Trojan-Ransom.Win32.Zerber.fumy

Written by Robert Bailey

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

In this article you will certainly find about the meaning of Trojan-Ransom.Win32.Zerber.fumy as well as its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet scams to require paying the ransom money by a target.

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Most of the situations, Trojan-Ransom.Win32.Zerber.fumy ransomware will certainly instruct its victims to start funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s tool.

Trojan-Ransom.Win32.Zerber.fumy Summary

These modifications 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.
  • 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • 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.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Modifies boot configuration settings;
  • Exhibits behavior characteristic of Cerber ransomware;
  • 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;
  • 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 papers located on the target’s disk drive — so the victim can no more use the data;
  • Preventing normal 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.

Trojan-Ransom.Win32.Zerber.fumy

The most typical channels where Trojan-Ransom.Win32.Zerber.fumy 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 repercussion of user winding up on a resource that hosts a destructive software application;

As soon as the Trojan is successfully injected, it will either cipher the data on the sufferer’s computer or protect against the tool from functioning in a correct manner – while also positioning a ransom note that discusses the requirement for the sufferers to impact the repayment for the purpose of decrypting the documents or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will turn up when the client restarts the PC after the system has actually already been damaged.

Trojan-Ransom.Win32.Zerber.fumy distribution networks.

In numerous edges of the globe, Trojan-Ransom.Win32.Zerber.fumy expands by leaps as well as bounds. Nevertheless, the ransom notes and techniques of extorting the ransom amount might differ relying on particular neighborhood (local) settings. The ransom notes as well as techniques of extorting the ransom amount may differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty signals concerning unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The alert then requires the user to pay the ransom.

    Faulty declarations regarding illegal content.

    In nations where software piracy is much less prominent, this method is not as effective for the cyber fraudulences. Conversely, the Trojan-Ransom.Win32.Zerber.fumy popup alert might incorrectly declare to be originating from a law enforcement establishment as well as will certainly report having situated youngster porn or various other unlawful information on the tool.

    Trojan-Ransom.Win32.Zerber.fumy popup alert may falsely assert to be deriving from a regulation enforcement organization and also will report having situated kid pornography or other unlawful information on the gadget. The alert will similarly contain a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: EC41CBB0
md5: a6a7809a571e869c970d33f8868bc003
name: A6A7809A571E869C970D33F8868BC003.mlw
sha1: 7cedd1904b2860c45e18a5df668acc1427a9b826
sha256: 8bd476ff10fdb3aa63b4ef685aed085db54517b5ac2e476795f0646458cb963d
sha512: 338e8b555237cefbeeae5c13d1a9936bd8796189166eb4b45c80faeae65bd1d72cd6f3aca6d37c8cac26c71d07d32958862c0ef34db3cc2884a541e2699d8f76
ssdeep: 6144:+5+GWfEgSZ/IgCH7kHadn4y8JTEPtMZyG:+wfqMp/G
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright Embulk
InternalName: seeger
FileVersion: 3.10
CompanyName: Embulk
ProductName: seeger dolus pep
ProductVersion: 3.10
FileDescription: seeger resewn nig
OriginalFilename: seeger.exe
Translation: 0x0409 0x04b0

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.6247406
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 004f07d41 )
K7AntiVirus Trojan ( 004f07d41 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.EYKI
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Zerber.fumy
BitDefender Trojan.GenericKD.6247406
NANO-Antivirus Trojan.Win32.Kryptik.evifjp
MicroWorld-eScan Trojan.GenericKD.6247406
Tencent Win32.Trojan.Generic.Lnnz
Ad-Aware Trojan.GenericKD.6247406
Sophos ML/PE-A + Mal/Cerber-C
Comodo Malware@#1hpnvn0du4o0h
F-Secure Trojan.TR/Crypt.XPACK.gikpt
BitDefenderTheta AI:Packer.28AC751C21
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Ransomware-Cerber.a!
FireEye Generic.mg.a6a7809a571e869c
Emsisoft Trojan.GenericKD.6247406 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.brqot
Avira TR/Crypt.XPACK.gikpt
eGambit Unsafe.AI_Score_61%
Antiy-AVL Trojan/Win32.AGeneric
Microsoft Ransom:Win32/Cerber
Arcabit Trojan.Generic.D5F53EE
ZoneAlarm Trojan-Ransom.Win32.Zerber.fumy
GData Trojan.GenericKD.6247406
McAfee Ransomware-Cerber.a!
VBA32 BScope.TrojanRansom.Cerber
Malwarebytes Generic.Malware/Suspicious
Panda Trj/GdSda.A
Rising Ransom.Cerber!8.3058 (CLOUD)
Yandex Trojan.Agent!FLfHaHZ2sIA
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.EYKI!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cerber.HgIASOsA

How to remove Trojan-Ransom.Win32.Zerber.fumy ransomware?

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.fumy 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.fumy 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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