Trojan:Win32/Ymacco.AA4F

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

What is Trojan:Win32/Ymacco.AA4F infection?

In this short article you will discover concerning the definition of Trojan:Win32/Ymacco.AA4F as well as its unfavorable impact on your computer system. Such ransomware are a type of malware that is clarified by on-line frauds to require paying the ransom money by a victim.

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In the majority of the instances, Trojan:Win32/Ymacco.AA4F virus will certainly instruct its targets to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s gadget.

Trojan:Win32/Ymacco.AA4F Summary

These adjustments can be as complies with:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Unconventionial binary language: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard disk drive — so the target can no more make use of the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzTrojan.Ransom.GlobeImposter!1.AF70 (TFE:5:bYXJg1YG3DR)
a.tomx.xyzTrojan.Ransom.GlobeImposter!1.AF70 (TFE:5:bYXJg1YG3DR)

Trojan:Win32/Ymacco.AA4F

The most normal networks through which Trojan:Win32/Ymacco.AA4F Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that organizes a destructive software;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or stop the device from operating in a correct way – while likewise putting a ransom note that mentions the requirement for the sufferers to effect the settlement for the function of decrypting the records or bring back the data system back to the first condition. In a lot of circumstances, the ransom note will turn up when the client reboots the PC after the system has actually currently been harmed.

Trojan:Win32/Ymacco.AA4F circulation channels.

In different corners of the world, Trojan:Win32/Ymacco.AA4F grows by jumps and also bounds. Nevertheless, the ransom notes and also tricks of obtaining the ransom amount may differ depending upon specific regional (local) setups. The ransom notes and tricks of extorting the ransom amount might vary depending on specific regional (local) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having actually detected some unlicensed applications allowed on the target’s tool. The alert after that requires the customer to pay the ransom.

    Faulty statements about prohibited content.

    In countries where software program piracy is less popular, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Ymacco.AA4F popup alert may falsely declare to be originating from a police organization and will report having situated child pornography or other unlawful data on the tool.

    Trojan:Win32/Ymacco.AA4F popup alert might wrongly assert to be obtaining from a regulation enforcement establishment and also will report having situated kid pornography or other unlawful information on the gadget. The alert will likewise contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 8DD94BE8
md5: b413c967c1732a19711d50275f2a95c2
name: B413C967C1732A19711D50275F2A95C2.mlw
sha1: a7c47a0f2bca62a29003c437bb0aab517e1becc9
sha256: 4f37f07130f966d83289876d6ded03115fa1e5c526d802a79642d832d0685419
sha512: 2c415a4812cbb2e9bec64433ada1e5ba8e9f8f1924cb0fd8739f4a08c2aa9af7aa0e3fcb10935ef1863f6760ecb5f434a2f8cf5c01a65a7db6786e11b2dc0cf6
ssdeep: 98304:oBeg+5JKop+EPv3I3dGPCdL8k3LN5omqQeAKj5Nt2pmKVjJz9nMFVgxGiiMEgRe:x1pQfZA85hDiYRZ5Vl2wrF3
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

InternalSurname: reboot.exe
Product: 1.7.6
FileVersions: 1.0.5.4
LegalCo: Copyri (C) 2019, matriz
Translation: 0x0419 0x04e9

Trojan:Win32/Ymacco.AA4F also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.45068705
FireEyeGeneric.mg.b413c967c1732a19
ALYacTrojan.GenericKD.45068705
CylanceUnsafe
SangforMalware
K7AntiVirusTrojan ( 00574f3f1 )
BitDefenderTrojan.GenericKD.45068705
K7GWTrojan ( 00574f3f1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34700.@pGfaGUuk9c
CyrenW32/Trojan.HJTS-7658
APEXMalicious
AvastWin32:BotX-gen [Trj]
KasperskyTrojan.Win32.Zenpak.bazm
AlibabaBackdoor:Win32/KZip.c10236c7
RisingTrojan.Ransom.GlobeImposter!1.AF70 (TFE:5:bYXJg1YG3DR)
Ad-AwareTrojan.GenericKD.45068705
EmsisoftTrojan.GenericKD.45068705 (B)
ComodoMalware@#jrskxl8fxndh
F-SecureTrojan.TR/AD.GoCloudnet.cupka
TrendMicroTROJ_FRS.VSNW13L20
McAfee-GW-EditionBehavesLike.Win32.Trojan.rc
SophosMal/Generic-S
IkarusTrojan.Win32.Ranumbot
JiangminTrojan.Zenpak.ewm
WebrootW32.Trojan.Gen
AviraTR/AD.GoCloudnet.cupka
MAXmalware (ai score=80)
MicrosoftTrojan:Win32/Ymacco.AA4F
GridinsoftTrojan.Win32.Kryptik.oa
ArcabitTrojan.Generic.D2AFB1A1
ZoneAlarmTrojan.Win32.Zenpak.bazm
GDataTrojan.GenericKD.45068705
CynetMalicious (score: 100)
AhnLab-V3Malware/Win32.Generic.C4266294
Acronissuspicious
McAfeeGenericRXAA-AA!B413C967C173
VBA32Trojan.DiskWriter
MalwarebytesTrojan.Crypt.UPX
PandaTrj/GdSda.A
ESET-NOD32a variant of Generik.FOKBXBT
TrendMicro-HouseCallTROJ_FRS.VSNW13L20
YandexTrojan.GenAsa!A3rOJaxYS2w
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.HIFA!tr
AVGWin32:BotX-gen [Trj]
Cybereasonmalicious.f2bca6
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.37d

How to remove Trojan:Win32/Ymacco.AA4F ransomware?

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

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.AA4F 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.AA4F you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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