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The Daily Insight

Trojan:Win32/Ymacco.AA18

Author

Olivia Norman

Updated on April 02, 2026

What is Trojan:Win32/Ymacco.AA18 infection?

In this article you will certainly discover regarding the definition of Trojan:Win32/Ymacco.AA18 and its negative effect on your computer. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom money by a target.

Most of the cases, Trojan:Win32/Ymacco.AA18 ransomware will advise its victims to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.

Trojan:Win32/Ymacco.AA18 Summary

These modifications can be as adheres to:

  • Expresses interest in specific running processes;
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Attempts to stop active services;
  • Exhibits possible ransomware file modification behavior;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers found on the target’s hard disk drive — so the target can no longer use the information;
  • Preventing routine access to the victim’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.AA18

One of the most common networks whereby Trojan:Win32/Ymacco.AA18 Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of customer ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or prevent the device from operating in a proper manner – while additionally positioning a ransom note that states the need for the targets to impact the payment for the objective of decrypting the files or recovering the file system back to the initial condition. In a lot of instances, the ransom note will certainly come up when the customer restarts the COMPUTER after the system has already been damaged.

Trojan:Win32/Ymacco.AA18 circulation channels.

In different edges of the globe, Trojan:Win32/Ymacco.AA18 grows by jumps and also bounds. Nonetheless, the ransom notes and techniques of obtaining the ransom amount might differ depending on specific regional (local) setups. The ransom money notes as well as methods of extorting the ransom amount may differ depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software.

    In certain locations, the Trojans often wrongfully report having actually detected some unlicensed applications allowed on the victim’s device. The sharp then demands the customer to pay the ransom.

    Faulty statements concerning illegal material.

    In countries where software piracy is much less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Trojan:Win32/Ymacco.AA18 popup alert might wrongly assert to be originating from a law enforcement institution and also will report having located child porn or various other unlawful information on the device.

    Trojan:Win32/Ymacco.AA18 popup alert may wrongly claim to be obtaining from a law enforcement organization and will certainly report having located child pornography or various other unlawful information on the tool. The alert will in a similar way consist of a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 3C7C1F56md5: 9b9b58957af6294095d6e81876a71709name: 9B9B58957AF6294095D6E81876A71709.mlwsha1: d60887f8a2268a05bd0e71cbef9ef4e177e2ad20sha256: 18b216916e59bf93a9cb65c803def6cd3b6fa601ab87b4d8bd3bc8d50cec8babsha512: 07be8a95fea701db2d17d29def8255cfbc3fabe08523157d86edb054f0a8e528fb03fb3bdc600a5b495752a6d4ae063de3cdd76580885f0cf0a7dec5e081e667ssdeep: 3072:Qz+O8Ujn9HMltncfggPuvnzW1h81X494/p5pJKTMwsia7CfGbGnLsQkE3A1x6Ax:W+O8Cqltu9cVf4uZZELsQkEQDQJztype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA18 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanDeepScan:Generic.Ransom.Spora.5B047B89
McAfeeRDN/Ransom
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.DelShad.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 0055a1ff1 )
BitDefenderDeepScan:Generic.Ransom.Spora.5B047B89
K7GWTrojan ( 0055a1ff1 )
Cybereasonmalicious.57af62
ArcabitDeepScan:Generic.Ransom.Spora.5B047B89
ESET-NOD32a variant of Win32/Filecoder.GandCrab.G
APEXMalicious
AvastFileRepMalware
KasperskyTrojan.Win32.DelShad.fzi
AlibabaTrojan:Win32/DelShad.6c1f27da
NANO-AntivirusTrojan.Win32.DelShad.inowsi
Ad-AwareDeepScan:Generic.Ransom.Spora.5B047B89
TACHYONRansom/W32.ShadowCryptor.332288
SophosMal/Generic-S
F-Secure
DrWebTrojan.PWS.Siggen2.47603
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
MaxSecureTrojan.Malware.300983.susgen
FireEyeGeneric.mg.9b9b58957af62940
EmsisoftDeepScan:Generic.Ransom.Spora.5B047B89 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/FileCoder.uodcg
Antiy-AVLTrojan/Win32.DelShad
GridinsoftRansom.Win32.Gandcrab.sa
MicrosoftTrojan:Win32/Ymacco.AA18
ZoneAlarmTrojan.Win32.DelShad.fzi
GDataDeepScan:Generic.Ransom.Spora.5B047B89
CynetMalicious (score: 100)
VBA32BScope.Trojan.DelShad
ALYacDeepScan:Generic.Ransom.Spora.5B047B89
MAXmalware (ai score=80)
MalwarebytesMalware.Heuristic.1003
PandaTrj/GdSda.A
TrendMicro-HouseCallTROJ_GEN.R002C0PCB21
RisingRansom.ShadowCryptor!1.C536 (CLASSIC)
YandexTrojan.Filecoder!9Wgs3RBZzmc
IkarusTrojan-Ransom.GandCrab
eGambitUnsafe.AI_Score_99%
FortinetW32/GandCrab.G!tr.ransom
BitDefenderThetaAI:Packer.65EFB1D91E
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Ransom.Spora.HwsB044A

How to remove Trojan:Win32/Ymacco.AA18 virus?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.AA18 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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Trojan:Win32/Ymacco.AA18 you can always ask me in the comments for getting help.

References

  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products: