Trojan:Win32/Ymacco.AA07

What is Trojan:Win32/Ymacco.AA07 infection?

In this post you will certainly find regarding the interpretation of Trojan:Win32/Ymacco.AA07 and also its negative effect on your computer. That trojan can correctly be classified as trojan-downloader. You will see the information about that virus type below.

In the majority of the situations, Trojan:Win32/Ymacco.AA07 infection will not try to show its presence in your system. The more time that virus will be active, the more additional viruses it will bring into your system.

Trojan:Win32/Ymacco.AA07 Summary

That virus makes the following changes into the victim’s system:

  • 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.

  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.

Trojan:Win32/Ymacco.AA07 acts as a downloader for other viruses, preparing the “comfortable” environment for the arriving malware. It makes changes in various system configurations. Usually, units under attack are networking settings and Microsoft Defender. Changing the networking settings can lead to problems with connecting to some websites or servers. Disabling the Windows Defender is much easier to discover, but a lot of users do not use this antivirus tool. Hence, the chance that the virus activity will stay undetected until the additional malware is downloaded is very high.

Trojan:Win32/Ymacco.AA07

The biggest share of Trojan:Win32/Wacatac.D!ml virus distribution is after these methods:

  • Email spam
  • Unlicensed software usage
  • Malvertising on the Web
  • Email spamming became a very popular malware distribution method, since the users do not raise suspicion on notifications from DHL or Amazon about the incoming delivery. However, it is quite easy to distinguish the malevolent email from the original one. One which is send by a cybercriminals has a strange sender address – something like [email protected], while the original email address has a specific domain name (@amazon.com or @dhl.us) and can also be seen on the official website in the “Contact us” tab.

    Malicious advertisements on the web, however, is an old-timer of malware distribution. And the advice to stop clicking the blinking advertisements on untrustworthy websites exists as long as the ads on the Internet. You can also install ad blocking plugins for your web browser – they will deal with any kind of ads. However, if they are generated by adware which is already present on your PC, ad blockers will be useless.

    Software bundling is a widespread practice among the virus developers. Users who hack the programs to make them usable without purchasing a license approve any offer to include another program to the pack, because they are gaining money in such a way. Check precisely the installation window for signs like “Advanced installation settings” or so. The ability to switch off the malware installation often hides under such items.

    Visible effects of Trojan:Win32/Ymacco.AA07 presence.

    In different edges of the world, victims of the Trojan:Win32/Masson.A!ac say about different signs of virus activity. Nonetheless, the common sign of the fact that you PC was infected by a trojan-downloader is a tremendous slowdown of your system. It is very hard to miss that moment, because even the most powerful PCs become slow as snails when 3-5 viruses begin working simultaneously.

    Ransomware injection

    As I mentioned before, Trojan:Win32/Ymacco.AA07 downloader makes several changes to the system configurations. It disables the Microsoft Defender – the embedded anti-malware solution for Windows. A lot of users does not make use of third-party antivirus programs because of the Defender availability. But the fact that it can be disabled in several clicks through the Group Policies settings creates a big risk.

    Another thing which is changed by this trojan virus is networking settings. Exactly, the thing which became changed is the HOSTS file. That file contains a DNS settings for the specific websites. When it comes to Trojan:Win32/Ymacco.AA07 activity, several additional entries are added. These entries allow the virus to connect the control server of malware distributors and get the other viruses. Malware also can block the connection to different anti-malware forums and same-themed sites, in order to prevent searching the malware removal guide.

    Technical details

    File Info:

    crc32: E0BB19A0md5: 3d1c25f2ce0e602d37804d2374537e22name: svchost.exesha1: e988874a4e543ca712a0f139dc505b79ed02c674sha256: 26c533b90aca6cf6d4f7223c9df871b80cff3e7f59b78d73fd2665712206584asha512: 92d9a4a9fbf9129234ce70fd1aa8b5c247f3ed7a826a144bcbf37f82752053fa34bcca64ab39337b144843fa245a77b4d9fd3ea3529ff7bf7cb18f2cec3f04eessdeep: 24576:NuR8Ep7Yy4K88Y1I7JG4oQj/0PVgf2YX5ZB1RrW/s:PEpUy4kOEJGbQIPVWx91RQstype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

    Version Info:

    0: [No Data]

    Trojan:Win32/Ymacco.AA07 also known as:

    GridinSoft Trojan.Ransom.Gen
    Elastic malicious (high confidence)
    FireEye Generic.mg.3d1c25f2ce0e602d
    CAT-QuickHeal Trojanransom.Myxah
    McAfee Artemis!3D1C25F2CE0E
    Cylance Unsafe
    Zillya Trojan.MyxaH.Win32.687
    AegisLab Trojan.Win32.MyxaH.j!c
    K7AntiVirus Riskware ( 0040eff71 )
    BitDefender Trojan.GenericKD.43678073
    K7GW Riskware ( 0040eff71 )
    Cybereason malicious.a4e543
    Cyren W32/Trojan.QFUF-1053
    Symantec ML.Attribute.HighConfidence
    APEX Malicious
    Avast Win32:Malware-gen
    Cynet Malicious (score: 85)
    Kaspersky HEUR:Trojan-Ransom.Win32.MyxaH.gen
    Alibaba Ransom:Win32/MyxaH.89a07d56
    ViRobot Trojan.Win32.Z.Injector.1032945
    MicroWorld-eScan Trojan.GenericKD.43678073
    Rising Trojan.Injector/NSIS!1.CA4F (CLASSIC)
    Ad-Aware Trojan.GenericKD.43678073
    F-Secure Trojan.TR/Injector.nlqnk
    VIPRE Trojan.Win32.Generic!BT
    TrendMicro Ransom_MyxaH.R002C0GHO20
    Sophos Mal/Generic-S
    Ikarus Trojan.Win32.Injector
    Jiangmin TrojanDownloader.Generic.bful
    Avira TR/Injector.nlqnk
    MAX malware (ai score=82)
    Microsoft Trojan:Win32/Ymacco.AA07
    Arcabit Trojan.Generic.D29A7979
    ZoneAlarm HEUR:Trojan-Ransom.Win32.MyxaH.gen
    GData Trojan.GenericKD.43678073
    ALYac Trojan.GenericKD.43678073
    VBA32 Trojan.Casur
    Malwarebytes Trojan.MalPack.NSIS
    Panda Trj/CI.A
    ESET-NOD32 a variant of Win32/Injector.ENAH
    TrendMicro-HouseCall Ransom_MyxaH.R002C0GHO20
    Tencent Win32.Trojan.Myxah.Lkee
    SentinelOne DFI – Suspicious PE
    AVG Win32:Malware-gen
    Paloalto generic.ml
    CrowdStrike win/malicious_confidence_90% (W)
    Qihoo-360 Win32/Trojan.Ransom.a21

    How to remove Trojan:Win32/Ymacco.AA07 ransomware?

    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

    Run the setup file.

    Run Setup.exe
    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 Scanning

    Click on “Clean Now”.

    GridinSoft Anti-Malware Scan Result

    Are Your Protected?

    Full version of GridinSoft

    If the guide doesn’t help you to remove Trojan:Win32/Ymacco.AA07 you can always ask me in the comments for getting help.

    References

      About the author

      Robert Bailey

      Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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