Ransom:Win32/Cerber.L!bit

Written by Robert Bailey

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

In this post you will locate concerning the interpretation of Ransom:Win32/Cerber.L!bit and its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by online scams to demand paying the ransom money by a target.

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Most of the situations, Ransom:Win32/Cerber.L!bit infection will certainly advise its sufferers to start funds move for the purpose of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

Ransom:Win32/Cerber.L!bit Summary

These adjustments can be as adheres to:

  • 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.
  • A process created a hidden window;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • 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
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Attempts to access Bitcoin/ALTCoin wallets;
  • Generates some ICMP traffic;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the target’s hard disk drive — so the sufferer can no longer use the information;
  • Preventing normal access 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.
Similar behavior
Related domains
z.whorecord.xyz Ransomware-GCQ!9CE7AFA5C28D
a.tomx.xyz Ransomware-GCQ!9CE7AFA5C28D

Ransom:Win32/Cerber.L!bit

The most regular channels whereby Ransom:Win32/Cerber.L!bit Trojans are injected 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 consequence of individual winding up on a resource that hosts a destructive software;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or stop the device from operating in a proper fashion – while additionally putting a ransom money note that points out the demand for the targets to impact the settlement for the objective of decrypting the files or bring back the data system back to the initial problem. In a lot of instances, the ransom money note will certainly show up when the customer restarts the PC after the system has currently been damaged.

Ransom:Win32/Cerber.L!bit circulation networks.

In various corners of the globe, Ransom:Win32/Cerber.L!bit expands by jumps and also bounds. Nevertheless, the ransom money notes as well as techniques of obtaining the ransom amount may vary depending on certain local (local) setups. The ransom notes and also methods of obtaining the ransom quantity may differ depending on specific local (regional) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software.

    In specific locations, the Trojans commonly wrongfully report having actually found some unlicensed applications allowed on the sufferer’s tool. The alert then demands the customer to pay the ransom money.

    Faulty statements about unlawful material.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Conversely, the Ransom:Win32/Cerber.L!bit popup alert may falsely assert to be stemming from a police institution as well as will certainly report having situated kid pornography or other unlawful information on the tool.

    Ransom:Win32/Cerber.L!bit popup alert may incorrectly declare to be obtaining from a law enforcement institution and will certainly report having located youngster porn or various other illegal information on the gadget. The alert will likewise have a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 1013DEB9
md5: 9ce7afa5c28d23a68bd26a4e8a5fe096
name: upload_file
sha1: ce50f097d91e1898e941288418f43ad5a2480e96
sha256: b9170a6678f62a8484ec8c75b1a0d5d3ee620154d8d8f07a7a748f45781e3116
sha512: 5850da36cd32ef781366e99eb40224b2f72ae6ccdbdcc50ece5daf7fa34000b07844ba486eec79f7580304af9cd3825465ded532f3cc86aa2c7642abcd124408
ssdeep: 6144:iPSWCfUxuNuUelUa4Z/uIjhXOmqGWQnLOpv29gmwAPRNLIaj8XD:iKWCNbn/dZ89Ma+LIaIX
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: SmartRAM
FileDescription: Monitors and Optimizes memory usage to increase available physical memory.
CompanyName: IObit
Translation: 0x0409 0x04e4

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Mint.Zamg.O
FireEye Generic.mg.9ce7afa5c28d23a6
CAT-QuickHeal Trojan.Bunitu
McAfee Ransomware-GCQ!9CE7AFA5C28D
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 0054f2ec1 )
BitDefender Trojan.Mint.Zamg.O
K7GW Trojan ( 0054f2ec1 )
Cybereason malicious.5c28d2
Symantec Trojan.Gen.MBT
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Proxy.Win32.Bunitu.vho
Alibaba Ransom:Win32/Cerber.5b7351e4
NANO-Antivirus Trojan.Win32.Zerber.eshymk
ViRobot Trojan.Win32.Z.Zerber.487936
AegisLab Trojan.Win32.Bunitu.h!c
Rising Trojan.Kryptik!1.AD41 (CLASSIC)
Ad-Aware Trojan.Mint.Zamg.O
Comodo TrojWare.Win32.Zonidel.AY@7kn16e
DrWeb Trojan.Encoder.4691
VIPRE Trojan.Win32.Generic!BT
Invincea Mal/Generic-S
McAfee-GW-Edition BehavesLike.Win32.Generic.gh
Sophos Mal/Generic-S
Ikarus Trojan.Win32.Crypt
Jiangmin Trojan.Generic.dytgp
Avira HEUR/AGEN.1136373
eGambit Unsafe.AI_Score_99%
MAX malware (ai score=86)
Microsoft Ransom:Win32/Cerber.L!bit
Arcabit Trojan.Mint.Zamg.O
ZoneAlarm HEUR:Trojan-Proxy.Win32.Bunitu.vho
GData Trojan.Mint.Zamg.O
AhnLab-V3 Trojan/Win32.Cerber.R207554
Acronis suspicious
VBA32 Trojan-Ransom.Zerber
ALYac Trojan.Mint.Zamg.O
Panda Trj/CI.A
ESET-NOD32 a variant of Win32/Kryptik.GMRW
Tencent Malware.Win32.Gencirc.11b04048
SentinelOne DFI – Malicious PE
Fortinet W32/Zamg.O!tr
BitDefenderTheta Gen:NN.ZexaF.34570.Du0@aS4dIwgj
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Trojan.Proxy.08a

How to remove Ransom:Win32/Cerber.L!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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.L!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:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/Cerber.L!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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