Trojan:Win32/Ymacco.AA8D

What is Trojan:Win32/Ymacco.AA8D infection?

In this short article you will certainly find regarding the definition of Trojan:Win32/Ymacco.AA8D and its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to demand paying the ransom money by a sufferer.

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Most of the situations, Trojan:Win32/Ymacco.AA8D infection will certainly advise its targets to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the target’s gadget.

Trojan:Win32/Ymacco.AA8D Summary

These modifications can be as follows:

  • 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.
  • Attempts to connect to a dead IP:Port (3 unique times);
  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Ciphering the records located on the target’s hard drive — so the target can no longer make use of the data;
  • Preventing normal accessibility 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.
Similar behavior
Related domains
z.whorecord.xyz BehavesLike.Win32.VirRansom.dc
a.tomx.xyz BehavesLike.Win32.VirRansom.dc
www.QA31l66SPP.com BehavesLike.Win32.VirRansom.dc
zipansion.com BehavesLike.Win32.VirRansom.dc
aporasal.net BehavesLike.Win32.VirRansom.dc

Trojan:Win32/Ymacco.AA8D

The most regular networks where Trojan:Win32/Ymacco.AA8D Trojans are injected are:

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

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s PC or protect against the tool from functioning in an appropriate way – while likewise placing a ransom money note that points out the demand for the targets to effect the settlement for the function of decrypting the papers or restoring the documents system back to the first condition. In most circumstances, the ransom money note will show up when the client restarts the PC after the system has already been damaged.

Trojan:Win32/Ymacco.AA8D circulation channels.

In different edges of the world, Trojan:Win32/Ymacco.AA8D grows by leaps and also bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom amount might vary depending on specific local (local) settings. The ransom notes and techniques of extorting the ransom quantity might vary depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans usually wrongfully report having actually found some unlicensed applications enabled on the target’s tool. The alert after that requires the user to pay the ransom money.

    Faulty declarations concerning illegal material.

    In countries where software application piracy is less preferred, this method is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/Ymacco.AA8D popup alert might wrongly declare to be originating from a law enforcement organization and also will report having located child pornography or various other illegal data on the gadget.

    Trojan:Win32/Ymacco.AA8D popup alert may incorrectly claim to be acquiring from a regulation enforcement organization and also will certainly report having located kid pornography or other prohibited information on the tool. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 8E22576A
md5: e8a993d9a67c26bafa55ee0075173c53
name: E8A993D9A67C26BAFA55EE0075173C53.mlw
sha1: f322dcf87fcf1fe3dec5ce8aa66aa4fa9c272a65
sha256: a84624542657e953508db5783bd80669d06a980a3d73b01b05674cd2fbf7f99d
sha512: 242467b7b23d4f658ae6c4becc0bc06e9462887380fca5ecd1fd35f1c104ce0e271b58923f3870a12cfb2ef3af950c4783c6929adef757b247b104ca2f1d75ef
ssdeep: 6144:cj7uW69anpAP6iUOBBYU8OJmxTKodJ8Tf:6nIqpAhBHmxTKnTf
type: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA8D also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.337808
FireEye Generic.mg.e8a993d9a67c26ba
CAT-QuickHeal Trojan.Generic
McAfee GenericRXAA-FA!E8A993D9A67C
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0056e8c71 )
BitDefender Gen:Variant.Zusy.337808
K7GW Trojan ( 0056e8c71 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZexaF.34804.piW@a02nYOg
Cyren W32/Kryptik.CWV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
TrendMicro-HouseCall TROJ_GEN.R002C0WAR21
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Generic.a8c8cb8f
ViRobot Trojan.Win32.C.Agent.247808.AB
AegisLab Trojan.Win32.Generic.4!c
Rising Trojan.Generic@ML.98 (RDMK:dIKfXk5BU+MIoSCT5VFS4Q)
Ad-Aware Gen:Variant.Zusy.337808
Sophos Mal/Generic-S
Comodo Malware@#1s6k1dx2akdw7
F-Secure Trojan.TR/Crypt.XPACK.Gen
TrendMicro TROJ_GEN.R002C0WAR21
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
Emsisoft Gen:Variant.Zusy.337808 (B)
SentinelOne Static AI – Suspicious PE
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan/Win32.Injector
Microsoft Trojan:Win32/Ymacco.AA8D
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Zusy.337808
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Skeeyah.C2863900
VBA32 BScope.Trojan.Wacatac
ALYac Gen:Variant.Zusy.337808
MAX malware (ai score=100)
Malwarebytes MachineLearning/Anomalous.95%
Panda Trj/CI.A
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DZQA
Tencent Win32.Trojan.Generic.Amcf
Ikarus Trojan.Win32.Injector
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.FFP!tr
AVG Win32:Trojan-gen
Cybereason malicious.9a67c2
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HxMB5k8A

How to remove Trojan:Win32/Ymacco.AA8D 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.AA8D 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.AA8D 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/products/

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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