Trojan:Win32/Ymacco.AAD4

Written by Robert Bailey

What is Trojan:Win32/Ymacco.AAD4 infection?

In this short article you will certainly locate about the interpretation of Trojan:Win32/Ymacco.AAD4 and also its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on-line frauds to require paying the ransom by a target.

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Most of the cases, Trojan:Win32/Ymacco.AAD4 ransomware will certainly instruct its victims to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has actually introduced to the victim’s gadget.

Trojan:Win32/Ymacco.AAD4 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Presents an Authenticode digital signature;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the target’s hard disk drive — so the victim can no more utilize the information;
  • 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.
Similar behavior
Related domains
z.whorecord.xyz HEUR:Trojan-Ransom.Win32.Blocker.gen
a.tomx.xyz HEUR:Trojan-Ransom.Win32.Blocker.gen

Trojan:Win32/Ymacco.AAD4

One of the most regular networks through which Trojan:Win32/Ymacco.AAD4 Trojans are infused 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 an effect of individual ending up on a source that organizes a malicious software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s PC or stop the device from functioning in an appropriate manner – while likewise putting a ransom money note that points out the need for the victims to impact the settlement for the purpose of decrypting the files or restoring the file system back to the first condition. In many instances, the ransom money note will turn up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Trojan:Win32/Ymacco.AAD4 circulation networks.

In various edges of the world, Trojan:Win32/Ymacco.AAD4 grows by jumps as well as bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom quantity may differ relying on specific neighborhood (regional) setups. The ransom money notes and techniques of obtaining the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software application.

    In specific locations, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s gadget. The alert after that demands the user to pay the ransom.

    Faulty declarations about prohibited content.

    In countries where software program piracy is much less popular, this approach is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Ymacco.AAD4 popup alert may wrongly declare to be originating from a police organization and will certainly report having located youngster pornography or other illegal data on the tool.

    Trojan:Win32/Ymacco.AAD4 popup alert may incorrectly claim to be deriving from a legislation enforcement organization as well as will report having situated kid pornography or other illegal data on the tool. The alert will in a similar way contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: B59F604F
md5: 1a328017740757e16cb7ac98df27e043
name: 1A328017740757E16CB7AC98DF27E043.mlw
sha1: 90dbd81a477bedf86d2eb96fbbf274bacf606f7f
sha256: d41ec4b08eee7e5c1d34cdb17e9a9828f1901d90ef8c691a66c21c3fe72fc44b
sha512: cd9c2d676a904b3ef21c51315af16de831c1a2e5fcc6ef86ab23ad95f7c79661a6eb6fd7fde91d064cf84e031c3f5409a771d90db6708369ac4cf5350d3b5d01
ssdeep: 24576:xa2TJhFr15AbPCragKKTZxUScffBxsqPerMmzZC3N4Sr5RPEwdCkEC3NKbemaF8:xa2lnOPC5nURxsqPerMmzZC3N4Sr5RP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AAD4 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware2
Elastic malicious (high confidence)
DrWeb Trojan.Siggen11.30935
MicroWorld-eScan Trojan.GenericKD.35280938
ALYac Trojan.GenericKD.35280938
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Blocker.j!c
K7AntiVirus Trojan ( 005735671 )
BitDefender Trojan.GenericKD.35280938
K7GW Trojan ( 005735671 )
CrowdStrike win/malicious_confidence_100% (W)
Invincea Mal/Generic-S
Cyren W32/Trojan.GMBN-5289
Symantec ML.Attribute.HighConfidence
APEX Malicious
Paloalto generic.ml
Kaspersky HEUR:Trojan-Ransom.Win32.Blocker.gen
Alibaba Ransom:Win32/Blocker.1710db6f
ViRobot Trojan.Win32.Z.Injector.1025392
Tencent Win32.Trojan.Falsesign.Dxws
Ad-Aware Trojan.GenericKD.35280938
Sophos Mal/Generic-S
F-Secure Trojan.TR/Injector.kohdz
TrendMicro Ransom_Blocker.R06CC0PKJ20
McAfee-GW-Edition Fareit-FZO!1A3280177407
Emsisoft Trojan.Injector (A)
Ikarus Trojan.Inject
eGambit PE.Heur.InvalidSig
Avira TR/Injector.kohdz
Antiy-AVL Trojan/Win32.Injector
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Trojan:Win32/Ymacco.AAD4
Gridinsoft Ransom.Win32.Blocker.oa
Arcabit Trojan.Generic.D21A582A
ZoneAlarm HEUR:Trojan-Ransom.Win32.Blocker.gen
GData Trojan.GenericKD.35280938
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Fareit.R355928
Acronis suspicious
McAfee Fareit-FZO!1A3280177407
MAX malware (ai score=100)
VBA32 TScope.Trojan.Delf
Malwarebytes Trojan.MalPack.SMY
Zoner Trojan.Win32.98574
ESET-NOD32 a variant of Win32/Injector.ENXX
TrendMicro-HouseCall Ransom_Blocker.R06CC0PKJ20
Rising Trojan.Injector!8.C4 (TFE:5:HyXuyVohKPI)
SentinelOne Static AI – Suspicious PE
Fortinet W32/ENXX.FZO!tr
Webroot W32.Trojan.Gen
AVG Win32:Trojan-gen
Panda Trj/CI.A
Qihoo-360 Win32/Trojan.Ransom.ed7

How to remove Trojan:Win32/Ymacco.AAD4 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.

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Press “Install” button.

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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.AAD4 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.AAD4 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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