Trojan:Win32/Ymacco.AABA

What is Trojan:Win32/Ymacco.AABA infection?

In this short article you will certainly find about the meaning of Trojan:Win32/Ymacco.AABA and its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom by a sufferer.

Most of the situations, Trojan:Win32/Ymacco.AABA virus will instruct its targets to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.

Trojan:Win32/Ymacco.AABA Summary

These adjustments 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;
  • 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.
  • 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;
  • 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 papers situated on the victim’s hard disk — so the sufferer can no more make use of the data;
  • Preventing routine 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
www.gLpGhwPAfP.com BehavesLike.Win32.VirRansom.dc
zipansion.com BehavesLike.Win32.VirRansom.dc
aporasal.net BehavesLike.Win32.VirRansom.dc

Trojan:Win32/Ymacco.AABA

One of the most common channels where Trojan:Win32/Ymacco.AABA Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a harmful software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s PC or stop the device from functioning in a correct way – while additionally positioning a ransom money note that states the requirement for the victims to effect the payment for the objective of decrypting the records or bring back the documents system back to the preliminary condition. In most instances, the ransom money note will turn up when the customer reboots the COMPUTER after the system has already been harmed.

Trojan:Win32/Ymacco.AABA distribution networks.

In numerous corners of the globe, Trojan:Win32/Ymacco.AABA grows by leaps as well as bounds. Nevertheless, the ransom notes and methods of extorting the ransom money amount might vary depending upon specific local (local) setups. The ransom money notes as well as tricks of extorting the ransom quantity might differ depending on particular local (regional) setups.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software program.

    In specific areas, the Trojans often wrongfully report having actually identified some unlicensed applications made it possible for on the sufferer’s device. The sharp then demands the customer to pay the ransom.

    Faulty declarations about illegal material.

    In nations where software application piracy is much less prominent, this technique is not as efficient for the cyber frauds. Conversely, the Trojan:Win32/Ymacco.AABA popup alert might incorrectly claim to be deriving from a police organization as well as will report having situated kid porn or other prohibited information on the device.

    Trojan:Win32/Ymacco.AABA popup alert might falsely assert to be obtaining from a law enforcement organization as well as will report having situated kid pornography or other illegal information on the device. The alert will similarly include a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: CD0037A7md5: 02b34bf66f7ff580c8d9fcf131cc52d7name: 02B34BF66F7FF580C8D9FCF131CC52D7.mlwsha1: e7d6d64e7b435d7bfee34af0d953fae2d289d71fsha256: ba264e9c65db0179a8dd757a84a7c8d0500a784fb6709bbbb35f6fccba7e12cfsha512: 464089bb569c7ba01aaf364b9c4d342f535fe81de2f5af7661fe8c74e54267fcd70f6ab9bc1f21fb9a19e73270f2687c1e03d2cc12ff672f4182897a165c02bcssdeep: 6144:G/JdF9Hur+QL516PiGwX7JnGjZACpR47xObFx58k:G/R9E+viNBGjaCpRoIFwktype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AABA also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Zusy.337808
FireEye Generic.mg.02b34bf66f7ff580
CAT-QuickHeal Trojan.Generic
McAfee GenericRXAA-FA!02B34BF66F7F
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Malware
K7AntiVirus Trojan ( 0056e8c71 )
BitDefender Gen:Variant.Zusy.337808
K7GW Trojan ( 0056e8c71 )
Cybereason malicious.66f7ff
Cyren W32/Kryptik.CWV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Generic.4f36712c
AegisLab Trojan.Win32.Generic.4!c
Ad-Aware Gen:Variant.Zusy.337808
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.R011C0GAU21
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
Emsisoft Gen:Variant.Zusy.337808 (B)
Ikarus Trojan.Win32.Injector
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan/Win32.Injector
Microsoft Trojan:Win32/Ymacco.AABA
Arcabit Trojan.Zusy.D52790
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Zusy.337808
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Skeeyah.C2863900
BitDefenderTheta Gen:NN.ZexaF.34804.piW@a02nYOg
ALYac Gen:Variant.Zusy.337808
VBA32 BScope.Trojan.Wacatac
Malwarebytes Malware.AI.4243003699
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Injector.DZQA
TrendMicro-HouseCall TROJ_GEN.R011C0GAU21
Rising Trojan.Injector!8.C4 (TFE:4:sPwrLR2rlhB)
SentinelOne Static AI – Suspicious PE
Fortinet W32/Kryptik.FFP!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 Win32/Trojan.Generic.HxMB7MYA

How to remove Trojan:Win32/Ymacco.AABA 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Trojan:Win32/Ymacco.AABA you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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