Ransom.Cerber.311

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

What is Ransom.Cerber.311 infection?

In this short article you will certainly locate regarding the meaning of Ransom.Cerber.311 as well as its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by online scams to require paying the ransom money by a sufferer.

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In the majority of the cases, Ransom.Cerber.311 ransomware will certainly instruct its targets to initiate funds transfer for the function of reducing the effects of the amendments that the Trojan infection has actually introduced to the sufferer’s tool.

Ransom.Cerber.311 Summary

These adjustments can be as adheres to:

  • 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.
  • 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;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Writes a potential ransom message to disk;
  • 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.
  • Ciphering the records located on the sufferer’s hard drive — so the victim can no longer use the data;
  • Preventing routine access to the target’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.Cerber.311

The most common networks where Ransom.Cerber.311 Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of individual ending up on a resource that organizes a harmful software application;

As quickly as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or protect against the gadget from functioning in a proper way – while also placing a ransom note that discusses the requirement for the sufferers to impact the payment for the purpose of decrypting the documents or restoring the file system back to the first condition. In most circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has already been harmed.

Ransom.Cerber.311 distribution channels.

In various edges of the globe, Ransom.Cerber.311 expands by leaps and also bounds. Nevertheless, the ransom notes and methods of extorting the ransom amount may differ depending on certain local (regional) settings. The ransom notes and methods of obtaining the ransom money quantity might differ depending on certain neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s tool. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding prohibited web content.

    In nations where software piracy is less popular, this technique is not as reliable for the cyber frauds. Conversely, the Ransom.Cerber.311 popup alert may incorrectly declare to be stemming from a police institution as well as will report having located child pornography or other prohibited information on the device.

    Ransom.Cerber.311 popup alert may falsely claim to be obtaining from a regulation enforcement institution as well as will report having located kid porn or various other unlawful data on the device. The alert will likewise include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 6FBDD5A4
md5: de613c5fa30e8983fec492f2d63b7022
name: DE613C5FA30E8983FEC492F2D63B7022.mlw
sha1: ec2a456bcfeca2ab4af19b3bc43e628db126d9ea
sha256: f258bada5a08c91ffe9175ba72e75777a46a7eac9b640e9730314e5d282c441e
sha512: 4622d70663c64ceaa6caebe0231d528489b5825af9032ac3d1ce7c77f1dbd07a0cbaee1e0ef1f303c482d5dd31d22d3310110205bf017404a05587211f13cc9e
ssdeep: 6144:FBFsyMJ57tNGldcww4N9rpWmOa0XtyldUHb+wVl191viW5rwAdVVoyiZz:JMJYlPNW7FdEU33sW5rihl
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (C) 2017
InternalName: zzefzjoizoef.exe
FileVersion: 1.0.0.1
CompanyName: TODO:
ProductName: TODO:
ProductVersion: 1.0.0.1
FileDescription: TODO:
OriginalFilename: zzefzjoizoef.exe
Translation: 0x040c 0x04b0

Ransom.Cerber.311 also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectGBM.malware.01
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10697
MicroWorld-eScan Gen:Variant.Ransom.Cerber.311
FireEye Generic.mg.de613c5fa30e8983
CAT-QuickHeal Ransom.Crysis.A5
Qihoo-360 HEUR/QVM11.1.88FD.Malware.Gen
ALYac Gen:Variant.Ransom.Cerber.311
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.GenericKD.4783464
K7AntiVirus Trojan ( 0050ae2f1 )
BitDefender Gen:Variant.Ransom.Cerber.311
K7GW Trojan ( 0050ae2f1 )
Cybereason malicious.fa30e8
BitDefenderTheta Gen:NN.ZexaF.34590.xmNfaG8Lxgfm
Cyren W32/Cerber.JYYV-9300
Symantec Ransom.Cerber!g34
Avast Win32:Malware-gen
ClamAV Win.Ransomware.Cerber-7343764-0
Kaspersky HEUR:Trojan.Win32.Generic
NANO-Antivirus Trojan.Win32.Agent.ennujc
Rising Ransom.Cerber!8.3058 (RDMK:cmRtazp7/4j7Qi7TXB+akiBB6BGF)
Ad-Aware Gen:Variant.Ransom.Cerber.311
Sophos ML/PE-A + Mal/Cerber-AB
F-Secure Heuristic.HEUR/AGEN.1120931
Zillya Trojan.Injector.Win32.494113
McAfee-GW-Edition BehavesLike.Win32.PWSZbot.fc
Emsisoft Gen:Variant.Ransom.Cerber.311 (B)
Ikarus Trojan.Win32.Injector
Jiangmin Trojan.Zerber.bjx
Avira HEUR/AGEN.1120931
MAX malware (ai score=82)
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Ransom:Win32/Cerber.J
Arcabit Trojan.Ransom.Cerber.311
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Variant.Ransom.Cerber.311
Cynet Malicious (score: 100)
Acronis suspicious
McAfee Ransomware-FMEE!DE613C5FA30E
VBA32 BScope.Trojan.Inject
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
APEX Malicious
ESET-NOD32 a variant of Win32/Injector.DNPD
Tencent Malware.Win32.Gencirc.10bb7700
Yandex Trojan.GenAsa!uONQGDeDk8A
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Generic.AP.B6F58!tr
AVG Win32:Malware-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_70% (D)

How to remove Ransom.Cerber.311 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.Cerber.311 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.Cerber.311 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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