Trojan-Ransom.Win32.Zerber.feff

What is Trojan-Ransom.Win32.Zerber.feff infection?

In this post you will certainly locate regarding the meaning of Trojan-Ransom.Win32.Zerber.feff and its negative effect on your computer system. Such ransomware are a form of malware that is clarified by on-line scams to demand paying the ransom money by a victim.

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Most of the cases, Trojan-Ransom.Win32.Zerber.feff ransomware will instruct its victims to launch funds move for the objective of counteracting the changes that the Trojan infection has introduced to the victim’s tool.

Trojan-Ransom.Win32.Zerber.feff Summary

These adjustments can be as follows:

  • 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.
  • Enumerates user accounts on the system;
  • 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.
  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Mimics the file times of a Windows system file;
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the target’s hard drive — so the sufferer can no more utilize the information;
  • Preventing regular 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.

Trojan-Ransom.Win32.Zerber.feff

One of the most common channels where Trojan-Ransom.Win32.Zerber.feff Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user winding up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the target’s computer or protect against the tool from operating in an appropriate way – while additionally placing a ransom money note that mentions the demand for the targets to impact the payment for the function of decrypting the documents or recovering the data system back to the preliminary problem. In the majority of instances, the ransom note will certainly show up when the customer reboots the PC after the system has actually currently been harmed.

Trojan-Ransom.Win32.Zerber.feff circulation networks.

In numerous edges of the globe, Trojan-Ransom.Win32.Zerber.feff expands by jumps and bounds. However, the ransom money notes and also tricks of extorting the ransom money quantity might vary depending upon particular regional (local) setups. The ransom notes and also tricks of obtaining the ransom amount may differ depending on particular local (regional) settings.

Ransomware injection

For instance:

    Faulty alerts concerning unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having actually found some unlicensed applications made it possible for on the target’s device. The sharp then demands the customer to pay the ransom money.

    Faulty statements about illegal content.

    In countries where software application piracy is much less popular, this approach is not as efficient for the cyber scams. Additionally, the Trojan-Ransom.Win32.Zerber.feff popup alert might falsely assert to be originating from a law enforcement institution and also will report having located youngster pornography or other prohibited data on the device.

    Trojan-Ransom.Win32.Zerber.feff popup alert might incorrectly declare to be obtaining from a legislation enforcement institution as well as will certainly report having located youngster porn or various other prohibited information on the device. The alert will in a similar way contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: A90E1918
md5: b5cf32a81bd614fcbd22cb020c90966b
name: B5CF32A81BD614FCBD22CB020C90966B.mlw
sha1: 33c7988261577bc8b026fc1b0ba0f48caee1d876
sha256: 9326fc473e21b50956c5775cfd080af1787a85428e9c5718067e5cf1ac4f727b
sha512: f0625ad531364ee8e9cbea02dd37e4d5cfc5ff197b0a4ee5424714cbfbe2a79b88ae7b428407c11cf531aa25df615135f4a65896efd870c558865cc455f079ce
ssdeep: 3072:8qSptMVoqpsgLEv53hbhc68MKkfezH36tJcvWhnJrXHueJ3QD9WjsgiUSWx:tQyVoqpsHdSkfeLQqWhnJ7ueJo9pU
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Blench
InternalName: resene
FileVersion: 7.8.0.54173
CompanyName: Blench
ProductName: resene uttered sicket
ProductVersion: 7.8.0.54173
FileDescription: resene moonshiner
OriginalFilename: resene.exe
Translation: 0x0409 0x04b0

Trojan-Ransom.Win32.Zerber.feff also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004f07d41 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.4691
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.12600934
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.2670117
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Zerber.afc03a53
K7GW Trojan ( 004f07d41 )
Cybereason malicious.81bd61
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.EYKI
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Zerber.feff
BitDefender Trojan.GenericKD.12600934
NANO-Antivirus Trojan.Win32.Zerber.eveueh
MicroWorld-eScan Trojan.GenericKD.12600934
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.12600934
Sophos ML/PE-A + Mal/Cerber-C
Comodo MalCrypt.Indus!@1qrzi1
BitDefenderTheta AI:Packer.AA392ED721
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Generic.cux
FireEye Generic.mg.b5cf32a81bd614fc
Emsisoft Trojan.GenericKD.12600934 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zerber.ele
Avira TR/Crypt.XPACK.Gen7
Microsoft Ransom:Win32/Cerber.A
Arcabit Trojan.Generic.DC04666
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.GenericKD.12600934
AhnLab-V3 Malware/Gen.Generic.C1468394
McAfee Generic.cux
MAX malware (ai score=61)
VBA32 Trojan-Ransom.Zerber
Panda Trj/GdSda.A
Rising Ransom.Zerber!8.518C (CLOUD)
Yandex Trojan.Zerber!qzjGDluddr0
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.EYKI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HxQBfk8A

How to remove Trojan-Ransom.Win32.Zerber.feff 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 Trojan-Ransom.Win32.Zerber.feff 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 Trojan-Ransom.Win32.Zerber.feff 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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