What is Ransom:Win32/Ryuk.AA infection?

In this post you will discover concerning the definition of Ransom:Win32/Ryuk.AA and also its negative impact on your computer system. Such ransomware are a form of malware that is elaborated by on-line scams to require paying the ransom money by a victim.

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In the majority of the cases, Ransom:Win32/Ryuk.AA infection will certainly instruct its sufferers to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has actually introduced to the target’s tool.

Ransom:Win32/Ryuk.AA Summary

These adjustments can be as follows:

  • Ciphering the files found on the target’s hard disk drive — so the target can no longer utilize the information;
  • Preventing normal access 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.


One of the most typical networks where Ransom:Win32/Ryuk.AA Ransomware are injected are:

  • By methods of phishing emails;
  • As a repercussion of user winding up on a resource that holds a malicious software application;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the sufferer’s computer or avoid the device from functioning in a correct manner – while also putting a ransom money note that states the demand for the targets to effect the repayment for the purpose of decrypting the papers or restoring the documents system back to the first condition. In a lot of circumstances, the ransom money note will show up when the client reboots the COMPUTER after the system has actually already been harmed.

Ransom:Win32/Ryuk.AA distribution networks.

In numerous edges of the world, Ransom:Win32/Ryuk.AA expands by leaps as well as bounds. However, the ransom notes and methods of obtaining the ransom money amount may differ depending upon certain regional (regional) settings. The ransom money notes and also methods of obtaining the ransom money quantity might differ depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s device. The alert after that requires the customer to pay the ransom money.

    Faulty declarations about unlawful material.

    In countries where software application piracy is less popular, this technique is not as efficient for the cyber fraudulences. Alternatively, the Ransom:Win32/Ryuk.AA popup alert might incorrectly assert to be originating from a law enforcement organization as well as will report having situated child porn or other prohibited information on the gadget.

    Ransom:Win32/Ryuk.AA popup alert might falsely declare to be obtaining from a legislation enforcement establishment and will report having situated kid porn or various other prohibited information on the device. The alert will in a similar way have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: AB7BAB82
md5: c75b0beff52189aed827839bea3e5da4
name: C75B0BEFF52189AED827839BEA3E5DA4.mlw
sha1: e9b20948b82eee88081cebe2d62408871dbe601a
sha256: 826ab21b35cb73a12a56002c87c492d0192e85f912627e440f49e2d2777942ec
sha512: 4fe591ab12f1245f7f16efea215679321ff415b879cacfa373824e6f170d08ffcf650783f835fd219abe240b7fe0fd48d4f1dad0e4b730e7e72fb6433b6b8a9c
ssdeep: 1536:zUECZ4koARJ+ESEBM3jwkUAlqVpe8uzK26cEgIbsW9d7B9dl1fPQlPsUZ+lc1hi:7koU+xEB8wpVpWzK26/19Vbfomwhi
type: PE32+ executable (GUI) x86-64, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Ryuk.AA also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00553fc91 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10700
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Ryuk
Cylance Unsafe
Zillya Trojan.Generic.Win32.678520
Sangfor Win.Ransomware.Ryuk-6688842-0
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Ransomware.f7cd30c8
K7GW Trojan ( 00553fc91 )
Cybereason malicious.ff5218
Cyren W64/Ransom.Ryuk.A.gen!Eldorado
ESET-NOD32 a variant of Win64/Filecoder.Ryuk.A
APEX Malicious
Avast Win64:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Ryuk-6688842-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Generic.Ransom.Ryuk3.160468E5
NANO-Antivirus Trojan.Win64.Encoder.fpxuyi
MicroWorld-eScan Generic.Ransom.Ryuk3.160468E5
Tencent Win32.Trojan.Generic.Sxxz
Ad-Aware Generic.Ransom.Ryuk3.160468E5
Sophos Mal/Generic-R + Troj/Ransom-FAF
Comodo Malware@#1igcc6yuch3i
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win64.RYUK.SM
McAfee-GW-Edition Ransom-Ryuk!C75B0BEFF521
FireEye Generic.mg.c75b0beff52189ae
Emsisoft Generic.Ransom.Ryuk3.160468E5 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Generic.fbhxs
Webroot W32.Rogue.Gen
Avira HEUR/AGEN.1110011
Microsoft Ransom:Win32/Ryuk.AA
Arcabit Generic.Ransom.Ryuk3.160468E5
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Generic.Ransom.Ryuk3.160468E5
AhnLab-V3 Trojan/Win64.Ryukran.C3008789
Acronis suspicious
McAfee Ransom-Ryuk!C75B0BEFF521
MAX malware (ai score=100)
VBA32 Trojan.Occamy
Malwarebytes Ransom.Ryuk
Panda Trj/CI.A
TrendMicro-HouseCall Ransom.Win64.RYUK.SM
Rising Ransom.Vigorf!8.F60E (CLOUD)
Yandex Trojan.GenAsa!t/50sQ5PDGk
Ikarus Trojan-Ransom.Ryuk
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W64/Ryuk.E!tr.ransom
AVG Win64:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win64/Ransom.Generic.H8oAaIMA

How to remove Ransom:Win32/Ryuk.AA 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

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 Ransom:Win32/Ryuk.AA 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 Ransom:Win32/Ryuk.AA you can always ask me in the comments for getting help.

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

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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