Ransom:Win32/Cerber.K!bit

What is Ransom:Win32/Cerber.K!bit infection?

In this article you will certainly locate concerning the definition of Ransom:Win32/Cerber.K!bit as well as its negative effect on your computer. Such ransomware are a form of malware that is clarified by on-line scams to require paying the ransom by a target.

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Most of the situations, Ransom:Win32/Cerber.K!bit infection will certainly advise its targets to initiate funds move for the objective of counteracting the changes that the Trojan infection has actually presented to the target’s gadget.

Ransom:Win32/Cerber.K!bit Summary

These adjustments can be as complies with:

  • 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.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • 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
  • Creates a copy of itself;
  • Attempts to create or modify system certificates;
  • Ciphering the records situated on the sufferer’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing routine accessibility 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.

Ransom:Win32/Cerber.K!bit

The most typical channels whereby Ransom:Win32/Cerber.K!bit Ransomware Trojans are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual ending up on a source that holds a malicious software application;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or protect against the tool from operating in a proper manner – while additionally putting a ransom note that discusses the demand for the victims to impact the payment for the function of decrypting the documents or bring back the file system back to the initial condition. In the majority of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/Cerber.K!bit distribution networks.

In numerous corners of the globe, Ransom:Win32/Cerber.K!bit expands by leaps and also bounds. However, the ransom notes and also methods of obtaining the ransom quantity might differ relying on particular local (regional) setups. The ransom notes and also methods of obtaining the ransom money amount may differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

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

    Faulty statements about illegal material.

    In nations where software application piracy is less popular, this technique is not as efficient for the cyber frauds. Alternatively, the Ransom:Win32/Cerber.K!bit popup alert may falsely assert to be originating from a law enforcement organization and also will certainly report having situated child porn or various other prohibited information on the tool.

    Ransom:Win32/Cerber.K!bit popup alert may incorrectly declare to be deriving from a legislation enforcement organization as well as will report having situated child pornography or other prohibited information on the gadget. The alert will similarly contain a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: D72FE8F7
md5: c158376f32cd116b04381439ed55f336
name: C158376F32CD116B04381439ED55F336.mlw
sha1: 5a1006d1ee2ea5073f7a30c5882d3c84a3989b9a
sha256: 8f120664f212bf044bfafb82858cf1f56b8c1004f5c214eaeed5d304a7515a42
sha512: d535e9bc6c3c7a8a6335e2200df28216de526b555f19e24ff6b383921292af4d9c63c5cc16d994563b9f9cfc199331b72fd49c853bdec6e089369dd181eb75c3
ssdeep: 3072:wFJ3FKNSxkMGhoYObU8Qjxxj82kYLdpWDzf5becHGjB2YSisM63VFJ3J15F:wRKNSxSVOo8QjxS2kYL/WtHyOJ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Cerber.K!bit also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader25.33678
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.Locky.154
Cylance Unsafe
Zillya Backdoor.Androm.Win32.46286
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cerber.0543b7cb
K7GW Trojan ( 005171e31 )
K7AntiVirus Trojan ( 005171e31 )
Symantec Packed.Generic.493
ESET-NOD32 a variant of Win32/Kryptik.FVEC
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Backdoor.Win32.Androm.nydg
BitDefender Gen:Variant.Ransom.Locky.154
NANO-Antivirus Trojan.Win32.Androm.falypk
MicroWorld-eScan Gen:Variant.Ransom.Locky.154
Tencent Win32.Backdoor.Androm.Svqu
Ad-Aware Gen:Variant.Ransom.Locky.154
Sophos ML/PE-A + Mal/Elenoocka-E
Comodo TrojWare.Win32.Dynamer.FUS@779df7
F-Secure Heuristic.HEUR/AGEN.1109523
BitDefenderTheta Gen:NN.ZexaF.34608.lyW@aWJzJqni
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CERBER.SMALY0
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.c158376f32cd116b
Emsisoft Gen:Variant.Ransom.Locky.154 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.sql
Webroot W32.Gen.BT
Avira HEUR/AGEN.1109523
Antiy-AVL Trojan[Ransom]/Win32.Zerber
Microsoft Ransom:Win32/Cerber.K!bit
Arcabit Trojan.Ransom.Locky.154
AegisLab Trojan.Win32.Androm.m!c
ZoneAlarm Backdoor.Win32.Androm.nydg
GData Gen:Variant.Ransom.Locky.154
Acronis suspicious
McAfee Ransomware-GDA!C158376F32CD
MAX malware (ai score=100)
VBA32 Backdoor.Androm
Malwarebytes Trojan.MalPack.VAK
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_CERBER.SMALY0
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.GenAsa!zPypRFVWqVk
Ikarus Trojan.Win32.Crypt
Fortinet W32/GenKryptik.APXF!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Backdoor.Androm.HxMB2nsA

How to remove Ransom:Win32/Cerber.K!bit 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:Win32/Cerber.K!bit 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:Win32/Cerber.K!bit 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/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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