Ransom.KillMBR

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

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.

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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: 87F6D33F
md5: 67f0bcf18705ccca6a14d7bf82e0d73c
name: 67F0BCF18705CCCA6A14D7BF82E0D73C.mlw
sha1: f96665d2532c0f8bd2de21290f4e25f4d04c038c
sha256: cbd911e37568b3b05f2a8d0d0e1ec34df6793e993de1cf9e5dbd658425a639ab
sha512: e920acbaad865422712baf23479ea9e1cdeb6dfbf28e1ae064e7ac790e8cf8bff8600f6dd19afa8c3fd587ae40a81a65191be5fb086d8690c5306cfc523e4926
ssdeep: 3072:mq6+ouCpk2mpcWJ0r+QNTBf0Y1C5WIEldv6W5LoK8R/+84bhTUYJz:mldk1cWQRNTBcY1CVUvfop48gfp
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: 2021
InternalName: covid-21
CompanyName: Team OS
FileDescription: Windows Loader Pro
Translation: 0x0000 0x04e4

Ransom.KillMBR also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.CerezoAgentHAD.Trojan
K7AntiVirusTrojan ( 0055f5981 )
Elasticmalicious (high confidence)
DrWebTrojan.KillMBR.24858
CynetMalicious (score: 100)
CAT-QuickHealTrojan.DiskWriter
ALYacTrojan.GenericKD.36470136
CylanceUnsafe
ZillyaTool.Lazagne.Win32.102
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (W)
AlibabaTrojan:Win32/DiskWriter.621c928c
K7GWTrojan ( 0055f5981 )
Cybereasonmalicious.2532c0
CyrenW32/Trojan.TEJU-6491
ESET-NOD32a variant of Win32/KillMBR.NDS
ZonerTrojan.Win32.85523
APEXMalicious
AvastOther:Malware-gen [Trj]
KasperskyTrojan.Win32.DiskWriter.ebe
BitDefenderTrojan.GenericKD.36470136
MicroWorld-eScanTrojan.GenericKD.36470136
TencentWin32.Trojan.Diskwriter.Wsai
Ad-AwareTrojan.GenericKD.36470136
SophosMal/Generic-R
VIPRETrojan.Win32.Generic!BT
TrendMicroTROJ_GEN.R002C0DC821
McAfee-GW-EditionBehavesLike.Win32.Generic.cc
FireEyeGeneric.mg.67f0bcf18705ccca
EmsisoftTrojan.GenericKD.36470136 (B)
Antiy-AVLTrojan/Win32.Tiggre
MicrosoftTrojan:Win32/Killmbr
ArcabitTrojan.Generic.D22C7D78
AegisLabTrojan.Win32.Tiny.trFe
ZoneAlarmTrojan.Win32.DiskWriter.ebe
GDataTrojan.GenericKD.36470136
AhnLab-V3Malware/Gen.Generic.C3311534
McAfeeRDN/Generic.rp
MAXmalware (ai score=82)
VBA32Trojan.DiskWriter
MalwarebytesRansom.KillMBR
TrendMicro-HouseCallTROJ_GEN.R002C0DC821
RisingTrojan.KillMBR!8.F58 (CLOUD)
IkarusTrojan.Win32.KillMBR
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/DiskWriter.EBE!tr.ransom
AVGOther:Malware-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/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

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.KillMBR 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:

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If the guide doesn’t help you to remove Ransom.KillMBR 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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