Trojan:Win32/Ymacco.AA38

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

What is Trojan:Win32/Ymacco.AA38 infection?

In this short article you will find about the definition of Trojan:Win32/Ymacco.AA38 as well as its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on-line frauds to demand paying the ransom money by a sufferer.

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In the majority of the instances, Trojan:Win32/Ymacco.AA38 ransomware will instruct its targets to launch funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the target’s gadget.

Trojan:Win32/Ymacco.AA38 Summary

These modifications 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.
  • 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.
  • 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 disk drive — so the victim can no longer make use of the data;
  • 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.

Trojan:Win32/Ymacco.AA38

The most regular channels whereby Trojan:Win32/Ymacco.AA38 Ransomware Trojans are injected are:

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

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or avoid the tool from functioning in a correct fashion – while likewise positioning a ransom money note that states the demand for the targets to impact the payment for the function of decrypting the documents or restoring the data system back to the initial condition. In most instances, the ransom note will show up when the customer reboots the PC after the system has currently been damaged.

Trojan:Win32/Ymacco.AA38 distribution channels.

In different edges of the world, Trojan:Win32/Ymacco.AA38 grows by leaps and also bounds. Nevertheless, the ransom money notes and methods of extorting the ransom amount may differ relying on particular local (regional) settings. The ransom money notes and techniques of obtaining the ransom money quantity may differ depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited web content.

    In nations where software program piracy is less preferred, this method is not as effective for the cyber frauds. Conversely, the Trojan:Win32/Ymacco.AA38 popup alert might incorrectly assert to be stemming from a law enforcement institution as well as will certainly report having situated child porn or various other unlawful information on the tool.

    Trojan:Win32/Ymacco.AA38 popup alert may incorrectly declare to be obtaining from a regulation enforcement institution as well as will certainly report having situated child porn or various other unlawful information on the tool. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 98116E16
md5: 2a58bf883cd355ed816d22a5e2d5a6f7
name: upload_file
sha1: e625cad210a26a23203ac9a41a6915557848558e
sha256: 3800d6c5cbe76acb00e60a5486f50a38dcbc5cbc16b0000572240ab97af31797
sha512: c91e04a37a1b954a2f1ec58fab0a5a4ac6b1119e56d5e4404fc1de3eaaa6bf35b1e958430b173da2f9cce4a809a467bf2f3babb6a6a04e33449d7db2cead7844
ssdeep: 6144:qE0CpM+b1QjWDMm07s73QLwxnPFEy8WxH5rOcJhcsGxmjwtY2/cmpJcbTetIJKv7:q7s73r0W95rgx6wtDITHKvu8iw
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA38 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
MicroWorld-eScan Trojan.GenericKD.34249850
FireEye Generic.mg.2a58bf883cd355ed
Qihoo-360 HEUR/QVM10.1.6304.Malware.Gen
McAfee Artemis!2A58BF883CD3
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Malicious.4!c
CrowdStrike win/malicious_confidence_100% (W)
BitDefender Trojan.GenericKD.34249850
K7GW Trojan ( 0051dca71 )
K7AntiVirus Trojan ( 0051dca71 )
TrendMicro Mal_MiliCry-2t
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
GData Trojan.GenericKD.34249850
Kaspersky Trojan-Ransom.Win32.SageCrypt.fji
Alibaba Ransom:Win32/SageCrypt.c9c7c403
Rising Trojan.GenKryptik!8.AA55 (TFE:5:DSFLBygLzkN)
Endgame malicious (high confidence)
Emsisoft Trojan.GenericKD.34249850 (B)
F-Secure Heuristic.HEUR/AGEN.1113069
DrWeb Trojan.Encoder.10180
Invincea heuristic
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
SentinelOne DFI – Suspicious PE
Jiangmin Trojan.Deshacop.vc
Avira HEUR/AGEN.1113069
MAX malware (ai score=80)
Antiy-AVL Trojan/Win32.Deshacop
Arcabit Trojan.Generic.D20A9C7A
ZoneAlarm Trojan-Ransom.Win32.SageCrypt.fji
Microsoft Trojan:Win32/Ymacco.AA38
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.SageCrypt.C2247898
Acronis suspicious
VBA32 Trojan.Encoder
ALYac Trojan.GenericKD.34249850
TACHYON Ransom/W32.SageCrypt.415744
Ad-Aware Trojan.GenericKD.34249850
Malwarebytes Ransom.SageLocker
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/GenKryptik.ACKJ
TrendMicro-HouseCall Mal_MiliCry-2t
Tencent Malware.Win32.Gencirc.114ad076
Yandex Trojan.Deshacop!
Ikarus Trojan.Win32.Krypt
eGambit Unsafe.AI_Score_94%
Fortinet W32/Generic.AC.3EE7F5!tr
BitDefenderTheta Gen:NN.ZexaF.34142.zGW@aGuX63bi
AVG Win32:Malware-gen
Cybereason malicious.210a26
Paloalto generic.ml

How to remove Trojan:Win32/Ymacco.AA38 ransomware?

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.AA38 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.AA38 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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