Ransom.GandCrab

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

What is Ransom.GandCrab infection?

In this article you will locate regarding the meaning of Ransom.GandCrab and also its negative effect on your computer. Such ransomware are a type of malware that is clarified by on-line scams to require paying the ransom by a sufferer.

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In the majority of the situations, Ransom.GandCrab ransomware will advise its sufferers to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has presented to the target’s device.

Ransom.GandCrab Summary

These alterations can be as adheres to:

  • 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.
  • 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
  • Writes a potential ransom message to disk;
  • 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.
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the sufferer’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing routine accessibility 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.GandCrab

One of the most regular networks through which Ransom.GandCrab Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that hosts a harmful software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the data on the target’s PC or protect against the device from operating in a proper way – while likewise positioning a ransom note that states the requirement for the sufferers to effect the payment for the objective of decrypting the records or recovering the data system back to the first condition. In many circumstances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been damaged.

Ransom.GandCrab distribution channels.

In various corners of the world, Ransom.GandCrab expands by jumps as well as bounds. Nonetheless, the ransom notes and also techniques of extorting the ransom quantity may differ relying on specific local (regional) setups. The ransom notes and tricks of extorting the ransom quantity might differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty notifies concerning unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding prohibited material.

    In countries where software program piracy is much less preferred, this approach is not as reliable for the cyber frauds. Alternatively, the Ransom.GandCrab popup alert might incorrectly declare to be stemming from a law enforcement organization as well as will report having situated youngster pornography or other unlawful data on the tool.

    Ransom.GandCrab popup alert might incorrectly claim to be deriving from a regulation enforcement organization as well as will certainly report having located child pornography or other illegal data on the device. The alert will similarly include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 30F2F512
md5: cfd00ed27a81ca43e2fa762aabf07f10
name: 101_output.exe
sha1: aacd49ae67ee77c4401fda2af990864f964b994f
sha256: 1c410b97f8f0244a981bdb028ff93954a7a6495d4e64a16cb5142b9417497d30
sha512: 8b3d913044ac6d0ec2ff4cf235092fb10dc16cd2f837492b08e8bd92c5ca133d024be48db9fe853b1dcb3692e6e26f78f0150502762160703a3a472a084fa7aa
ssdeep: 6144:ZK6g8ITJp0yN90QEvgBDIWB2SXdJ+Eg27lTBkuo4HTd2Sy3WlNufwv1BWD7V4gJ:ZKUy906XB2U+DkWubHT18w6D7tJg6
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright 2018 x5nU5X9N6
Assembly Version: 4.0.0.0
InternalName: 9qYrXIow7
FileVersion: 4.0.0.0
CompanyName: bgufKEE 9EV2A8
LegalTrademarks: Kltz7yrpH QpGyFUvUt
ProductName: Memory Fixer
ProductVersion: 4.0.0.0
FileDescription: mj3Fw7qhk
AssemblyName: 19zSiko9g
AssemblyTitle: wUHPRYNlU
OriginalFilename: cbCSiXeVJ
Translation: 0x0409 0x04b0

Ransom.GandCrab also known as:

GridinSoft Trojan.Ransom.Gen
MicroWorld-eScan Application.Crypter.H
Qihoo-360 Win32/Trojan.Ransom.ffb
McAfee Artemis!CFD00ED27A81
Cylance Unsafe
AegisLab Trojan.Multi.Generic.4!e
K7AntiVirus Trojan ( 004f72f61 )
K7GW Trojan ( 004f72f61 )
Cybereason malicious.e67ee7
Invincea heuristic
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Packed.CAB.AE
APEX Malicious
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Encoder.htl
Alibaba Ransom:Win32/generic.ali2000010
Tencent Win32.Trojan.Encoder.Tdzc
Emsisoft Trojan-Ransom.GandCrab (A)
F-Secure Trojan.TR/AD.DeathRansom.uumrf
DrWeb Tool.Crypter.47
McAfee-GW-Edition RDN/Generic PWS.y
Fortinet W32/Encoder.HTL!tr.ransom
Trapmine malicious.high.ml.score
FireEye Generic.mg.cfd00ed27a81ca43
Sophos Mal/Generic-S
Ikarus Trojan.Inject
Cyren W32/Trojan.TWFY-0703
Avira TR/AD.DeathRansom.uumrf
MAX malware (ai score=99)
Endgame malicious (high confidence)
ViRobot Trojan.Win32.Z.Wacatac.509440.D
ZoneAlarm Trojan-Ransom.Win32.Encoder.htl
Microsoft Trojan:Win32/Occamy.C
Acronis suspicious
Malwarebytes Ransom.GandCrab
Panda Trj/CI.A
Zoner Trojan.Win32.80900
Rising PUA.Presenoker!8.F608 (CLOUD)
GData Win32.Trojan.Agent.SDNDUZ
AVG Win32:Trojan-gen
Avast Win32:Trojan-gen
CrowdStrike win/malicious_confidence_90% (W)

How to remove Ransom.GandCrab 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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.GandCrab 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.GandCrab 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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