Trojan:Win32/Ymacco.AAAB

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

What is Trojan:Win32/Ymacco.AAAB infection?

In this post you will discover concerning the definition of Trojan:Win32/Ymacco.AAAB as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom by a victim.

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Most of the instances, Trojan:Win32/Ymacco.AAAB infection will certainly instruct its targets to initiate funds move for the objective of reducing the effects of the changes that the Trojan infection has presented to the victim’s tool.

Trojan:Win32/Ymacco.AAAB Summary

These alterations can be as adheres to:

  • 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 (2 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.
  • A process attempted to delay the analysis task.;
  • Performs some HTTP requests;
  • Collects information about installed applications;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents found on the sufferer’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular 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.
Similar behavior
Related domains
z.whorecord.xyz BScope.TrojanRansom.Shade
a.tomx.xyz BScope.TrojanRansom.Shade

Trojan:Win32/Ymacco.AAAB

One of the most normal channels whereby Trojan:Win32/Ymacco.AAAB Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of individual winding up on a source that holds a harmful software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s PC or avoid the device from working in an appropriate way – while likewise putting a ransom money note that mentions the demand for the victims to effect the repayment for the purpose of decrypting the files or recovering the file system back to the preliminary problem. In most circumstances, the ransom money note will show up when the customer restarts the PC after the system has currently been damaged.

Trojan:Win32/Ymacco.AAAB circulation networks.

In different edges of the globe, Trojan:Win32/Ymacco.AAAB expands by jumps and also bounds. However, the ransom money notes as well as techniques of extorting the ransom money quantity might differ depending upon certain regional (local) settings. The ransom money notes and also techniques of extorting the ransom quantity may differ depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In certain locations, the Trojans typically wrongfully report having spotted some unlicensed applications made it possible for on the target’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty statements regarding unlawful web content.

    In countries where software piracy is much less popular, this method is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/Ymacco.AAAB popup alert might incorrectly declare to be originating from a law enforcement institution and also will report having located child pornography or other illegal data on the tool.

    Trojan:Win32/Ymacco.AAAB popup alert may falsely assert to be deriving from a law enforcement institution and also will certainly report having located child porn or various other unlawful data on the gadget. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 2A6DB884
md5: 4fa396905538cf2975dda3aee5c466a4
name: upload_file
sha1: b2f19c153b41ad9969dbfd9ed0a0b46b1330a7ff
sha256: abc00bed0b42c8f67a598d1f858dd33e112ff04e0addfbf8f6f554a6b6eee54c
sha512: fe033ad226084599ec961a4f8342e386990457eb3c3ff21dd88f58c98762cf7e0cb1ccc2321a4afa61aaecb735e6f1922354a7a813167793a459ad63a1c2b666
ssdeep: 6144:1xI2j28bm2WJHEII+buAqQxZt4995XkN6y1Ya5PDlHPspG:eRJku/L05dyVrvn
type: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2007 by Don HO
InternalName: gup.exe
FileVersion: 4.1
CompanyName: Don HO [email protected]
ProductName: GUP
ProductVersion: 4.1
FileDescription: GUP : a free (LGPL) Generic ipdater
OriginalFilename: gup.exe
Translation: 0x0409 0x04b0

Trojan:Win32/Ymacco.AAAB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.44185682
FireEye Generic.mg.4fa396905538cf29
CAT-QuickHeal Trojandownloader.Cridex
McAfee RDN/none
AegisLab Trojan.Win32.Malicious.4!c
Sangfor Malware
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.44185682
K7GW Riskware ( 0040eff71 )
CrowdStrike win/malicious_confidence_100% (D)
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:DropperX-gen [Drp]
Kaspersky Trojan-Downloader.Win32.Cridex.gva
Alibaba TrojanDownloader:Win32/Cridex.4b97dbe0
ViRobot Trojan.Win32.Z.Shade.397824
Rising [email protected] (RDML:m76DKqv5Y4f1JOzeQyaNSw)
Ad-Aware Trojan.GenericKD.44185682
Comodo Malware@#1hwngui47p3cl
MaxSecure Trojan.Malware.108997572.susgen
DrWeb Trojan.Dridex.735
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-S
McAfee-GW-Edition RDN/none
Sophos Mal/Generic-S
SentinelOne DFI – Malicious PE
Webroot W32.Trojan.Dridex
Avira TR/AD.Dridex.wqrhu
MAX malware (ai score=84)
Microsoft Trojan:Win32/Ymacco.AAAB
Arcabit Trojan.Generic.D2A23852
ZoneAlarm Trojan-Downloader.Win32.Cridex.gva
GData Trojan.GenericKD.44185682
VBA32 BScope.TrojanRansom.Shade
ALYac Trojan.GenericKD.34863700
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.HGZC
Tencent Win32.Trojan-downloader.Cridex.Phgt
Ikarus Trojan.SuspectCRC
Fortinet W32/Cridex.GVA!tr.dldr
BitDefenderTheta Gen:NN.ZedlaF.34590.yu8@a8DCpAji
AVG Win32:DropperX-gen [Drp]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Downloader.ddd

How to remove Trojan:Win32/Ymacco.AAAB 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

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.AAAB 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.AAAB 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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