What is Trojan:Win32/Ymacco.AA01 infection?

In this article you will discover regarding the interpretation of Trojan:Win32/Ymacco.AA01 and also its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by on-line fraudulences to demand paying the ransom money by a sufferer.

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Most of the instances, Trojan:Win32/Ymacco.AA01 virus will certainly advise its targets to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the target’s tool.

Trojan:Win32/Ymacco.AA01 Summary

These alterations 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.
  • 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.

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records located on the sufferer’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing normal accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


The most normal channels whereby Trojan:Win32/Ymacco.AA01 Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of individual winding up on a source that holds a malicious software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the victim’s computer or stop the device from functioning in a proper fashion – while additionally putting a ransom note that points out the requirement for the targets to effect the repayment for the objective of decrypting the records or restoring the file system back to the preliminary problem. In most circumstances, the ransom money note will certainly come up when the customer restarts the PC after the system has already been damaged.

Trojan:Win32/Ymacco.AA01 distribution channels.

In various edges of the world, Trojan:Win32/Ymacco.AA01 grows by leaps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom amount may differ relying on certain local (local) settings. The ransom notes and methods of extorting the ransom quantity might differ depending on specific regional (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans often wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s device. The alert then demands the user to pay the ransom money.

    Faulty statements regarding illegal material.

    In nations where software piracy is much less popular, this method is not as reliable for the cyber scams. Alternatively, the Trojan:Win32/Ymacco.AA01 popup alert might wrongly assert to be originating from a police institution and will certainly report having situated youngster porn or various other prohibited information on the gadget.

    Trojan:Win32/Ymacco.AA01 popup alert may wrongly declare to be deriving from a law enforcement establishment and also will report having situated kid pornography or other illegal data on the gadget. The alert will in a similar way consist of a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 044CFFBB
md5: 7b5f7af78f53961d5f365c4e9e2764e9
name: 7B5F7AF78F53961D5F365C4E9E2764E9.mlw
sha1: 4da97bec2a8d1d2f84d610dbe8be5d11b81012ac
sha256: 015af306c38bfb1de72cd8241f14bb2934459724e741c8ad79dfd00e6f5e689b
sha512: c80015e6af3cd825f3fd5c0b6909b05bebbe5cfcb1b91575016b3b12ca89fbeb58fbcca23c72226b21a551c426ded6159f6805028e46e1e6ffc407bea0190121
ssdeep: 12288:QIi9oLvFVK1dHSZqDE07n9DXnRqxYX8lrtn64f2F5xKN54QP:K9EvLK1dokdRl8lxnW5xKN54Q
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: lkio.exe
OriginalFilename: lkio.exe

Trojan:Win32/Ymacco.AA01 also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Inject1.30083
Cynet Malicious (score: 100)
ALYac Gen:Variant.Kazy.199300
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Blocker.f37023da
Cybereason malicious.78f539
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/TrojanDropper.Agent.AIE
APEX Malicious
Avast Win32:Dropper-gen [Drp]
ClamAV Win.Tool.Patcher-9837844-0
Kaspersky Trojan-Ransom.Win32.Blocker.cgfv
BitDefender Gen:Variant.Kazy.199300
NANO-Antivirus Trojan.Win32.Blocker.cvkwuy
MicroWorld-eScan Gen:Variant.Kazy.199300
Tencent Win32.Trojan.Blocker.Aisl
Ad-Aware Gen:Variant.Kazy.199300
Sophos Mal/Generic-S
Comodo Malware@#xenbisplmu8h
BitDefenderTheta Gen:NN.ZemsilF.34608.Nm0@a0KH1Ub
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
Emsisoft Gen:Variant.Kazy.199300 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1129533
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Ymacco.AA01
AegisLab Trojan.Win32.Generic.m4ht
GData Gen:Variant.Kazy.199300
McAfee Artemis!7B5F7AF78F53
MAX malware (ai score=85)
Malwarebytes Malware.AI.2381272354
Panda Trj/CI.A
Rising Ransom.Blocker!8.12A (CLOUD)
Yandex Trojan.Blocker!amOhQHrB3WQ
Ikarus Trojan-Dropper.MSIL.Agent
Fortinet Malware_fam.NB
AVG Win32:Dropper-gen [Drp]
Qihoo-360 Win32/Ransom.Blocker.HwMA4DAA

How to remove Trojan:Win32/Ymacco.AA01 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.

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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.AA01 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.AA01 you can always ask me in the comments for getting help.

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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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