Ransom:Win32/Gandcrab.BL!bit

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

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

In this post you will certainly find concerning the definition of Ransom:Win32/Gandcrab.BL!bit and its unfavorable impact on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom by a target.

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Most of the cases, Ransom:Win32/Gandcrab.BL!bit ransomware will certainly instruct its sufferers to initiate funds move for the function of counteracting the amendments that the Trojan infection has actually presented to the target’s tool.

Ransom:Win32/Gandcrab.BL!bit 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.
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Ukrainian;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers located on the sufferer’s hard drive — so the sufferer can no more use the data;
  • Preventing regular accessibility to the sufferer’s workstation;
Similar behavior
Related domains
hosportos.com Ransom:Win32/Gandcrab.ab7216fd
ip-api.com Ransom:Win32/Gandcrab.ab7216fd

Ransom:Win32/Gandcrab.BL!bit

One of the most normal channels where Ransom:Win32/Gandcrab.BL!bit are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual winding up on a source that hosts a harmful software program;

As quickly as the Trojan is effectively injected, it will either cipher the data on the sufferer’s computer or avoid the tool from working in a correct fashion – while also placing a ransom note that states the requirement for the victims to impact the payment for the purpose of decrypting the records or bring back the documents system back to the preliminary condition. In most circumstances, the ransom money note will certainly turn up when the client restarts the PC after the system has already been damaged.

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

In numerous corners of the world, Ransom:Win32/Gandcrab.BL!bit grows by jumps and bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom amount might vary depending upon specific regional (local) setups. The ransom money notes as well as techniques of extorting the ransom quantity may differ depending on certain local (regional) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software.

    In particular areas, the Trojans typically wrongfully report having discovered some unlicensed applications allowed on the victim’s device. The sharp after that demands the customer to pay the ransom.

    Faulty declarations concerning illegal web content.

    In nations where software piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Ransom:Win32/Gandcrab.BL!bit popup alert may falsely claim to be originating from a police institution as well as will report having located kid pornography or various other illegal information on the device.

    Ransom:Win32/Gandcrab.BL!bit popup alert may incorrectly claim to be obtaining from a legislation enforcement institution and will certainly report having situated child porn or various other prohibited information on the device. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: F0EC525C
md5: 4bf3cdb7ecb443578ad506c47bdd833c
name: 4BF3CDB7ECB443578AD506C47BDD833C.mlw
sha1: b2d9aef955cbc1c9e8db32fb63df32b0697e9fa3
sha256: 8d5a06d90c86205fcf51ba338e8dee3563742cfcafd4daa1925fa9381ccaf2f8
sha512: c62beff7d275e134de7b5b15ddc541cee879838b0b8ab3d6b185764155ec9838f785ad20f269f33c3aef88af588d01746628d7c11a1f8bb3f38f5f2529ead1d3
ssdeep: 12288:9xRH6EkOwbW+9rEaJZJUg3KZjM/FYbzevawpjiEk/9CmIJP:nRhwb/EavJUqKZjEdawoV/3I
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0054c5731 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen8.28597
Cynet Malicious (score: 100)
ALYac Trojan.BrsecmonE.1
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Gandcrab.ab7216fd
K7GW Trojan ( 0054c5731 )
Cybereason malicious.7ecb44
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GSFK
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BrsecmonE.1
NANO-Antivirus Trojan.Win32.Chapak.fqrjif
ViRobot Trojan.Win32.Z.Kryptik.596992.T
MicroWorld-eScan Trojan.BrsecmonE.1
Ad-Aware Trojan.BrsecmonE.1
Sophos ML/PE-A + Mal/GandCrab-G
BitDefenderTheta AI:Packer.EAEF3A7821
VIPRE Trojan.Win32.Generic!BT
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Dropper.hh
FireEye Generic.mg.4bf3cdb7ecb44357
Emsisoft Trojan.BrsecmonE.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Backdoor.Mokes.adl
Avira HEUR/AGEN.1102761
Antiy-AVL Trojan/Generic.ASMalwS.2BC57DF
Microsoft Ransom:Win32/Gandcrab.BL!bit
Arcabit Trojan.BrsecmonE.1
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.BrsecmonE.1
AhnLab-V3 Win-Trojan/MalPe2.Suspicious.X1937
McAfee Artemis!4BF3CDB7ECB4
MAX malware (ai score=87)
VBA32 BScope.Trojan.Azden
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Malware.Obscure/Heur!1.9E03 (CLOUD)
Ikarus Trojan.Win32.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.GEI!tr
AVG Win32:CrypterX-gen [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/Gandcrab.BL!bit 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.BL!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.

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.BL!bit 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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