Trojan:Win32/Ymacco.AA7A
James White
Updated on April 02, 2026
What is Trojan:Win32/Ymacco.AA7A infection?
In this article you will certainly discover regarding the interpretation of Trojan:Win32/Ymacco.AA7A and also its unfavorable effect on your computer system. Such ransomware are a kind of malware that is elaborated by online scams to require paying the ransom money by a target.
Most of the instances, Trojan:Win32/Ymacco.AA7A ransomware will advise its targets to launch funds move for the objective of neutralizing the amendments that the Trojan infection has actually presented to the sufferer’s tool.
Trojan:Win32/Ymacco.AA7A Summary
These adjustments can be as follows:
- 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 attempted to delay the analysis task.;
- Attempts to connect to a dead IP:Port (7 unique times);
- 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.
- A process created a hidden window;
- Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
- HTTP traffic contains suspicious features which may be indicative of malware related traffic;
- Performs some HTTP requests;
- Unconventionial language used in binary resources: Russian;
- Uses Windows utilities for basic functionality;
- Steals private information from local Internet browsers;
- Network activity contains more than one unique useragent.;
- Exhibits possible ransomware file modification behavior;
- Collects information about installed applications;
- Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
- Checks the CPU name from registry, possibly for anti-virtualization;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Harvests credentials from local FTP client softwares;
- Harvests information related to installed instant messenger clients;
- 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.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the papers found on the victim’s hard disk drive — so the sufferer can no more make use of the data;
- Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
| mordisemn.com | Trojan-Ransom.Win32.Crypmod.zfq |
| iplogger.org | Trojan-Ransom.Win32.Crypmod.zfq |
| apps.identrust.com | Trojan-Ransom.Win32.Crypmod.zfq |
| ip-api.com | Trojan-Ransom.Win32.Crypmod.zfq |
| Trojan-Ransom.Win32.Crypmod.zfq | |
| isrg.trustid.ocsp.identrust.com | Trojan-Ransom.Win32.Crypmod.zfq |
| ocsp.int-x3.letsencrypt.org | Trojan-Ransom.Win32.Crypmod.zfq |
Trojan:Win32/Ymacco.AA7A
The most typical channels through which Trojan:Win32/Ymacco.AA7A Ransomware Trojans are infused are:
- By means of phishing e-mails;
- As an effect of individual ending up on a resource that organizes a malicious software program;
As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s computer or stop the tool from working in a correct way – while likewise placing a ransom money note that discusses the demand for the sufferers to impact the payment for the objective of decrypting the records or recovering the documents system back to the first condition. In a lot of circumstances, the ransom note will certainly show up when the client restarts the COMPUTER after the system has already been harmed.
Trojan:Win32/Ymacco.AA7A distribution channels.
In various edges of the globe, Trojan:Win32/Ymacco.AA7A grows by jumps as well as bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom quantity might vary depending on certain neighborhood (local) settings. The ransom notes and also techniques of extorting the ransom money quantity might differ depending on specific local (regional) settings.
For example:
Faulty notifies regarding unlicensed software.
In specific locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s gadget. The alert after that requires the customer to pay the ransom.
Faulty statements concerning unlawful web content.
In nations where software program piracy is less prominent, this technique is not as effective for the cyber scams. Alternatively, the Trojan:Win32/Ymacco.AA7A popup alert might incorrectly declare to be deriving from a law enforcement institution and also will report having located child porn or various other unlawful data on the device.
Trojan:Win32/Ymacco.AA7A popup alert might wrongly assert to be obtaining from a regulation enforcement organization and also will report having situated child porn or other illegal information on the device. The alert will similarly contain a need for the individual to pay the ransom money.
Technical details
File Info:
crc32: 661431C4md5: efb5c3dc8a8172f901de39aa20970fa0name: upload_filesha1: c8326d004832b6929aed5f0bc9f535a680e207f4sha256: 7ade7abbc5a8b116e3796360b29d6504c258648fe7691d9c375de7baa652d6c4sha512: ed30f4c6e25a7e186be405135fd6e2812b8ce7353c3c7a151c948ba5e95b929a4b01c2275ae899ac82c71cfbd6246d76b2bf31c6b4bf59a17464247b27049ae4ssdeep: 12288:pANwRo+mv8QD4+0V16o3PQKgVvd4nR51Vsu64i/AQC9xIuGf4Mwbek9F8rlFg:pAT8QE+kRfQKgV+pik9xsiKksrTgtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: wotsuper FileDescription: wotsuper 2.1 Installation FileVersion: 2.1 Comments: CompanyName: wotsuper Translation: 0x0409 0x04e4
Trojan:Win32/Ymacco.AA7A also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetectVM.malware2 |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Trojan.GenericKD.43667896 |
| FireEye | Generic.mg.efb5c3dc8a8172f9 |
| CAT-QuickHeal | Trojan.Chapak |
| McAfee | Artemis!EFB5C3DC8A81 |
| Cylance | Unsafe |
| AegisLab | Trojan.Win32.Chapak.4!c |
| K7AntiVirus | Trojan ( 0056c4e11 ) |
| BitDefender | Trojan.GenericKD.43667896 |
| K7GW | Trojan ( 0056c4e11 ) |
| Cybereason | malicious.04832b |
| Invincea | heuristic |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Paloalto | generic.ml |
| ClamAV | Win.Dropper.Vidar-9182565-0 |
| Kaspersky | Trojan.Win32.Chapak.etpv |
| Alibaba | Trojan:Win32/Chapak.35aeb348 |
| Rising | Trojan.Kryptik!8.8 (CLOUD) |
| Ad-Aware | Trojan.GenericKD.43667896 |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | TROJ_GEN.R057C0DHF20 |
| Fortinet | W32/Agent.OKD!tr |
| Sophos | Mal/Generic-S |
| Ikarus | Trojan-PSW.Agent |
| eGambit | Unsafe.AI_Score_99% |
| MAX | malware (ai score=84) |
| Arcabit | Trojan.Generic.D29A51B8 |
| SUPERAntiSpyware | |
| Microsoft | Trojan:Win32/Ymacco.AA7A |
| Cynet | Malicious (score: 85) |
| AhnLab-V3 | Malware/Win32.Generic.C3733562 |
| VBA32 | BScope.Trojan.Caynamer |
| ALYac | Trojan.GenericKD.43667896 |
| Malwarebytes | Trojan.Downloader |
| ESET-NOD32 | a variant of Win32/Kryptik.HFMF |
| TrendMicro-HouseCall | TROJ_GEN.R057C0DHF20 |
| Tencent | Win32.Trojan.Chapak.Apcv |
| MaxSecure | Trojan-Ransom.Win32.Crypmod.zfq |
| GData | Trojan.GenericKD.43667896 |
| Webroot | W32.Trojan.Gen |
| AVG | Win32:PWSX-gen [Trj] |
| Avast | Win32:PWSX-gen [Trj] |
| CrowdStrike | win/malicious_confidence_60% (W) |
| Qihoo-360 | Win32/Trojan.9ef |
How to remove Trojan:Win32/Ymacco.AA7A 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 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.AA7A 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.
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.
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.AA7A you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
