Written by Robert Bailey

What is Trojan:Win32/Ymacco.AB5A infection?

In this post you will certainly find regarding the meaning of Trojan:Win32/Ymacco.AB5A as well as its unfavorable effect on your computer system. 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 instances, Trojan:Win32/Ymacco.AB5A ransomware will instruct its victims to start funds transfer for the function of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s tool.

Trojan:Win32/Ymacco.AB5A Summary

These alterations can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the sufferer’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing routine access 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.


One of the most normal networks through which Trojan:Win32/Ymacco.AB5A Ransomware are infused are:

  • By means of phishing emails;
  • As an effect of user winding up on a resource that holds a malicious software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or prevent the device from working in a correct way – while additionally putting a ransom note that states the need for the sufferers to impact the repayment for the objective of decrypting the files or restoring the data system back to the preliminary problem. In most circumstances, the ransom money note will turn up when the client reboots the COMPUTER after the system has currently been harmed.

Trojan:Win32/Ymacco.AB5A distribution networks.

In numerous edges of the world, Trojan:Win32/Ymacco.AB5A grows by leaps as well as bounds. However, the ransom money notes and methods of obtaining the ransom amount may vary depending on specific regional (regional) setups. The ransom money notes and methods of obtaining the ransom amount may differ depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty statements regarding illegal content.

    In countries where software piracy is much less prominent, this method is not as reliable for the cyber scams. Conversely, the Trojan:Win32/Ymacco.AB5A popup alert might wrongly assert to be originating from a law enforcement institution and also will report having situated kid porn or other prohibited data on the device.

    Trojan:Win32/Ymacco.AB5A popup alert might falsely claim to be acquiring from a regulation enforcement establishment and will report having located kid pornography or other prohibited data on the device. The alert will similarly include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: F0F1BB5E
md5: bcc4453f75794e92ecf6de6e760ab9f4
name: BCC4453F75794E92ECF6DE6E760AB9F4.mlw
sha1: dee36269cf15023abed5ce7ce191673bb06f1b52
sha256: 5ac675845b2297d2e2a389d0d21678679391f22f88fc8e538cb7a3db09d718ff
sha512: 49b2ade0607a3aa307c81f43b7bc50de678d0c764f27c22d63e0669a0da43d234e691b1a4bc784f94d18344d26d23afe426b87e60d144f7a917190bd19a3c602
ssdeep: 6144:sdoa/CB4opHerGCJqHh5+lz+5BTncHeD20KazEq:sKaqBzp+rGdhvn52biEq
type: PE32 executable (Unknown subsystem 0x0) Unknown processor type 0x0, for MS Windows

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AB5A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Virus ( 0040f99f1 )
Elastic malicious (high confidence)
DrWeb Win32.VirLock.1
ClamAV BC.Win.Virus.Ransom-9157.A
Malwarebytes Malware.AI.198490433
Zillya Virus.PolyRansom.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Virus ( 0040f99f1 )
Cybereason malicious.f75794
Cyren W32/S-27bc0672!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:VirLock-AG [Trj]
Cynet Malicious (score: 100)
BitDefender Trojan.Obfus.3.Gen
MicroWorld-eScan Trojan.Obfus.3.Gen
Ad-Aware Trojan.Obfus.3.Gen
Sophos Mal/Generic-S
Comodo Packed.Win32.Graybird.B@5hgpd5
BitDefenderTheta AI:FileInfector.1F8DFD280F
VIPRE Virus.Win32.Nabucur.a (v)
McAfee-GW-Edition BehavesLike.Win32.VirRansom.dc
FireEye Trojan.Obfus.3.Gen
Emsisoft Trojan.Obfus.3.Gen (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Win32/Polyransom.a
Microsoft Trojan:Win32/Ymacco.AB5A
AegisLab Trojan.Win32.Obfus.4!c
GData Trojan.Obfus.3.Gen
TACHYON Virus/W32.VirRansom.C
AhnLab-V3 Win32/Nabucur
Acronis suspicious
McAfee W32/VirRansom
MAX malware (ai score=99)
TrendMicro-HouseCall PE_VIRLOCK.F
Rising Trojan.Upatre!8.648F (CLOUD)
Ikarus Virus-Ransom.FileLocker
MaxSecure Virus.PolyRansom.a
Fortinet W32/VirRansom.F
AVG Win32:VirLock-AG [Trj]
Qihoo-360 Win32/Ransom.PolyRansom.HgYASS4A

How to remove Trojan:Win32/Ymacco.AB5A 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.AB5A 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.AB5A you can always ask me in the comments for getting help.

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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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