Trojan:Win32/Ymacco.AA5A

What is Trojan:Win32/Ymacco.AA5A infection?

In this article you will certainly discover concerning the interpretation of Trojan:Win32/Ymacco.AA5A as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to require paying the ransom by a sufferer.

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In the majority of the situations, Trojan:Win32/Ymacco.AA5A virus will certainly instruct its sufferers to start funds transfer for the function of counteracting the amendments that the Trojan infection has introduced to the victim’s tool.

Trojan:Win32/Ymacco.AA5A Summary

These adjustments can be as adheres to:

  • 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.
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Uses Windows utilities for basic functionality;
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • Writes a potential ransom message to disk;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s hard disk drive — so the victim can no longer utilize the data;
  • Preventing routine 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.

Trojan:Win32/Ymacco.AA5A

One of the most typical networks where Trojan:Win32/Ymacco.AA5A Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a source that hosts a harmful software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s computer or prevent the device from operating in a correct fashion – while additionally putting a ransom note that discusses the need for the sufferers to effect the payment for the objective of decrypting the files or restoring the data system back to the initial condition. In the majority of circumstances, the ransom note will certainly show up when the client restarts the PC after the system has currently been damaged.

Trojan:Win32/Ymacco.AA5A circulation networks.

In numerous edges of the world, Trojan:Win32/Ymacco.AA5A grows by jumps as well as bounds. However, the ransom money notes and also methods of obtaining the ransom money quantity might vary depending on specific local (local) settings. The ransom notes as well as methods of extorting the ransom quantity might differ depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the sufferer’s tool. The sharp then requires the user to pay the ransom.

    Faulty statements regarding illegal material.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber fraudulences. Alternatively, the Trojan:Win32/Ymacco.AA5A popup alert might incorrectly declare to be deriving from a law enforcement establishment and will report having located youngster porn or various other prohibited information on the device.

    Trojan:Win32/Ymacco.AA5A popup alert may incorrectly assert to be acquiring from a law enforcement establishment and will report having located child pornography or other unlawful information on the gadget. The alert will likewise have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 82F6346B
md5: 249261d038b6b3aeb8c300581c454acf
name: 249261D038B6B3AEB8C300581C454ACF.mlw
sha1: 18f1d75ac1bcb0438cb92c5e263e39e0fdc4135b
sha256: 5a8c3931896bfeafb59f7fd713d0781f0057b3afa3b4dcde92db1bdeaabddd17
sha512: 276a21aa46da64e812c843bc0305be8b553f2254f69c1d52c62b5c0cf61929a529190b6e540daf2a5fbc71608193deced5c2cb188410467173bfc6f79c3637b3
ssdeep: 12288:79L2AV1fwdoZeXjRGx0IjKoa+888888888888W88888888888:7p2ELeXjkuB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

CompanyName: Ashampoo Development GmbH & Co. KG

Trojan:Win32/Ymacco.AA5A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005224381 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Cerber.A4
McAfee Ransomware-CBER!249261D038B6
Cylance Unsafe
Zillya Trojan.GenKryptik.Win32.9454
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/generic.ali2000010
K7GW Trojan ( 0050ee541 )
Cybereason malicious.038b6b
Cyren W32/Cerber.BF.gen!Eldorado
Symantec Packed.Generic.459
ESET-NOD32 a variant of Win32/Kryptik.GNFS
APEX Malicious
Avast Win32:Filecoder-BG [Trj]
ClamAV Win.Ransomware.Razy-6933741-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Ransom.359
NANO-Antivirus Trojan.Win32.Zerber.epvrfz
MicroWorld-eScan Gen:Variant.Ransom.359
Tencent Malware.Win32.Gencirc.10b28f33
Ad-Aware Gen:Variant.Ransom.359
Sophos ML/PE-A + Mal/Cerber-B
Comodo Worm.Win32.Gamarue.BL@73wv8y
BitDefenderTheta Gen:NN.ZexaF.34628.Iq0@aW1wqUhP
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPCERBER.SMALY5A
McAfee-GW-Edition Ransomware-CBER!249261D038B6
FireEye Generic.mg.249261d038b6b3ae
Emsisoft Gen:Variant.Ransom.359 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.cjv
Webroot W32.Ransom.Gen
Avira HEUR/AGEN.1115125
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Ymacco.AA5A
AegisLab Trojan.Win32.Zerber.j!c
GData Gen:Variant.Ransom.359
AhnLab-V3 Win-Trojan/Cerber.Exp
Acronis suspicious
VBA32 BScope.Trojan.Encoder
MAX malware (ai score=81)
Malwarebytes Cerber.Ransom.Encrypt.DDS
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPCERBER.SMALY5A
Rising Ransom.Agent!8.6B7 (C64:YzY0OnK1IIqTQrpa)
Yandex Trojan.GenAsa!vwkcgFQPgUg
Ikarus Trojan.Krypt
Fortinet W32/Kryptik.HGZD!tr
AVG Win32:Filecoder-BG [Trj]
Qihoo-360 Win32/Ransom.Filecoder.HxQBt9YA

How to remove Trojan:Win32/Ymacco.AA5A 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

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.

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.AA5A 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.AA5A 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/products/

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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