Trojan:Win32/Ymacco.AA76

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

What is Trojan:Win32/Ymacco.AA76 infection?

In this post you will discover concerning the interpretation of Trojan:Win32/Ymacco.AA76 and its negative effect on your computer system. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom by a victim.

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In the majority of the cases, Trojan:Win32/Ymacco.AA76 virus will advise its victims to initiate funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s tool.

Trojan:Win32/Ymacco.AA76 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • 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 papers found on the target’s 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.

Trojan:Win32/Ymacco.AA76

The most regular channels whereby Trojan:Win32/Ymacco.AA76 Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a resource that organizes a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s computer or prevent the device from working in an appropriate manner – while likewise putting a ransom money note that points out the demand for the sufferers to effect the payment for the objective of decrypting the documents or bring back the file system back to the preliminary problem. In most instances, the ransom money note will show up when the client reboots the PC after the system has currently been harmed.

Trojan:Win32/Ymacco.AA76 distribution channels.

In different corners of the globe, Trojan:Win32/Ymacco.AA76 grows by jumps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity might differ depending on particular local (local) settings. The ransom money notes as well as techniques of obtaining the ransom quantity might vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the victim’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty declarations regarding illegal web content.

    In countries where software program piracy is less prominent, this method is not as reliable for the cyber fraudulences. Conversely, the Trojan:Win32/Ymacco.AA76 popup alert might wrongly declare to be originating from a police institution as well as will certainly report having located child pornography or other prohibited information on the gadget.

    Trojan:Win32/Ymacco.AA76 popup alert might incorrectly assert to be acquiring from a law enforcement establishment and also will report having located youngster pornography or other unlawful data on the tool. The alert will similarly consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 9F605CC3
md5: e8f923ea8381e6c48024d0de225c8ac2
name: upload_file
sha1: eadaf2d6cbda70721834eaa1997c79296a90f650
sha256: 769c63d7722789bcf1466427349b829860136dd7a2337abc48e6a96bf6442105
sha512: e4e571e60da20ebe7e257eb4a18a08f30f96ca1df25769680380ff0d7181a7b4a4b1d689fcede3fde7ed8c8c3234b5bb86647eb79175497b568b7588fa217c06
ssdeep: 12288:dqINy+OtA771W0yhV9khLeXEzHmIgU+3bLwPiUibiI:jJE0yhzULe0zml3bLyiUibR
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2018
Assembly Version: 1.0.0.0
InternalName: MBNn.exe
FileVersion: 1.0.0.0
CompanyName:
LegalTrademarks:
Comments:
ProductName: Exhibition Vehicles
ProductVersion: 1.0.0.0
FileDescription: Exhibition Vehicles
OriginalFilename: MBNn.exe

Trojan:Win32/Ymacco.AA76 also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.35063157
FireEye Generic.mg.e8f923ea8381e6c4
McAfee PWS-FCSU!E8F923EA8381
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 005722d21 )
BitDefender Trojan.GenericKD.35063157
K7GW Trojan ( 005722d21 )
CrowdStrike win/malicious_confidence_60% (W)
TrendMicro TROJ_GEN.R03FC0RK420
Cyren W32/Ransom.AY.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky HEUR:Trojan.MSIL.Taskun.gen
Alibaba Trojan:Win32/Kryptik.ali2000016
ViRobot Trojan.Win32.Z.Genkryptik.600064.B
Tencent Msil.Trojan.Taskun.Anzl
Ad-Aware Trojan.GenericKD.35063157
Sophos Troj/Kryptik-NB
F-Secure Trojan.TR/AD.Bladabindi.fadwx
DrWeb Trojan.PackedNET.424
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-R + Troj/Kryptik-NB
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
Emsisoft Trojan.GenericKD.35063157 (B)
Ikarus Trojan.MSIL.Inject
Webroot W32.Trojan.Gen
Avira TR/AD.Bladabindi.fadwx
Microsoft Trojan:Win32/Ymacco.AA76
Gridinsoft Trojan.Win32.Packed.oa
Arcabit Trojan.Generic.D2170575
ZoneAlarm HEUR:Trojan.MSIL.Taskun.gen
GData MSIL.Trojan-Stealer.AgentTesla.256SU1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Kryptik.R354760
Acronis suspicious
BitDefenderTheta Gen:NN.ZemsilF.34590.Km0@amqsGro
ALYac Spyware.AgentTesla
MAX malware (ai score=99)
Malwarebytes Trojan.MalPack.PNG.Generic
Panda Trj/GdSda.A
Zoner Trojan.Win32.97044
ESET-NOD32 MSIL/Spy.Agent.AES
TrendMicro-HouseCall TROJ_GEN.R03FC0RK420
SentinelOne DFI – Malicious PE
Fortinet MSIL/GenKryptik.EVNQ!tr
AVG Win32:TrojanX-gen [Trj]
Avast Win32:TrojanX-gen [Trj]
Qihoo-360 Generic/HEUR/QVM03.0.0282.Malware.Gen

How to remove Trojan:Win32/Ymacco.AA76 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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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.AA76 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.AA76 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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