Ransom:Win32/Gandcrab.C!bit

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

In this article you will discover concerning the meaning of Ransom:Win32/Gandcrab.C!bit and also its negative effect on your computer. Such ransomware are a type of malware that is elaborated by online scams to demand paying the ransom money by a target.

Most of the situations, Ransom:Win32/Gandcrab.C!bit virus will certainly instruct its sufferers to initiate funds transfer for the function of counteracting the changes that the Trojan infection has actually introduced to the victim’s gadget.

Ransom:Win32/Gandcrab.C!bit 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.
• 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.

• Performs some HTTP requests;
• The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Uses Windows utilities for basic functionality;
• 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
• Checks the CPU name from registry, possibly for anti-virtualization;
• Creates a slightly modified copy of itself;
• Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
• Ciphering the files situated on the target’s hard drive — so the sufferer can no more utilize the data;
• Preventing routine 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.

• • Trojan:Win32/Vibem.D
  • Trojan:Win32/Lunam
  • UDS:Trojan-Spy.Win32.Panda

ipv4bot.whatismyipaddress.com	Trojan.Ransom.GandCrab
ns1.corp-servers.ru	Trojan.Ransom.GandCrab
zonealarm.bit	Trojan.Ransom.GandCrab
ns2.corp-servers.ru	Trojan.Ransom.GandCrab
ransomware.bit	Trojan.Ransom.GandCrab

Ransom:Win32/Gandcrab.C!bit

The most common networks where Ransom:Win32/Gandcrab.C!bit are infused are:

• By means of phishing emails;
• As an effect of customer ending up on a source that organizes a destructive software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or avoid the gadget from operating in an appropriate fashion – while also positioning a ransom money note that states the requirement for the targets to impact the payment for the purpose of decrypting the files or recovering the documents system back to the initial condition. In a lot of circumstances, the ransom note will turn up when the client reboots the PC after the system has already been damaged.

Ransom:Win32/Gandcrab.C!bit distribution channels.

In numerous edges of the globe, Ransom:Win32/Gandcrab.C!bit expands by jumps as well as bounds. However, the ransom notes and techniques of extorting the ransom money amount might differ relying on specific regional (local) settings. The ransom money notes as well as methods of obtaining the ransom amount might differ depending on specific regional (local) settings.

For example:

Faulty notifies about unlicensed software application.

In certain areas, the Trojans typically wrongfully report having detected some unlicensed applications made it possible for on the victim’s tool. The sharp after that requires the individual to pay the ransom.

Faulty statements about prohibited web content.

In countries where software application piracy is much less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Ransom:Win32/Gandcrab.C!bit popup alert may incorrectly declare to be stemming from a law enforcement establishment as well as will certainly report having situated kid pornography or various other illegal information on the gadget.

Ransom:Win32/Gandcrab.C!bit popup alert may falsely claim to be acquiring from a regulation enforcement institution as well as will certainly report having situated youngster pornography or other unlawful information on the tool. The alert will similarly include a need for the individual to pay the ransom.

Technical details

File Info:
crc32: 87B6CE7Fmd5: dde4a9c0fbcc638a222f20ec87e68bccname: DDE4A9C0FBCC638A222F20EC87E68BCC.mlwsha1: fe7fe0c7323638bc3cdec46f66382d7aac48aa58sha256: 4e2e2b464cd2916c5e15a80caf4f658fc95e525812257b2b18c89c4d224c7148sha512: 925447553e072f49308ecc90cd2ef059ff86439ea5c05c0691a489b6c674fd48552c0e7069f686cb4fe966420682aef57578ae26891c9139caeac368f762f6ddssdeep: 3072:Z9ABQSbnqQVjfq3CXs0LFZDDF5Z/h5k4:Z9iQof3XsmFZV/hi4type: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
0: [No Data]

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

GridinSoft	Trojan.Ransom.Gen
Bkav	W32.AIDetect.malware1
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.Mint.Zamg.C
FireEye	Generic.mg.dde4a9c0fbcc638a
CAT-QuickHeal	Trojan.Mauvaise.SL1
ALYac	Trojan.Ransom.GandCrab
Cylance	Unsafe
VIPRE	Trojan.Win32.Generic!BT
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 00529a891 )
BitDefender	Trojan.Mint.Zamg.C
K7GW	Trojan ( 00529a891 )
Cybereason	malicious.0fbcc6
Cyren	W32/S-08825a0e!Eldorado
Symantec	Packed.Generic.527
APEX	Malicious
Avast	Win32:Malware-gen
ClamAV	Win.Ransomware.Gandcrab-6866237-0
Kaspersky	HEUR:Trojan.Win32.SelfDel.vho
Alibaba	Ransom:Win32/Gandcrab.bc1cf49e
NANO-Antivirus	Trojan.Win32.Chapak.fagaaj
Tencent	Malware.Win32.Gencirc.10b3bdbc
Ad-Aware	Trojan.Mint.Zamg.C
TACHYON	Trojan/W32.Agent.147456.CJJ
Emsisoft	Trojan.Mint.Zamg.C (B)
Comodo	TrojWare.Win32.GandCrab.AG@7nb7e4
F-Secure
DrWeb	Trojan.Encoder.24384
Zillya	Trojan.Chapak.Win32.2846
TrendMicro	Ransom_GANDCRAB-SMALY
McAfee-GW-Edition	GenericRXEV-AJ!DDE4A9C0FBCC
Sophos	Mal/Generic-R + Mal/Agent-AUL
Ikarus	Trojan-Ransom.GandCrab
Jiangmin	Trojan.Generic.bzxeq
Avira	TR/Dropper.Gen
eGambit	Trojan.Generic
Antiy-AVL	Trojan/Win32.Chapak
Microsoft	Ransom:Win32/Gandcrab.C!bit
Arcabit	Trojan.Mint.Zamg.C
ZoneAlarm	HEUR:Trojan.Win32.SelfDel.vho
GData	Trojan.Mint.Zamg.C
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.FileCoder.R226977
Acronis	suspicious
McAfee	GenericRXEV-AJ!DDE4A9C0FBCC
MAX	malware (ai score=100)
VBA32	Trojan.Encoder
Malwarebytes	Ransom.GandCrab
Panda	Trj/GdSda.A
ESET-NOD32	a variant of Win32/Kryptik.GFDO
TrendMicro-HouseCall	Ransom_GANDCRAB-SMALY
Rising	Ransom.GandCrab!8.F355 (CLOUD)
Yandex	Trojan.GenAsa!fatGEW9OSW8
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Zamg.C
Fortinet	W32/GenKryptik.BQOS!tr.ransom
BitDefenderTheta	AI:Packer.DE734A411E
AVG	Win32:Malware-gen
Paloalto	generic.ml
CrowdStrike	win/malicious_confidence_100% (D)
Qihoo-360	Win32/Ransom.GandCrab.HwoCuaEA

How to remove Ransom:Win32/Gandcrab.C!bit ransomware?

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">².

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Download GridinSoft Anti-Malware

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.

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.

Press “Install” button.

Once installed, Anti-Malware will automatically run.

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/Gandcrab.C!bit 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.

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.

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 Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/Gandcrab.C!bit you can always ask me in the comments for getting help.

References

1. GridinSoft Anti-Malware Review from HowToFix site:
2. More information about GridinSoft products: