Ransom:Win32/Gandcrab.G!rfn

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

What is Ransom:Win32/Gandcrab.G!rfn infection?

In this article you will certainly locate concerning the meaning of Ransom:Win32/Gandcrab.G!rfn as well as its negative impact on your computer system. Such ransomware are a kind of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.

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In the majority of the cases, Ransom:Win32/Gandcrab.G!rfn infection will instruct its victims to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the victim’s tool.

Ransom:Win32/Gandcrab.G!rfn Summary

These alterations can be as adheres to:

  • Executable code extraction;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Attempts to delete volume shadow copies;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files situated on the victim’s disk drive — so the sufferer can no more utilize the data;
  • Preventing normal accessibility to the sufferer’s workstation;

Ransom:Win32/Gandcrab.G!rfn

One of the most typical networks whereby Ransom:Win32/Gandcrab.G!rfn Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user ending up on a resource that organizes a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the data on the target’s computer or avoid the gadget from working in a correct fashion – while also putting a ransom note that discusses the demand for the targets to effect the settlement for the objective of decrypting the papers or bring back the documents system back to the first problem. In most circumstances, the ransom note will show up when the customer reboots the COMPUTER after the system has currently been damaged.

Ransom:Win32/Gandcrab.G!rfn circulation networks.

In different corners of the globe, Ransom:Win32/Gandcrab.G!rfn grows by jumps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom quantity may differ relying on particular neighborhood (regional) settings. The ransom notes and methods of extorting the ransom money amount may differ depending on specific neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In particular locations, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the target’s tool. The alert then demands the user to pay the ransom.

    Faulty statements about unlawful web content.

    In countries where software piracy is much less preferred, this method is not as efficient for the cyber frauds. Additionally, the Ransom:Win32/Gandcrab.G!rfn popup alert may falsely claim to be originating from a police institution and will report having situated youngster pornography or various other unlawful data on the gadget.

    Ransom:Win32/Gandcrab.G!rfn popup alert might wrongly assert to be deriving from a regulation enforcement establishment as well as will report having located child pornography or various other prohibited information on the device. The alert will similarly consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: F9AF7119
md5: 6ec57cc3a371cedc25968bfcb9fb55ed
name: 6EC57CC3A371CEDC25968BFCB9FB55ED.mlw
sha1: 059f8cd2be84b8ed91f9e5638caba2e9695c2134
sha256: d64e00b082d3c834b668c6af577300cbe2a16f93a7291c1f993a65a949b63ed9
sha512: 347ed22a0ed4f03965c4462b40ac91400aecbbb2eaf54bda7c89c77d0edb6671c4bb86cf9c227ab98b6871b9a329fdeeb2da97bdc9db5314b51d3d9a58f84b23
ssdeep: 3072:9VwLp37ZXRRB0jy7CQS7uOCiijPYuOjH+Tx+/UyfywqHQT55Su8tJNB6:DwLh7BRVCMFPYuO4vyfyweNu8tJN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Gandcrab.G!rfn also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3953
ALYacTrojan.Ransom.Crysis
CylanceUnsafe
ZillyaTrojan.Encoder.Win32.592
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaTrojan:Win32/Kryptik.fa7e977f
K7GWTrojan ( 00516fdf1 )
K7AntiVirusTrojan ( 00516fdf1 )
CyrenW32/Kryptik.LZ.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GLKU
APEXMalicious
AvastWin32:Malware-gen
CynetMalicious (score: 100)
KasperskyTrojan-Ransom.Win32.Encoder.acj
BitDefenderTrojan.Brsecmon.1
NANO-AntivirusTrojan.Win32.Encoder.fkqqaw
MicroWorld-eScanTrojan.Brsecmon.1
TencentWin32.Trojan.Encoder.Wtnx
Ad-AwareTrojan.Brsecmon.1
SophosML/PE-A + Mal/GandCrab-G
ComodoMalware@#3rx7rjfyokqhu
BitDefenderThetaGen:NN.ZexaF.34170.nuW@aevfATii
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionBehavesLike.Win32.MultiPlug.dh
FireEyeGeneric.mg.6ec57cc3a371cedc
EmsisoftTrojan.Brsecmon.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojanSpy.Stealer.ei
WebrootW32.Adware.Installcore
AviraHEUR/AGEN.1102745
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Generic.ASMalwS.29B8D48
MicrosoftRansom:Win32/Gandcrab.G!rfn
ArcabitTrojan.Brsecmon.1
GDataTrojan.Brsecmon.1
AhnLab-V3Trojan/Win32.Agent.C2741886
McAfeeTrojan-FPST!6EC57CC3A371
MAXmalware (ai score=100)
VBA32BScope.Trojan.Propagate
MalwarebytesMalware.AI.1248292264
PandaTrj/Genetic.gen
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingMalware.Obscure/Heur!1.9E03 (CLASSIC)
YandexTrojan.GenAsa!KfdxX7R+qb0
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.GLKY!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Ransom:Win32/Gandcrab.G!rfn 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 Ransom:Win32/Gandcrab.G!rfn 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/Gandcrab.G!rfn 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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