Win32/KillMBR.NBB
Ava White
Updated on March 20, 2026
What is Win32/KillMBR.NBB infection?
In this short article you will certainly find concerning the meaning of Win32/KillMBR.NBB and its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by online frauds to require paying the ransom by a victim.
Most of the situations, Win32/KillMBR.NBB infection will instruct its targets to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has introduced to the sufferer’s device.
Win32/KillMBR.NBB Summary
These modifications can be as follows:
- Network activity detected but not expressed in API logs;
- Anomalous binary characteristics;
- Ciphering the records found on the target’s disk drive — so the target can no longer use the data;
- Preventing routine access to the target’s workstation;
Win32/KillMBR.NBB
The most normal networks whereby Win32/KillMBR.NBB Ransomware Trojans are infused are:
- By methods of phishing emails;
- As a repercussion of customer winding up on a resource that hosts a destructive software;
As soon as the Trojan is effectively infused, it will certainly either cipher the information on the sufferer’s computer or prevent the device from functioning in a correct fashion – while additionally putting a ransom note that states the need for the sufferers to impact the repayment for the function of decrypting the records or restoring the file system back to the preliminary problem. In most instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has already been harmed.
Win32/KillMBR.NBB distribution channels.
In numerous edges of the world, Win32/KillMBR.NBB grows by jumps as well as bounds. Nonetheless, the ransom notes and tricks of extorting the ransom money amount might vary relying on certain local (local) settings. The ransom notes and techniques of obtaining the ransom money quantity might differ depending on certain neighborhood (regional) setups.
For instance:
Faulty informs regarding unlicensed software.
In specific areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The sharp after that demands the user to pay the ransom money.
Faulty declarations regarding prohibited web content.
In countries where software program piracy is less preferred, this technique is not as efficient for the cyber frauds. Alternatively, the Win32/KillMBR.NBB popup alert might wrongly assert to be originating from a police institution and also will certainly report having situated kid pornography or various other prohibited information on the gadget.
Win32/KillMBR.NBB popup alert may falsely declare to be acquiring from a legislation enforcement establishment and will report having located child pornography or other illegal data on the gadget. The alert will in a similar way have a demand for the user to pay the ransom money.
Technical details
File Info:
crc32: C30C3A7Fmd5: 33235703da7b9ddea1cd956900a18761name: 33235703DA7B9DDEA1CD956900A18761.mlwsha1: b6778c79ff745747ef5116a18cabe5df4de0882esha256: bf5fa81ff70151b895a4f32ddc293a647446a61c580b92c504d58cc7fc9c3aeasha512: 94684889fcfa83f16f5387a34bed8b18a213bf1744133f32b578d73ddc9965366e1a0abb6a3cfdb88d8da4da16b19f7e50717c9b639372f439155a3fe581b4c6ssdeep: 1536:IQF0FyBLF4i/5kPUp9GBXjgJ1JR2j2JkVk6QLnprx:F8g4e5kP514RwbVzQZxtype: PE32 executable (console) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32/KillMBR.NBB also known as:
| GridinSoft | Trojan.Ransom.Gen |
| K7AntiVirus | Trojan ( 004aea231 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.KillMBR.195 |
| Cynet | Malicious (score: 99) |
| Cylance | Unsafe |
| Sangfor | Trojan.Win32.NBB.ed |
| K7GW | Trojan ( 004aea231 ) |
| Cybereason | malicious.9ff745 |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Win32/KillMBR.NBB |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Kaspersky | Trojan.Win32.DiskWriter.bot |
| NANO-Antivirus | Trojan.Win32.KillMBR.ctxoeh |
| Tencent | Win32.Trojan.Atraps.Lgtf |
| Sophos | Mal/Generic-S |
| BitDefenderTheta | Gen:NN.ZelphiF.34050.gGW@aCz86xj |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | BehavesLike.Win32.Worm.ch |
| FireEye | Generic.mg.33235703da7b9dde |
| Avira | TR/ATRAPS.Gen |
| Kingsoft | Heur.SSC.2653612.1216.(kcloud) |
| Microsoft | Trojan:Win32/Wacatac.B!ml |
| AhnLab-V3 | Malware/Win32.Generic.C2612006 |
| McAfee | Artemis!33235703DA7B |
| Panda | Trj/GdSda.A |
| Rising | Trojan.Generic@ML.83 (RDML:oRXjkwJxpYc2Yvx1aOvTCA) |
| Yandex | Trojan.GenAsa!6Xk+GrS/5ss |
| Ikarus | Trojan.SuspectCRC |
| Fortinet | W32/KillMBR.NBB!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.DiskWriter.HgIASVMA |
How to remove Win32/KillMBR.NBB ransomware?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32/KillMBR.NBB 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Win32/KillMBR.NBB you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
