Ransom:Win32/Wyhymyz.B

What is Ransom:Win32/Wyhymyz.B infection?

In this article you will certainly find concerning the meaning of Ransom:Win32/Wyhymyz.B and its unfavorable impact on your computer system. Such ransomware are a kind of malware that is specified by on the internet scams to require paying the ransom by a sufferer.

Most of the situations, Ransom:Win32/Wyhymyz.B infection will certainly instruct its targets to start funds transfer for the function of counteracting the modifications that the Trojan infection has actually presented to the victim’s tool.

Ransom:Win32/Wyhymyz.B 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Ciphering the papers found on the sufferer’s disk drive — so the sufferer can no more make use of the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Ransom:Win32/Wyhymyz.B

One of the most regular channels whereby Ransom:Win32/Wyhymyz.B Ransomware are infused are:

  • By ways of phishing emails;
  • As an effect of individual winding up on a resource that hosts a destructive software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or prevent the gadget from working in a correct way – while also placing a ransom note that discusses the need for the targets to impact the payment for the purpose of decrypting the records or bring back the file system back to the first problem. In most instances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has currently been damaged.

Ransom:Win32/Wyhymyz.B distribution networks.

In various edges of the world, Ransom:Win32/Wyhymyz.B grows by jumps and bounds. Nonetheless, the ransom money notes as well as tricks of obtaining the ransom quantity may differ relying on particular neighborhood (regional) setups. The ransom notes and also techniques of obtaining the ransom money amount might differ depending on certain neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software program.

    In certain locations, the Trojans usually wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s tool. The alert then requires the user to pay the ransom.

    Faulty statements concerning prohibited content.

    In nations where software program piracy is much less prominent, this approach is not as effective for the cyber fraudulences. Additionally, the Ransom:Win32/Wyhymyz.B popup alert may falsely declare to be stemming from a law enforcement establishment as well as will report having situated kid pornography or other unlawful data on the tool.

    Ransom:Win32/Wyhymyz.B popup alert may incorrectly assert to be obtaining from a legislation enforcement organization and will certainly report having located kid porn or other unlawful data on the gadget. The alert will in a similar way consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 045E902Bmd5: b5e12ca90f575dd6bed82f2ed2421cd4name: B5E12CA90F575DD6BED82F2ED2421CD4.mlwsha1: d6de858814275973ac43631139cdb1ccbc983aeasha256: 7b02ec4a176ba3e2176893940a2a6be98238381b4fb5dceaab64ca5b2ab92f73sha512: 9998b931fdb578161f84c1b1f1d09335049c9df8200fe4fb81a9ab65fd2518a910f56af33330a16b75c6abb03b5cde6a5426dfd198efff6689fe89dc77ba3361ssdeep: 3072:lrxCWWBOiKhgxKSUFwNgQNb7Yrrrip9PEM5hjrGcOLOntlV82sQl3Ya3pwfk8pW3:lr0b6hWKSlrirrKhEMjpntds+doW3type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Wyhymyz.B also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10700
Cynet Malicious (score: 85)
McAfee Generic.cok
Cylance Unsafe
Zillya Trojan.GenericKD.Win32.181773
CrowdStrike win/malicious_confidence_100% (D)
Cybereason malicious.90f575
Symantec Ransom.Locky.B
ESET-NOD32 Win32/Filecoder.Hermes.D
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Hermez.bv
BitDefender Trojan.GenericKD.12521827
NANO-Antivirus Trojan.Win32.Filecoder.euoiuj
ViRobot Trojan.Win32.Z.Hermes.299008
MicroWorld-eScan Trojan.GenericKD.12521827
Tencent Win32.Trojan.Filecoder.Phpx
Ad-Aware Trojan.GenericKD.12521827
Sophos ML/PE-A + Troj/Ransom-ERR
BitDefenderTheta Gen:NN.ZexaF.34608.sqW@a0KFUJhi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_HPGen-37b
McAfee-GW-Edition BehavesLike.Win32.Dropper.dc
FireEye Generic.mg.b5e12ca90f575dd6
Emsisoft Trojan.GenericKD.12521827 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1128643
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Wyhymyz.B
Arcabit Trojan.Generic.DBF1163
GData Trojan.GenericKD.12521827
TACHYON Ransom/W32.Hermes.299008
AhnLab-V3 Trojan/Win32.Gen
Acronis suspicious
VBA32 Trojan-Ransom.Gen
MAX malware (ai score=99)
Malwarebytes Malware.AI.2506194514
Panda Trj/RnkBend.A
TrendMicro-HouseCall Mal_HPGen-37b
Rising Ransom.Wyhymyz!8.E822 (CLOUD)
Yandex Trojan.Gen!p9eGBPxHS0k
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Filecoder_Hermes.D!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 HEUR/QVM10.1.C9E1.Malware.Gen

How to remove Ransom:Win32/Wyhymyz.B 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 Ransom:Win32/Wyhymyz.B 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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