Trojan:Win32/Ymacco.ABA2

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Trojan:Win32/Ymacco.ABA2 infection?

In this article you will certainly find concerning the definition of Trojan:Win32/Ymacco.ABA2 and its unfavorable impact on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a victim.

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Most of the situations, Trojan:Win32/Ymacco.ABA2 virus will certainly instruct its sufferers to start funds transfer for the function of counteracting the amendments that the Trojan infection has presented to the sufferer’s device.

Trojan:Win32/Ymacco.ABA2 Summary

These adjustments can be as adheres to:

  • 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.
  • Attempts to connect to a dead IP:Port (1 unique times);
  • 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.;
  • A process created a hidden window;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • Uses Windows utilities for basic functionality;
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • Writes a potential ransom message to disk;
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Generates some ICMP traffic;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files found on the sufferer’s hard disk drive — so the target can no more make use of the information;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
api.blockcypher.comGen:Variant.Ransom.359
hjhqmbxyinislkkt.1j9r76.topGen:Variant.Ransom.359

Trojan:Win32/Ymacco.ABA2

One of the most common channels where Trojan:Win32/Ymacco.ABA2 are injected are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a source that holds a destructive software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or stop the tool from functioning in a correct fashion – while likewise putting a ransom note that states the requirement for the victims to effect the settlement for the purpose of decrypting the documents or restoring the data system back to the initial condition. In most circumstances, the ransom note will turn up when the client reboots the PC after the system has currently been harmed.

Trojan:Win32/Ymacco.ABA2 circulation channels.

In different corners of the globe, Trojan:Win32/Ymacco.ABA2 expands by leaps and also bounds. However, the ransom notes as well as techniques of extorting the ransom amount may vary depending upon particular regional (regional) setups. The ransom notes and also techniques of extorting the ransom money amount may vary depending on certain neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In particular areas, the Trojans commonly wrongfully report having found some unlicensed applications made it possible for on the sufferer’s tool. The sharp after that demands the customer to pay the ransom money.

    Faulty statements about unlawful web content.

    In countries where software application piracy is less prominent, this approach is not as effective for the cyber fraudulences. Alternatively, the Trojan:Win32/Ymacco.ABA2 popup alert might falsely assert to be stemming from a police organization and will certainly report having located kid pornography or various other prohibited data on the tool.

    Trojan:Win32/Ymacco.ABA2 popup alert might incorrectly claim to be acquiring from a legislation enforcement establishment and also will report having situated child porn or other unlawful information on the device. The alert will in a similar way have a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 684D86B8
md5: fbd74ad87b5cb1f188198cb96631657c
name: FBD74AD87B5CB1F188198CB96631657C.mlw
sha1: 79f93f86a5097ca1d610564b076bed03da375958
sha256: a2f6d4d3dad715ddc3a49aae393b5f13dd6ed5fddf7a28207d77fb761484ce8f
sha512: 84e25f265a2189f50c903a9664003072b685cceb623420fb06fab979274784c563b87c2fbd3d839b33b182545221e3bb3870fb118fb9c090b68a3da956d33e2e
ssdeep: 12288:f9L2AV1A3oQ73/6n62rbu/xiIjKoa+888888888888W88888888888:fp2EFQr/664bSuB
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

CompanyName: Ashampoo Development GmbH & Co. KG

Trojan:Win32/Ymacco.ABA2 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Ransom.359
FireEyeGeneric.mg.fbd74ad87b5cb1f1
CAT-QuickHealRansom.Cerber.A4
Qihoo-360Win32/Trojan.Generic.HxQBar8A
McAfeeRansomware-CBER!FBD74AD87B5C
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005224381 )
BitDefenderGen:Variant.Ransom.359
K7GWTrojan ( 0050ee451 )
Cybereasonmalicious.87b5cb
BitDefenderThetaGen:NN.ZexaF.34590.Eq0@aKQ7mweP
CyrenW32/Cerber.BF.gen!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.GNFS
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Dropper.Cerber-9813018-0
KasperskyHEUR:Trojan.Win32.Generic
AlibabaRansom:Win32/generic.ali2000010
NANO-AntivirusTrojan.Win32.Steam.eprbyw
TencentMalware.Win32.Gencirc.10b1209d
Ad-AwareGen:Variant.Ransom.359
SophosML/PE-A + Mal/Cerber-B
ComodoTrojWare.Win32.Ransom.Cerber.EW@73u1y1
F-SecureHeuristic.HEUR/AGEN.1115125
DrWebTrojan.Encoder.4691
ZillyaTrojan.Zerber.Win32.2668
TrendMicroRansom_HPCERBER.SMALY5A
McAfee-GW-EditionRansomware-CBER!FBD74AD87B5C
EmsisoftGen:Variant.Ransom.359 (B)
IkarusTrojan.Krypt
JiangminTrojan.Zerber.cit
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1115125
MAXmalware (ai score=89)
Antiy-AVLTrojan[Ransom]/Win32.Zerber
MicrosoftTrojan:Win32/Ymacco.ABA2
ArcabitTrojan.Ransom.359
AhnLab-V3Win-Trojan/Cerber.Exp
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Ransom.359
CynetMalicious (score: 100)
Acronissuspicious
VBA32BScope.Trojan.Azden
ALYacGen:Variant.Ransom.359
MalwarebytesCerber.Ransom.Encrypt.DDS
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPCERBER.SMALY5A
RisingTrojan.Kryptik!1.AB5A (CLASSIC)
YandexTrojan.GenAsa!UYfZYyxpgsk
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.HGZD!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Trojan:Win32/Ymacco.ABA2 virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

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

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.ABA2 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.ABA2 you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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