Ransom:Win32/Gandcrab.C!rfn

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

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

In this article you will find about the definition of Ransom:Win32/Gandcrab.C!rfn as well as its unfavorable influence on your computer. Such ransomware are a form of malware that is elaborated by online fraudulences to demand paying the ransom by a victim.

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Most of the situations, Ransom:Win32/Gandcrab.C!rfn ransomware will certainly instruct its sufferers to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s tool.

Ransom:Win32/Gandcrab.C!rfn Summary

These adjustments can be as adheres to:

  • Executable code extraction;
  • Possible date expiration check, exits too soon after checking local time;
  • Creates RWX memory;
  • Reads data out of its own binary image;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • Installs itself for autorun at Windows startup;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • Anomalous binary characteristics;
  • Ciphering the files located on the victim’s hard disk drive — so the target can no more utilize the data;
  • Preventing normal access to the target’s workstation;

Related domains:

ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab
ns1.fullmanaged.ruTrojan.Ransom.GandCrab
politiaromana.bitTrojan.Ransom.GandCrab
malwarehunterteam.bitTrojan.Ransom.GandCrab
ns2.fullmanaged.ruTrojan.Ransom.GandCrab
gdcb.bitTrojan.Ransom.GandCrab

Ransom:Win32/Gandcrab.C!rfn

One of the most normal channels through which Ransom:Win32/Gandcrab.C!rfn are injected are:

  • By means of phishing e-mails;
  • As an effect of user winding up on a resource that hosts a malicious software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s PC or avoid the tool from operating in a correct way – while also placing a ransom money note that mentions the need for the victims to effect the settlement for the purpose of decrypting the documents or restoring the file system back to the first problem. In many instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been harmed.

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

In different corners of the globe, Ransom:Win32/Gandcrab.C!rfn expands by leaps and bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom money amount might vary depending upon particular regional (regional) settings. The ransom money notes and methods of obtaining the ransom amount might vary depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In certain areas, the Trojans usually wrongfully report having found some unlicensed applications enabled on the target’s device. The alert after that demands the individual to pay the ransom.

    Faulty declarations regarding illegal web content.

    In nations where software application piracy is much less preferred, this approach is not as reliable for the cyber fraudulences. Additionally, the Ransom:Win32/Gandcrab.C!rfn popup alert may wrongly declare to be deriving from a law enforcement organization as well as will report having situated kid pornography or other prohibited data on the device.

    Ransom:Win32/Gandcrab.C!rfn popup alert might incorrectly declare to be obtaining from a law enforcement establishment as well as will certainly report having situated child porn or other unlawful data on the device. The alert will similarly include a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 93558B05
md5: ca9412677ccf4f39c0d21a5133de133e
name: CA9412677CCF4F39C0D21A5133DE133E.mlw
sha1: c4bc425a3eae7ab2d5262246f35dea9085f6d825
sha256: 4347b95f2c9a79146ffe078c2fc7b49a783eb60f847d3cd5654cf06cacc0b842
sha512: f29f8885ff72aeecaeaad65182a5410f5f2141b23d936b8b77225d8f168f0fe6d65820d8097fbb47cec758f9d04c20b7c6307ac52af65329c9b379605ac34502
ssdeep: 3072:CDYViPHO+UfNZXOOj0/6PhWZ2fQEQEAdJCadVEiqQm:CDY5XfNZXVaUQSwCadeXN
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebBackDoor.IRC.Bot.5000
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacTrojan.Ransom.GandCrab
CylanceUnsafe
SangforWin.Packed.Gandcrab-6552923-4
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0053305e1 )
Cybereasonmalicious.77ccf4
CyrenW32/S-87f49bb8!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GESE
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.GandCrab.Gen.2
NANO-AntivirusTrojan.Win32.Ursnif.ezbqvl
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
TencentWin32.Trojan.Generic.Taoq
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-S + Mal/GandCrab-D
ComodoTrojWare.Win32.NeutrinoPOS.F@7kqj54
BitDefenderThetaGen:NN.ZexaF.34758.juX@aiixaai
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Trojan.cc
FireEyeGeneric.mg.ca9412677ccf4f39
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Banker.NeutrinoPOS.ct
AviraTR/Dropper.Gen
eGambitUnsafe.AI_Score_86%
Antiy-AVLTrojan/Generic.ASMalwS.2512294
KingsoftWin32.Troj.Banker.(kcloud)
MicrosoftRansom:Win32/Gandcrab.C!rfn
AegisLabTrojan.Win32.Generic.7!c
ZoneAlarmHEUR:Trojan-Banker.Win32.NeutrinoPOS.gen
GDataTrojan.Ransom.GandCrab.Gen.2
TACHYONTrojan/W32.Chapak.152584
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeePacked-FBN!CA9412677CCF
MAXmalware (ai score=97)
VBA32BScope.TrojanBanker.NeutrinoPOS
MalwarebytesMalware.AI.2197977703
PandaTrj/CI.A
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingTrojan.Generic@ML.95 (RDML:+C28w/Jyi9t5BaMcYhfmpg)
YandexTrojan.GenAsa!9gmJhpeC6Gw
IkarusTrojan.Win32.Krypt
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.GVHF!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

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

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If the guide doesn’t help you to remove Ransom:Win32/Gandcrab.C!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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