Trojan:Win32/Ymacco.AA2A

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

What is Trojan:Win32/Ymacco.AA2A infection?

In this post you will find regarding the definition of Trojan:Win32/Ymacco.AA2A and its negative influence on your computer system. Such ransomware are a kind of malware that is elaborated by online frauds to require paying the ransom money by a sufferer.

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In the majority of the situations, Trojan:Win32/Ymacco.AA2A infection will certainly instruct its sufferers to initiate funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s device.

Trojan:Win32/Ymacco.AA2A 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.
  • Attempts to connect to a dead IP:Port (5 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.

  • 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;
  • Steals private information from local Internet browsers;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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 drive — so the victim can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains
z.whorecord.xyzW32/Ransom.AYWE-5242
www.ipcode.pwW32/Ransom.AYWE-5242
a.tomx.xyzW32/Ransom.AYWE-5242
iplogger.orgW32/Ransom.AYWE-5242
apps.identrust.comW32/Ransom.AYWE-5242
isrg.trustid.ocsp.identrust.comW32/Ransom.AYWE-5242
crl.identrust.comW32/Ransom.AYWE-5242
ocsp.int-x3.letsencrypt.orgW32/Ransom.AYWE-5242
www.asdgain.xyzW32/Ransom.AYWE-5242

Trojan:Win32/Ymacco.AA2A

One of the most common channels whereby Trojan:Win32/Ymacco.AA2A Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that holds a destructive software;

As soon as the Trojan is efficiently injected, it will either cipher the information on the target’s PC or avoid the device from working in a proper fashion – while additionally positioning a ransom money note that states the requirement for the targets to effect the payment for the objective of decrypting the documents or bring back the documents system back to the first condition. In the majority of instances, the ransom money note will certainly show up when the client restarts the PC after the system has actually currently been harmed.

Trojan:Win32/Ymacco.AA2A distribution channels.

In various edges of the globe, Trojan:Win32/Ymacco.AA2A expands by leaps and bounds. Nonetheless, the ransom money notes as well as methods of extorting the ransom money quantity may vary depending upon specific neighborhood (local) settings. The ransom notes as well as tricks of extorting the ransom amount may differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In particular locations, the Trojans usually wrongfully report having detected some unlicensed applications allowed on the victim’s device. The sharp then demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful web content.

    In nations where software application piracy is much less preferred, this method is not as effective for the cyber scams. Additionally, the Trojan:Win32/Ymacco.AA2A popup alert may wrongly declare to be deriving from a police establishment and will report having situated youngster porn or various other prohibited information on the device.

    Trojan:Win32/Ymacco.AA2A popup alert may falsely declare to be obtaining from a law enforcement institution and also will certainly report having situated youngster porn or various other illegal information on the tool. The alert will likewise contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: C836CE31
md5: 148eb56c204b9b9e1843472e51c909d8
name: tmpzju7zauv
sha1: 6f120723ebaa3af03fce8e59d7439f29e1489b55
sha256: 45bfb2f9a906eea42cb46ceade7a4225b8ea64e007da77bf9d5c64d26483564b
sha512: 51985d7df45fd0b37bd4e2a6a797bcfc861f770e97046857cd5b5ab5c143c60c14193c2506a8ce75996ce87a85853e9dedf31ecc1928dbf6a849a4d21b56e575
ssdeep: 24576:+yIsS2rKZlgXuAyehDU1/u68XIMveE07MVxdD1u:+yIdUOKXP2PMVxdDA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion:
CompanyName:
Comments: This installation was built with Inno Setup.
ProductName: searzar
ProductVersion: 20.06
FileDescription: searzar Setup
Translation: 0x0000 0x04b0

Trojan:Win32/Ymacco.AA2A also known as:

GridinSoftTrojan.Ransom.Gen
MicroWorld-eScanGen:Variant.Razy.699581
FireEyeGen:Variant.Razy.699581
CylanceUnsafe
K7AntiVirusSpyware ( 005484541 )
BitDefenderGen:Variant.Razy.699581
K7GWSpyware ( 005484541 )
CrowdStrikewin/malicious_confidence_80% (D)
BitDefenderThetaGen:NN.ZexaF.34130.FmLfaCsIIsgj
SymantecTrojan.Gen.2
KasperskyHEUR:Trojan-PSW.Win32.Disbuk.gen
AlibabaTrojanSpy:Win32/Socelars.229feb4b
AegisLabTrojan.Win32.Disbuk.i!c
RisingStealer.Socelars!1.BC83 (CLOUD)
SophosMal/Generic-S
ComodoMalware@#gdyptjn33lzz
F-SecureTrojan.TR/AD.DisSteal.cqc
McAfee-GW-EditionBehavesLike.Win32.AdwareFileTour.bc
EmsisoftGen:Variant.Razy.699581 (B)
IkarusTrojan-Spy.Agent
CyrenW32/Ransom.AYWE-5242
WebrootW32.Trojan.Gen
AviraTR/AD.DisSteal.cqc
FortinetW32/Disbuk.S!tr.pws
Endgamemalicious (high confidence)
ArcabitTrojan.Razy.DAACBD
ZoneAlarmHEUR:Trojan-PSW.Win32.Disbuk.gen
MicrosoftTrojan:Win32/Ymacco.AA2A
AhnLab-V3Malware/Win32.RL_Generic.R339916
McAfeeArtemis!148EB56C204B
MAXmalware (ai score=80)
VBA32TrojanPSW.Disbuk
MalwarebytesSpyware.PasswordStealer
APEXMalicious
ESET-NOD32a variant of Win32/Spy.Socelars.S
TencentWin32.Trojan-qqpass.Qqrob.Dxni
GDataGen:Variant.Razy.699581
AVGWin32:PWSX-gen [Trj]
Cybereasonmalicious.c204b9
AvastWin32:PWSX-gen [Trj]
Qihoo-360Win32/Trojan.PSW.3d5

How to remove Trojan:Win32/Ymacco.AA2A 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

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:

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.AA2A 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.AA2A 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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