Trojan-Ransom.Win32.Blocker.fmzc

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

What is Trojan-Ransom.Win32.Blocker.fmzc infection?

In this short article you will certainly discover regarding the definition of Trojan-Ransom.Win32.Blocker.fmzc and its unfavorable effect on your computer. Such ransomware are a kind of malware that is specified by on-line scams to demand paying the ransom money by a victim.

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In the majority of the instances, Trojan-Ransom.Win32.Blocker.fmzc ransomware will instruct its targets to start funds move for the objective of neutralizing the changes that the Trojan infection has presented to the sufferer’s device.

Trojan-Ransom.Win32.Blocker.fmzc Summary

These alterations 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.
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • 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 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.
  • Attempts to modify Explorer settings to prevent hidden files from being displayed;
  • Ciphering the documents found on the sufferer’s disk drive — so the target can no longer utilize the data;
  • Preventing routine accessibility to the victim’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.Blocker.fmzc

The most common networks through which Trojan-Ransom.Win32.Blocker.fmzc Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a resource that holds a destructive software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the victim’s computer or prevent the tool from functioning in an appropriate way – while likewise placing a ransom note that mentions the need for the victims to effect the payment for the function of decrypting the files or bring back the file system back to the first condition. In most circumstances, the ransom note will turn up when the customer reboots the PC after the system has actually already been harmed.

Trojan-Ransom.Win32.Blocker.fmzc distribution networks.

In numerous corners of the globe, Trojan-Ransom.Win32.Blocker.fmzc grows by leaps as well as bounds. Nevertheless, the ransom notes and methods of obtaining the ransom money quantity may differ depending on specific local (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might vary depending on specific neighborhood (regional) setups.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software program piracy is much less preferred, this method is not as effective for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Blocker.fmzc popup alert may incorrectly assert to be deriving from a law enforcement establishment and also will certainly report having situated kid porn or various other prohibited information on the gadget.

    Trojan-Ransom.Win32.Blocker.fmzc popup alert might incorrectly assert to be deriving from a regulation enforcement establishment and also will certainly report having located child porn or various other unlawful data on the tool. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: CC334C66
md5: 7d29054f8697589c7b30bbca4acfa6ac
name: 7D29054F8697589C7B30BBCA4ACFA6AC.mlw
sha1: b5a5d73755c5540609ca8c323117e1972adf5f7e
sha256: c2f62271f5d7ecfd147a1b0bbcee8500d9d3de04c5772ceffdb2a856d03f9842
sha512: 817aad41697086774609fb20de22ac467234edf256099c258bd57feb6c4e3870e3d3519035dfabad48c79f0f2838985939c9930aa84ce58efc3b6fc694ff0dae
ssdeep: 24576:9c936BzWF4GH0W4Xj3rK84mgLa7KBMilhsO:G68F4GH+z94xLa7gMzO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Trojan-Ransom.Win32.Blocker.fmzc also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 700000111 )
CynetMalicious (score: 99)
ALYacGen:Trojan.ExplorerHijack.qvW@aeLLcTai
CylanceUnsafe
SangforTrojan.Win32.AGEN.1000274
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaRansom:Win32/Blocker.ebc67348
K7GWTrojan ( 700000111 )
Cybereasonmalicious.f86975
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Injector.DMUI
APEXMalicious
AvastFileRepMetagen [Malware]
KasperskyTrojan-Ransom.Win32.Blocker.fmzc
BitDefenderGen:Trojan.ExplorerHijack.qvW@aeLLcTai
NANO-AntivirusTrojan.Win32.Blocker.demvln
MicroWorld-eScanGen:Trojan.ExplorerHijack.qvW@aeLLcTai
Ad-AwareGen:Trojan.ExplorerHijack.qvW@aeLLcTai
SophosMal/AuItInj-A
ComodoMalware@#3ms1de5jcwrf2
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.th
FireEyeGeneric.mg.7d29054f8697589c
EmsisoftGen:Trojan.ExplorerHijack.qvW@aeLLcTai (B)
AviraHEUR/AGEN.1100167
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/LockScreen.BO
ArcabitTrojan.ExplorerHijack.ED0DF9
ZoneAlarmHEUR:Trojan.Script.Generic
GDataGen:Trojan.ExplorerHijack.qvW@aeLLcTai
McAfeeArtemis!7D29054F8697
PandaTrj/Chgt.E
IkarusTrojan-Ransom.Blocker
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Blocker.FMZC!tr
AVGFileRepMetagen [Malware]

How to remove Trojan-Ransom.Win32.Blocker.fmzc 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.Blocker.fmzc 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.Blocker.fmzc 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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