Ransom:Win32/Genasom.EC

Written by Robert Bailey

What is Ransom:Win32/Genasom.EC infection?

In this post you will certainly locate about the definition of Ransom:Win32/Genasom.EC as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a victim.

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In the majority of the instances, Ransom:Win32/Genasom.EC ransomware will certainly advise its victims to start funds move for the objective of counteracting the changes that the Trojan infection has presented to the sufferer’s device.

Ransom:Win32/Genasom.EC Summary

These alterations 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.
  • 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;
  • Performs some HTTP requests;
  • Uses Windows utilities for basic functionality;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to restart the guest VM;
  • Deletes its original binary from disk;
  • 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
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the target’s disk drive — so the target can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Win.Ransomware.Barys-6978940-0
a.tomx.xyz Win.Ransomware.Barys-6978940-0

Ransom:Win32/Genasom.EC

The most common channels through which Ransom:Win32/Genasom.EC Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a resource that hosts a destructive software;

As soon as the Trojan is efficiently infused, it will either cipher the data on the victim’s PC or stop the device from operating in a proper fashion – while also placing a ransom note that mentions the requirement for the victims to impact the payment for the purpose of decrypting the records or recovering the documents system back to the initial problem. In most instances, the ransom money note will turn up when the customer reboots the PC after the system has already been harmed.

Ransom:Win32/Genasom.EC distribution channels.

In different corners of the world, Ransom:Win32/Genasom.EC grows by leaps and bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom money amount may vary relying on specific neighborhood (local) settings. The ransom notes as well as methods of extorting the ransom quantity might vary depending on particular regional (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In specific areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the target’s gadget. The alert then demands the user to pay the ransom money.

    Faulty statements regarding illegal material.

    In countries where software application piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Additionally, the Ransom:Win32/Genasom.EC popup alert might falsely assert to be originating from a law enforcement organization and will certainly report having situated child pornography or various other prohibited information on the device.

    Ransom:Win32/Genasom.EC popup alert may wrongly declare to be deriving from a legislation enforcement institution and also will certainly report having situated kid porn or other illegal data on the tool. The alert will in a similar way consist of a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: 131CC320
md5: 40f0a3190723da30f2fff5f92bb85a2b
name: 40F0A3190723DA30F2FFF5F92BB85A2B.mlw
sha1: 2e295ca25bee3482c7e38827748796ed48af069e
sha256: 963d499558332cdfee88cdb2746379af1c7b8f5517650a7feaf7132402e9a938
sha512: acb2049dcf7d7d69717ccb8a3d903343ecdceeaf6c1d830843a4eb68da3d7819bd57d56692d319fd7b471c6be48298c396e4aebe2191a22eb6fa04e99b40086e
ssdeep: 3072:kGljcMrhPUtwHPTpYAZO4+n2tPco9WREWYeVISEh3LufpE7DnA5PNFrOeKWZZx:kG1cQhPUtwvCAZO/zEWcpsfpsABjHK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0
LegalCopyright: Novak Clarendon Kingston Evans Bernardo
InternalName: pefbm
FileVersion: 5.06.0006
CompanyName: Johannes Signora Belgium Arturo Cicero
Comments: Liechtenstein Uniroyal Celt Darius Triangulum
ProductName: Mirfak Richter
ProductVersion: 5.06.0006
FileDescription: Schroeder Bolshevist Geigy Fairfax
OriginalFilename: pefbm.exe

Ransom:Win32/Genasom.EC also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.3481
ClamAV Win.Ransomware.Barys-6978940-0
ALYac Gen:Variant.Barys.348
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Backdoor:Win32/PcClient.ea46c2a0
K7GW Trojan ( 0055e4091 )
K7AntiVirus Trojan ( 0055e4091 )
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.AGM
APEX Malicious
Avast Win32:Ransom-CZ [Trj]
Cynet Malicious (score: 100)
Kaspersky Backdoor.Win32.PcClient.eps
BitDefender Gen:Variant.Barys.348
NANO-Antivirus Trojan.Win32.ScreenLock.sipqy
SUPERAntiSpyware Trojan.Agent/Gen-Falleg[Cont]
MicroWorld-eScan Gen:Variant.Barys.348
Tencent Win32.Backdoor.Pcclient.Pdme
Ad-Aware Gen:Variant.Barys.348
Sophos ML/PE-A + Mal/Behav-221
BitDefenderTheta AI:Packer.BD4965BE20
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.Fareit.gt
FireEye Generic.mg.40f0a3190723da30
Emsisoft Gen:Variant.Barys.348 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.PcClient.ck
Avira TR/Dropper.Gen
eGambit Generic.Malware
Microsoft Ransom:Win32/Genasom.EC
GData Gen:Variant.Barys.348
Acronis suspicious
McAfee GenericR-HMS!40F0A3190723
MAX malware (ai score=100)
Malwarebytes Malware.AI.2524030008
Panda Generic Malware
Rising Ransom.Genasom!8.293 (CLOUD)
Yandex Backdoor.PcClient!ko1/KuBb/kU
Ikarus Trojan.Win32.Ransom
Fortinet W32/PcClient.AGM!tr.bdr
AVG Win32:Ransom-CZ [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/Genasom.EC 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 Ransom:Win32/Genasom.EC 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/Genasom.EC 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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