Ymacco Trojan — Trojan:Win32/Ymacco.AADC
Olivia Norman
Updated on March 26, 2026
What is Ymacco trojan infection?
In this article, you will find out the meaning of Trojan:Win32/Ymacco.AADC as well as its negative effect on your computer system. This trojan virus is a kind of malware that is used by cybercriminals to disable antivirus solutions and infect your system with much more dangerous malware
In the majority of cases, Trojan:Win32/Ymacco.AADC virus shows no strict signs of its presence in your system. However, the attentive user will definitely see something wrong with Microsoft Defender and several other system elements.
Trojan:Win32/Ymacco.AADC Summary
The changes done by this virus are:
- Editing the Group Policies in order to disable the Microsoft Defender
- Editing the registry key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Dnscache;
- Adding its own registry key to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run.
| z.whorecord.xyz | Trojan.Ransom.GenericKD.33961951 |
| a.tomx.xyz | Trojan.Ransom.GenericKD.33961951 |
Trojan:Win32/Ymacco.AADC distribution ways
The most common channels through which Trojan:Win32/Ymacco.AADC Ransomware Trojans are injected are:
- Malvertising in the Internet;
- E-mail spamming; the virus is hidden inside of the attached item
- Software bundles, i.e. situations when there is several programs distributed as a single one, without the primary notifying the user.
To avoid the Ymacco.AADC penetration into your computer, be very careful while browsing the dubious websites and installing the programs you got from them. These sites often have no HTTPS certificate and also have a lot of blinking ads with questionable content. E-mail spamming is harder to avoid. However, it is easier to check if the sender is really a person he introduced as.
Trojan:Win32/Ymacco.AADC visible effects.
After the successful injection into the system, Trojan:Win32/Ymacco.AADC virus makes your system more vulnerable to malware attacks. First of all, it adds itself into HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run registry hive, which allows it to load together with the system. Then, Group Policy changes are done. That step is targeted on the Microsoft Defender, which can be disabled in such away. Finally, Ymacco.AADC downloads other viruses that are stored on the server, which malware distributors handle.
Possible visible signs of virus presence are next:
- Spontaneouly appearing console windows, which disappear in less than a second;
- Performance plummence;
- High CPU/RAM load, strange processes in the Task Manager.
Technical details
File Info:
crc32: 89031271md5: 23e7e8bddbf8e7cca793bec406ec9088name: injector_v3.sfx.exesha1: b16243cf9c046a160d254776659ae975d043509dsha256: ec1219ac45929d41e0c4ae31603fa00bf42db1ae64456c2c3f9d01bd90a446f9sha512: 87a9ae4490774e2a883e676b32fd24719e83ce4e7c2ad7d5a3e4bf127a8fad2b84c30daca80d4c26b00687abf0a58ee32bc013f64c1693790106ee616e0a5d86ssdeep: 12288:0Qnk3GDYKGcblwtX+t4Y8EHTUFxCLthfdG:IAOcZwXYxHTUFoLtxdGtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan:Win32/Ymacco.AADC also known as:
| GridinSoft | Trojan.Ransom.Gen |
| MicroWorld-eScan | Trojan.Ransom.GenericKD.33961951 |
| FireEye | Generic.mg.23e7e8bddbf8e7cc |
| CAT-QuickHeal | Trojanransom.Encoder |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Trojan.Win32.Encoder.j!c |
| K7AntiVirus | Trojan ( 004fbb2b1 ) |
| BitDefender | Trojan.Ransom.GenericKD.33961951 |
| K7GW | Trojan ( 004fbb2b1 ) |
| CrowdStrike | win/malicious_confidence_70% (W) |
| Symantec | Trojan.Gen.MBT |
| APEX | Malicious |
| Avast | Win32:Trojan-gen |
| GData | Trojan.Ransom.GenericKD.33961951 |
| Kaspersky | Trojan-Ransom.Win32.Encoder.jbu |
| Alibaba | Trojan:BAT/KillFiles.da434272 |
| Sophos | Mal/Generic-S |
| Comodo | Malware@#1cs8few0815nm |
| F-Secure | |
| Zillya | Trojan.Agent.Win32.1289947 |
| Invincea | heuristic |
| McAfee-GW-Edition | BehavesLike.Win32.Backdoor.gc |
| Emsisoft | Trojan.Ransom.GenericKD.33961951 (B) |
| Ikarus | Trojan.BAT.KillFiles |
| Cyren | BAT/KillFil.BQ |
| Avira | TR/BAT.Agent.vifap |
| MAX | malware (ai score=83) |
| Microsoft | Trojan:Win32/Ymacco.AADC |
| Arcabit | Trojan.Ransom.Generic.D20637DF |
| ZoneAlarm | Trojan-Ransom.Win32.Encoder.jbu |
| ALYac | Trojan.Ransom.GenericKD.33961951 |
| Ad-Aware | Trojan.Ransom.GenericKD.33961951 |
| Malwarebytes | Trojan.KillFiles.BAT |
| ESET-NOD32 | BAT/KillFiles.NKC |
| Tencent | Win32.Trojan.Encoder.Hsix |
| Fortinet | BAT/KillFiles.NKB!tr |
| AVG | Win32:Trojan-gen |
| Cybereason | malicious.ddbf8e |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Trojan.Ransom.1ad |
How to remove Trojan:Win32/Ymacco.AADC ransomware?
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:
Download GridinSoft Anti-MalwareRun the setup file.
When the setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Trojan:Win32/Ymacco.AADC files and other malicious programs. This process can take 20-30 minutes, so I suggest you periodically check on the status of the scan process.
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 the right corner.
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 Anti-Malware
If the guide doesn’t help you to remove Trojan:Win32/Ymacco.AADC you can always ask me in the comments to get help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
