Trojan:Win32/Ymacco.AAF4
Christopher Martinez What is Trojan:Win32/Ymacco.AAF4 infection?
In this short article you will locate concerning the interpretation of Trojan:Win32/Ymacco.AAF4 and also its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by on-line scams to require paying the ransom by a target.
In the majority of the instances, Trojan:Win32/Ymacco.AAF4 virus will certainly advise its victims to initiate funds move for the function of neutralizing the changes that the Trojan infection has actually introduced to the victim’s gadget.
Trojan:Win32/Ymacco.AAF4 Summary
These modifications 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.;
- 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;
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Looks up the external IP address;
- Uses Windows utilities for basic functionality;
- Deletes its original binary from disk;
- Installs itself for autorun at Windows startup.
There is simple tactic using the Windows startup folder located at:
C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.The registry run keys perform the same action, and can be located in different locations:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- A process sent information about the computer to a remote location.;
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Uses suspicious command line tools or Windows utilities;
- Ciphering the documents located on the sufferer’s hard disk — so the victim can no more utilize the information;
- Preventing regular accessibility to the victim’s workstation;
| api.ipify.org | Ransom.Locky!8.1CD4 (TFE:4:bMxrIrQfRnU) |
| iverspriturs.com | Ransom.Locky!8.1CD4 (TFE:4:bMxrIrQfRnU) |
Trojan:Win32/Ymacco.AAF4
The most common networks whereby Trojan:Win32/Ymacco.AAF4 are infused are:
- By means of phishing e-mails;
- As a repercussion of user ending up on a source that hosts a harmful software application;
As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s PC or avoid the gadget from operating in a proper manner – while also positioning a ransom note that discusses the demand for the targets to effect the payment for the function of decrypting the files or recovering the data system back to the preliminary condition. In a lot of instances, the ransom note will show up when the customer restarts the PC after the system has currently been damaged.
Trojan:Win32/Ymacco.AAF4 distribution channels.
In numerous corners of the globe, Trojan:Win32/Ymacco.AAF4 expands by leaps as well as bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom money amount might differ depending on particular regional (regional) settings. The ransom money notes as well as methods of obtaining the ransom quantity might vary depending on particular regional (local) settings.
For instance:
Faulty notifies concerning unlicensed software program.
In specific areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The alert then demands the customer to pay the ransom.
Faulty statements regarding illegal content.
In nations where software piracy is much less preferred, this technique is not as efficient for the cyber scams. Additionally, the Trojan:Win32/Ymacco.AAF4 popup alert might wrongly assert to be deriving from a law enforcement organization and also will report having situated kid porn or other illegal data on the device.
Trojan:Win32/Ymacco.AAF4 popup alert may incorrectly declare to be deriving from a law enforcement organization and will report having situated youngster porn or various other illegal information on the tool. The alert will in a similar way have a demand for the user to pay the ransom money.
Technical details
File Info:
crc32: 23D2C514md5: e8a8c90d7da67da7ee790e9e49127cf7name: upload_filesha1: 65731d02a9a9899b1ee72e822d3dab2129fffa9asha256: f4427ef6b665bf0563f23fde314caf9f905ab1e049fc5c0b33384d526ec3cbf1sha512: aa0c0cb8aa0d6864da79cee8e14c3dd70d320d42ca19b999be34a243416011aea3fb9b02a10b860234dde7abfaef6ef4fca704233258beb1b182fb0c043fb9a3ssdeep: 3072:5aJU0yU9VRyDIdp9D9d8GpfJd5DSqvOYxdZo5KKtRmHeuYHxrOxf:5asKdp95mG/2qJduQSRoeuWxtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
Comments: Auxiliary program for Internet Download ManagerCompanyName: Tonec Inc.Translation: 0x0409 0x04b0
Trojan:Win32/Ymacco.AAF4 also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetectVM.malware1 |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Trojan.GenericKD.34773835 |
| FireEye | Generic.mg.e8a8c90d7da67da7 |
| CAT-QuickHeal | Trojan.Wacatac |
| McAfee | RDN/Generic Downloader.x |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| Sangfor | Malware |
| K7AntiVirus | Trojan ( 0040f0ce1 ) |
| BitDefender | Trojan.GenericKD.34773835 |
| K7GW | Trojan-Downloader ( 0040f0ce1 ) |
| Cybereason | malicious.2a9a98 |
| TrendMicro | TrojanSpy.Win32.QAKBOT.SMTHA.hp |
| Cyren | W32/Locky.H2.gen!Eldorado |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Kaspersky | Trojan-Downloader.Win32.Geral.brap |
| Alibaba | Trojan:Win32/Emotet.158 |
| Rising | Ransom.Locky!8.1CD4 (TFE:4:bMxrIrQfRnU) |
| Ad-Aware | Trojan.GenericKD.34773835 |
| Sophos | Mal/Generic-S |
| Comodo | Malware@#1fieb75bbkaxf |
| F-Secure | |
| DrWeb | Trojan.DownLoader35.709 |
| Invincea | Mal/Generic-S |
| McAfee-GW-Edition | BehavesLike.Win32.Trickbot.ht |
| Emsisoft | Trojan.GenericKD.34773835 (B) |
| Ikarus | Trojan-Ransom.Shade |
| Webroot | W32.Rogue.Gen |
| Avira | TR/Crypt.Agent.ziiwf |
| Microsoft | Trojan:Win32/Ymacco.AAF4 |
| Arcabit | Trojan.Generic.D2129B4B |
| ZoneAlarm | Trojan-Downloader.Win32.Geral.brap |
| GData | Trojan.GenericKD.34773835 |
| Cynet | Malicious (score: 100) |
| Acronis | suspicious |
| BitDefenderTheta | Gen:NN.ZexaF.34570.Fq0@aOJliwli |
| ALYac | Trojan.GenericKD.34773835 |
| MAX | malware (ai score=86) |
| VBA32 | BScope.Trojan.Wacatac |
| Malwarebytes | Trojan.Injector |
| Panda | Trj/GdSda.A |
| ESET-NOD32 | a variant of Win32/Kryptik.CVYW |
| TrendMicro-HouseCall | TrojanSpy.Win32.QAKBOT.SMTHA.hp |
| Tencent | Win32.Trojan-downloader.Geral.Amce |
| SentinelOne | DFI – Malicious PE |
| eGambit | Unsafe.AI_Score_99% |
| Fortinet | W32/Zenpak.AWSE!tr |
| AVG | FileRepMalware |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Qihoo-360 | Generic/HEUR/QVM20.1.9647.Malware.Gen |
How to remove Trojan:Win32/Ymacco.AAF4 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.AAF4 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.AAF4 you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
