Trojan:Win32/Ymacco.AB3D

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

What is Trojan:Win32/Ymacco.AB3D infection?

In this short article you will find about the interpretation of Trojan:Win32/Ymacco.AB3D as well as its negative impact on your computer. Such ransomware are a kind of malware that is specified by online frauds to require paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Ymacco.AB3D virus will certainly instruct its targets to launch funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the target’s device.

Trojan:Win32/Ymacco.AB3D 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.
  • Possible date expiration check, exits too soon after checking local time;
  • 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Checks for the presence of known windows from debuggers and forensic tools;
  • 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.
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the target’s hard disk drive — so the target can no longer 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.

Trojan:Win32/Ymacco.AB3D

One of the most normal channels whereby Trojan:Win32/Ymacco.AB3D Ransomware are injected are:

  • By ways of phishing emails;
  • As an effect of individual winding up on a resource that hosts a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s computer or prevent the device from working in a proper fashion – while also placing a ransom money note that points out the need for the sufferers to effect the repayment for the function of decrypting the files or bring back the file system back to the preliminary condition. In a lot of instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually already been harmed.

Trojan:Win32/Ymacco.AB3D distribution networks.

In various corners of the globe, Trojan:Win32/Ymacco.AB3D grows by leaps as well as bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom money quantity might differ depending on certain local (local) setups. The ransom notes as well as methods of obtaining the ransom money quantity might vary depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having actually detected some unlicensed applications enabled on the victim’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements about prohibited material.

    In countries where software application piracy is much less popular, this approach is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Ymacco.AB3D popup alert might wrongly assert to be stemming from a law enforcement organization as well as will report having located youngster pornography or other unlawful information on the tool.

    Trojan:Win32/Ymacco.AB3D popup alert might falsely declare to be acquiring from a law enforcement institution as well as will report having located child porn or various other illegal data on the device. The alert will similarly have a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: C1EADEA6
md5: 7d48c4fa2a2b3358d798dc7efc1fcc31
name: 7D48C4FA2A2B3358D798DC7EFC1FCC31.mlw
sha1: 930903b93e60a82c7b482f442a1e5feb93d94ee6
sha256: 3da218fadf33a226052699bdb3145bab191707e36df2a7196205693832f9a8f7
sha512: 422e1c5d88f8e2e5d1f26319d47df2af71d84c4eec40bb353b521b95c59502e1d8ee9e6416dcce55d94e19fdd48bb810778f2dcafc6245f7181f8cb9b6f343d0
ssdeep: 24576:6AaX5r1/GSWJgn1pzocCA5n4xjy4Z51CHehlihca0E1Hjz+cHSsf0xccKqix+Vdk:IL/GVg7H+V5AmlihjH+cHSsEcLxedSv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AB3D also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 003630501 )
Elasticmalicious (high confidence)
DrWebTrojan.Siggen3.49085
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Aksula.A
ALYacTrojan.GenericKD.36977311
CylanceUnsafe
ZillyaTrojan.Menti.Win32.31669
SangforTrojan.Win32.Generic.ky
CrowdStrikewin/malicious_confidence_80% (W)
AlibabaTrojanDropper:Win32/Metla.3e8fe058
K7GWTrojan ( 003630501 )
CyrenW32/A-57b894e6!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/TrojanDropper.Agent.PSB
APEXMalicious
AvastWin32:Evo-gen [Susp]
ClamAVWin.Dropper.Rlpacked-7670654-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.GenericKD.36977311
NANO-AntivirusTrojan.Win32.Swisyn.tvtsw
ViRobotTrojan.Win32.Z.Agent.1640691
MicroWorld-eScanTrojan.GenericKD.36977311
TencentTrojan.Win32.Inject.mwhja
Ad-AwareTrojan.GenericKD.36977311
SophosBlackMoon Packed (PUA)
ComodoTrojWare.Win32.TrojanDropper.Agent.PSB@4ozmup
BitDefenderThetaGen:NN.ZexaF.34692.zj0aaCu8n9ji
TrendMicroTROJ_GEN.R002C0OEQ21
McAfee-GW-EditionBehavesLike.Win32.Emotet.tc
FireEyeGeneric.mg.7d48c4fa2a2b3358
EmsisoftTrojan.GenericKD.36977311 (B)
SentinelOneStatic AI – Malicious PE
JiangminPacked.Katusha.aovr
WebrootW32.Backdoor.Hupigon
AviraTR/Offend.7270508.90
KingsoftHeur.SSC.107562.1216.(kcloud)
MicrosoftTrojan:Win32/Ymacco.AB3D
GridinsoftTrojan.Win32.Agent.oa!s1
AegisLabHacktool.Win32.Generic.lyGo
GDataTrojan.GenericKD.36977311
AhnLab-V3Trojan/Win32.Menti.R24443
McAfeeGenericRXJF-QH!7D48C4FA2A2B
MAXmalware (ai score=89)
VBA32BScope.TrojanRansom.Gen
MalwarebytesMalware.AI.2016313716
PandaTrj/Genetic.gen
TrendMicro-HouseCallTROJ_GEN.R002C0OEQ21
RisingBackdoor.Zegost!8.177 (TFE:dGZlOgWB4Sp/gR8wTw)
YandexTrojan.GenAsa!Dz3Jo7x2ENk
FortinetW32/CoinMiner.WP!tr
AVGWin32:Evo-gen [Susp]
Paloaltogeneric.ml

How to remove Trojan:Win32/Ymacco.AB3D virus?

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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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.AB3D 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.AB3D 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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