim can no more utilize the data;
  • Preventing routine 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 normal networks where Trojan:Win32/Ymacco.AA90 Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of user ending up on a source that hosts a harmful software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the victim’s computer or avoid the gadget from functioning in a correct way – while likewise positioning a ransom money note that mentions the demand for the sufferers to impact the payment for the purpose of decrypting the records or restoring the documents system back to the initial condition. In a lot of circumstances, the ransom money note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan:Win32/Ymacco.AA90 distribution channels.

In various edges of the world, Trojan:Win32/Ymacco.AA90 expands by leaps and bounds. Nonetheless, the ransom notes and techniques of extorting the ransom money quantity may differ depending upon particular neighborhood (regional) settings. The ransom money notes and also tricks of extorting the ransom amount may differ depending on certain local (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software application.

    In certain areas, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the sufferer’s tool. The alert then demands the individual to pay the ransom money.

    Faulty declarations concerning illegal web content.

    In nations where software program piracy is much less popular, this approach is not as reliable for the cyber frauds. Additionally, the Trojan:Win32/Ymacco.AA90 popup alert might falsely assert to be deriving from a police institution and also will report having located youngster porn or other illegal information on the gadget.

    Trojan:Win32/Ymacco.AA90 popup alert may wrongly claim to be deriving from a law enforcement establishment and will report having situated kid porn or various other unlawful data on the gadget. The alert will likewise contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 9C7F0F21
md5: 608ae750e61cf7c0c849092caa7f38a1
name: 608AE750E61CF7C0C849092CAA7F38A1.mlw
sha1: b448a722c0eade2d1dc3067c59b86091e802c0f7
sha256: 90663ad56578d7a20c2cbf57274be690e98f207b70ee89ed08feb4bef8d7b1ad
sha512: c95c1221440a6c8f1cfca5201411630e5a57d6c438319c8717bb95839a8c45681be6af584d27279b017a046392704698af899d5152c0e1848f8b38c9bfba6618
ssdeep: 24576:+xXNX7XCPaeOacKFic5ecd45lyOrsnB6DHAa/cORj+cAY:+1NXGxfg+4nrsnB6Dga/cORjVA
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Sinopharm-Beijing 2020 (C)
Assembly Version:
CompanyName: Sinopharm-Beijing
Comments: CanSino Biologics
ProductName: Entrance Exam
FileDescription: Entrance Exam

Trojan:Win32/Ymacco.AA90 also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Packed2.42726
MicroWorld-eScan Trojan.GenericKD.45008403
Qihoo-360 Generic/Trojan.PSW.374
ALYac Trojan.GenericKD.45008403
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
BitDefender Trojan.GenericKD.45008403
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
BitDefenderTheta Gen:NN.ZemsilF.34700.an0@aC0BT5k
Cyren W32/Trojan.DNRE-8589
Symantec Ransom.Wannacry
TrendMicro-HouseCall TrojanSpy.Win32.SUSPECTCRC.USMANLF20
Kaspersky HEUR:Trojan-PSW.MSIL.Agensla.gen
ViRobot Trojan.Win32.Z.Woreflint.1058304
Ad-Aware Trojan.GenericKD.45008403
Sophos Mal/Generic-R + Troj/Kryptik-OZ
F-Secure Trojan.TR/AD.AgentTesla.snaqm
TrendMicro TrojanSpy.Win32.SUSPECTCRC.USMANLF20
Emsisoft Trojan.Crypt (A)
Ikarus Trojan.Inject
Avira TR/AD.AgentTesla.snaqm
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Ymacco.AA90
Gridinsoft Trojan.Win32.Packed.oa
Arcabit Trojan.Generic.D2AEC613
SUPERAntiSpyware Trojan.Agent/Gen-Injector
ZoneAlarm HEUR:Trojan-PSW.MSIL.Agensla.gen
GData MSIL.Trojan-Stealer.AgentTesla.NOAZA2
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Kryptik.R357775
McAfee PWS-FCUC!608AE750E61C
MAX malware (ai score=85)
Malwarebytes Ransom.HiddenTear
Panda Trj/GdSda.A
APEX Malicious
ESET-NOD32 a variant of MSIL/Kryptik.ZAV
Yandex Trojan.Agent!7OUvPk0jM5U
SentinelOne Static AI – Malicious PE
Fortinet PossibleThreat
AVG Win32:TrojanX-gen [Trj]
Avast Win32:TrojanX-gen [Trj]
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojan:Win32/Ymacco.AA90 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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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.AA90 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.AA90 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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