Ransom.KillMBR

What is Ransom.KillMBR infection?

In this article you will certainly locate regarding the interpretation of Ransom.KillMBR and its unfavorable influence on your computer. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom money by a sufferer.

In the majority of the instances, Ransom.KillMBR virus will certainly instruct its victims to launch funds move for the function of reducing the effects of the changes that the Trojan infection has actually presented to the victim’s device.

Ransom.KillMBR Summary

These adjustments can be as follows:

  • Detected script timer window indicative of sleep style evasion;
  • Expresses interest in specific running processes;
  • 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.

  • A process created a hidden window;
  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • A scripting utility was executed;
  • Uses Windows utilities for basic functionality;
  • A process was set to shut the system down when terminated;
  • 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
  • Writes a potential ransom message to disk;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the target’s hard drive — so the target can no longer make use of the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom.KillMBR

One of the most regular channels where Ransom.KillMBR are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a source that hosts a destructive software program;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or protect against the gadget from working in a proper way – while additionally positioning a ransom money note that states the requirement for the targets to effect the payment for the purpose of decrypting the documents or bring back the file system back to the first problem. In the majority of instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has already been harmed.

Ransom.KillMBR distribution channels.

In numerous corners of the world, Ransom.KillMBR grows by leaps as well as bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom money amount may vary depending upon certain neighborhood (regional) settings. The ransom notes as well as techniques of obtaining the ransom money quantity might differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans typically wrongfully report having identified some unlicensed applications made it possible for on the victim’s tool. The sharp then demands the individual to pay the ransom.

    Faulty declarations regarding illegal material.

    In nations where software application piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Ransom.KillMBR popup alert may wrongly declare to be deriving from a police establishment as well as will certainly report having situated child porn or various other illegal information on the device.

    Ransom.KillMBR popup alert might falsely declare to be obtaining from a law enforcement institution and will certainly report having located child porn or various other prohibited data on the tool. The alert will likewise contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 87F6D33Fmd5: 67f0bcf18705ccca6a14d7bf82e0d73cname: 67F0BCF18705CCCA6A14D7BF82E0D73C.mlwsha1: f96665d2532c0f8bd2de21290f4e25f4d04c038csha256: cbd911e37568b3b05f2a8d0d0e1ec34df6793e993de1cf9e5dbd658425a639absha512: e920acbaad865422712baf23479ea9e1cdeb6dfbf28e1ae064e7ac790e8cf8bff8600f6dd19afa8c3fd587ae40a81a65191be5fb086d8690c5306cfc523e4926ssdeep: 3072:mq6+ouCpk2mpcWJ0r+QNTBf0Y1C5WIEldv6W5LoK8R/+84bhTUYJz:mldk1cWQRNTBcY1CVUvfop48gfptype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: 2021InternalName: covid-21CompanyName: Team OSFileDescription: Windows Loader ProTranslation: 0x0000 0x04e4

Ransom.KillMBR also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.CerezoAgentHAD.Trojan
K7AntiVirus Trojan ( 0055f5981 )
Elastic malicious (high confidence)
DrWeb Trojan.KillMBR.24858
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.DiskWriter
ALYac Trojan.GenericKD.36470136
Cylance Unsafe
Zillya Tool.Lazagne.Win32.102
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Trojan:Win32/DiskWriter.621c928c
K7GW Trojan ( 0055f5981 )
Cybereason malicious.2532c0
Cyren W32/Trojan.TEJU-6491
ESET-NOD32 a variant of Win32/KillMBR.NDS
Zoner Trojan.Win32.85523
APEX Malicious
Avast Other:Malware-gen [Trj]
Kaspersky Trojan.Win32.DiskWriter.ebe
BitDefender Trojan.GenericKD.36470136
MicroWorld-eScan Trojan.GenericKD.36470136
Tencent Win32.Trojan.Diskwriter.Wsai
Ad-Aware Trojan.GenericKD.36470136
Sophos Mal/Generic-R
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_GEN.R002C0DC821
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.67f0bcf18705ccca
Emsisoft Trojan.GenericKD.36470136 (B)
Antiy-AVL Trojan/Win32.Tiggre
Microsoft Trojan:Win32/Killmbr
Arcabit Trojan.Generic.D22C7D78
AegisLab Trojan.Win32.Tiny.trFe
ZoneAlarm Trojan.Win32.DiskWriter.ebe
GData Trojan.GenericKD.36470136
AhnLab-V3 Malware/Gen.Generic.C3311534
McAfee RDN/Generic.rp
MAX malware (ai score=82)
VBA32 Trojan.DiskWriter
Malwarebytes Ransom.KillMBR
TrendMicro-HouseCall TROJ_GEN.R002C0DC821
Rising Trojan.KillMBR!8.F58 (CLOUD)
Ikarus Trojan.Win32.KillMBR
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/DiskWriter.EBE!tr.ransom
AVG Other:Malware-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.KillMBR.HwUBxLsA

How to remove Ransom.KillMBR virus?

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.KillMBR 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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