Trojan:Win32/GandCrab.C

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

What is Trojan:Win32/GandCrab.C infection?

In this short article you will discover about the interpretation of Trojan:Win32/GandCrab.C as well as its negative effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet fraudulences to demand paying the ransom money by a victim.

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In the majority of the situations, Trojan:Win32/GandCrab.C virus will certainly advise its targets to start funds move for the function of neutralizing the changes that the Trojan infection has presented to the victim’s gadget.

Trojan:Win32/GandCrab.C Summary

These modifications 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.
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Danish;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the files located on the target’s disk drive — so the target can no longer utilize the information;
  • Preventing normal access 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.
Similar behavior
Related domains
z.whorecord.xyzTrojWare.Win32.Ransom.Gandcrab.GK@81g6wg
a.tomx.xyzTrojWare.Win32.Ransom.Gandcrab.GK@81g6wg
adrespotokano.infoTrojWare.Win32.Ransom.Gandcrab.GK@81g6wg

Trojan:Win32/GandCrab.C

One of the most common channels whereby Trojan:Win32/GandCrab.C Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that organizes a destructive software;

As quickly as the Trojan is efficiently infused, it will either cipher the information on the sufferer’s computer or avoid the device from working in a correct fashion – while likewise positioning a ransom note that discusses the demand for the sufferers to impact the settlement for the function of decrypting the files or restoring the documents system back to the first problem. In the majority of circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has already been damaged.

Trojan:Win32/GandCrab.C circulation channels.

In numerous edges of the world, Trojan:Win32/GandCrab.C expands by jumps and bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom money quantity might vary depending on particular local (local) settings. The ransom notes and tricks of obtaining the ransom amount might differ depending on specific local (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In certain locations, the Trojans often wrongfully report having detected some unlicensed applications enabled on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In countries where software application piracy is less preferred, this method is not as efficient for the cyber frauds. Alternatively, the Trojan:Win32/GandCrab.C popup alert may wrongly declare to be deriving from a police organization and will report having situated child porn or various other unlawful information on the device.

    Trojan:Win32/GandCrab.C popup alert might falsely declare to be deriving from a regulation enforcement organization as well as will certainly report having situated child pornography or various other unlawful information on the device. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 31337561
md5: 3e92bd40cd0b6c21d5c1e775440e25f6
name: 3E92BD40CD0B6C21D5C1E775440E25F6.mlw
sha1: 14d7f681cf9c7ad5eb9b8a9cea433c12c7703621
sha256: a186cc702afbb2fc7e29307c548544979075adfe6dabb7008507fb12b68e2cbc
sha512: 7f27dce1b2dc091eae4b775cfeda1920fa086dfa7a4062d41e62ea0b273f695a585464f98c6265e506ddf1ee61712bd45e9a9bf86544cc1823a376273c4ef0d6
ssdeep: 3072:UHayCCcRz7DQKH+8gnftLDSWxBNFR8NqMoZ2CKrpuSAh+0I8kGtK:UrcRzwY+zVHBXt8NNCeMSAh+eBK
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersion: 2.13.5.66

Trojan:Win32/GandCrab.C also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectGBM.malware.01
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.23950
MicroWorld-eScanTrojan.Mint.Jamg.C
FireEyeGeneric.mg.3e92bd40cd0b6c21
CAT-QuickHealTrojan.Chapak.ZZ5
McAfeeTrojan-FPST!3E92BD40CD0B
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.4!c
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00516fdf1 )
BitDefenderTrojan.Mint.Jamg.C
K7GWTrojan ( 00516fdf1 )
CrowdStrikewin/malicious_confidence_100% (D)
BitDefenderThetaGen:NN.ZexaF.34590.nu0@aapm0DgG
CyrenW32/GandCrab.AN.gen!Eldorado
SymantecPacked.Generic.525
TrendMicro-HouseCallTSPY_EMOTET.SMB1
AvastWin32:MalwareX-gen [Trj]
ClamAVWin.Packed.addsub-6963063-0
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/GandCrab.e240d2ca
NANO-AntivirusTrojan.Win32.Stealer.fezgkg
Ad-AwareTrojan.Mint.Jamg.C
SophosMal/Generic-S + Mal/GandCrab-B
ComodoTrojWare.Win32.Ransom.Gandcrab.GK@81g6wg
F-SecureHeuristic.HEUR/AGEN.1121566
ZillyaTrojan.GenericKD.Win32.161235
TrendMicroTSPY_EMOTET.SMB1
McAfee-GW-EditionBehavesLike.Win32.Trojan.dc
EmsisoftTrojan.Mint.Jamg.C (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.PSW.Coins.aaz
MaxSecureRansomeware.CRAB.gen
AviraHEUR/AGEN.1121566
Antiy-AVLTrojan[PSW]/Win32.Coins
MicrosoftTrojan:Win32/GandCrab.C
ArcabitTrojan.Mint.Jamg.C
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.GandCrab.N
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
VBA32BScope.TrojanPSW.Coins
ALYacTrojan.Mint.Jamg.C
MAXmalware (ai score=95)
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/Genetic.gen
APEXMalicious
ESET-NOD32a variant of Win32/Kryptik.GIOK
RisingTrojan.Kryptik!1.B3A9 (CLASSIC)
YandexTrojan.PWS.Coins!TeCsYZewvvM
IkarusTrojan-Dropper.Win32.Danabot
eGambitUnsafe.AI_Score_99%
FortinetW32/Kryptik.GIRO!tr
AVGWin32:MalwareX-gen [Trj]
Cybereasonmalicious.0cd0b6
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.PSW.7bf

How to remove Trojan:Win32/GandCrab.C virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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:Win32/GandCrab.C 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 Trojan:Win32/GandCrab.C 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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