Trojan:Win32/Ymacco.AA36

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

What is Trojan:Win32/Ymacco.AA36 infection?

In this post you will locate concerning the interpretation of Trojan:Win32/Ymacco.AA36 and its unfavorable impact on your computer. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to demand paying the ransom by a victim.

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Most of the cases, Trojan:Win32/Ymacco.AA36 virus will instruct its targets to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s tool.

Trojan:Win32/Ymacco.AA36 Summary

These modifications 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);
  • Injection with CreateRemoteThread in a remote process;
  • 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.
  • Attempts to connect to a dead IP:Port (6 unique times);
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • 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.

  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers situated on the target’s hard disk — so the victim can no more make use of the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
doc-0g-9s-docs.googleusercontent.com Win32:RansomX-gen [Ransom]
karimgoussd.ug Win32:RansomX-gen [Ransom]
fgdjhksdfsdxcbv.ru Win32:RansomX-gen [Ransom]

Trojan:Win32/Ymacco.AA36

The most typical channels where Trojan:Win32/Ymacco.AA36 Ransomware are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual winding up on a resource that hosts a malicious software;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or stop the device from functioning in a proper manner – while likewise putting a ransom note that mentions the demand for the targets to impact the payment for the function of decrypting the files or recovering the documents system back to the first condition. In many circumstances, the ransom money note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Ymacco.AA36 distribution networks.

In various corners of the globe, Trojan:Win32/Ymacco.AA36 grows by leaps as well as bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom amount may differ relying on specific local (local) settings. The ransom money notes and tricks of extorting the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software.

    In specific areas, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is less preferred, this technique is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Ymacco.AA36 popup alert might falsely assert to be originating from a police organization and also will certainly report having located youngster pornography or various other prohibited data on the device.

    Trojan:Win32/Ymacco.AA36 popup alert may wrongly assert to be acquiring from a law enforcement organization and also will report having located kid porn or other prohibited data on the tool. The alert will in a similar way consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 6C2959A5
md5: c009b8889ada0c186778328afe0b9d42
name: upload_file
sha1: 2188f695489a2ebb6049ded29b2d223a6e4a6ef4
sha256: 36f02b0b6fe558dde6dc31b1eec25e40f6de8a7fc2f43f633dfac3976773bb46
sha512: e0886e63509d5267d36a6e2a6470fa296b9a3c8e1e3a4e3582e935f43b0e5ea2b5cb946014e952c012db3b446192b54ebb255c2c0973e84e8cd52a71b4a8ea31
ssdeep: 24576:iw9NREekcnEKus45zHPSgonYl/Hhpng/2IKaY:iw5kxHqgb5aY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA36 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader34.21847
MicroWorld-eScan Trojan.GenericKD.43641728
FireEye Generic.mg.c009b8889ada0c18
ALYac Trojan.GenericKD.43641728
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan-Downloader ( 0056c4f21 )
BitDefender Trojan.GenericKD.43641728
K7GW Trojan-Downloader ( 0056c4f21 )
Cybereason malicious.5489a2
TrendMicro TROJ_GEN.R002C0PHC20
BitDefenderTheta Gen:NN.ZelphiF.34152.!KX@a0KS8fli
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky HEUR:HackTool.Win32.Agent.gen
Alibaba TrojanDownloader:Win32/Fareit.55971d64
Rising Downloader.Delf!8.16F (CLOUD)
Ad-Aware Trojan.GenericKD.43641728
Comodo .UnclassifiedMalware@0
F-Secure Trojan.TR/Dldr.Delf.bwbhw
Fortinet W32/GenKryptik.DPIE!tr
Sophos Mal/Generic-S
Ikarus Trojan.Inject
Cyren W32/Trojan.QKFD-7487
Jiangmin HackTool.Agent.dna
Avira TR/Dldr.Delf.bwbhw
MAX malware (ai score=87)
Arcabit Trojan.Generic.D299EB80
ZoneAlarm HEUR:HackTool.Win32.Agent.gen
Microsoft Trojan:Win32/Ymacco.AA36
Cynet Malicious (score: 90)
AhnLab-V3 Malware/Win32.RL_Generic.R347772
McAfee Fareit-FVP!C009B8889ADA
Malwarebytes Trojan.MalPack.SMY
Panda Trj/GdSda.A
ESET-NOD32 Win32/TrojanDownloader.Delf.CZI
TrendMicro-HouseCall TROJ_GEN.R002C0PHC20
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_99%
GData Trojan.GenericKD.43641728
Webroot W32.Adware.Gen
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
CrowdStrike win/malicious_confidence_90% (W)
Qihoo-360 Win32/Trojan.Hacktool.ccf

How to remove Trojan:Win32/Ymacco.AA36 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

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.AA36 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.AA36 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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