Ransom:Win32/GandCrab.BB!bit

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

What is Ransom:Win32/GandCrab.BB!bit infection?

In this article you will locate concerning the meaning of Ransom:Win32/GandCrab.BB!bit and also its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by online fraudulences to demand paying the ransom by a target.

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In the majority of the cases, Ransom:Win32/GandCrab.BB!bit virus will advise its targets to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the victim’s device.

Ransom:Win32/GandCrab.BB!bit Summary

These adjustments can be as complies with:

  • 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;
  • Unconventionial binary language: Tamil;
  • 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.
  • 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!
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • 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 files situated on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular 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.

Ransom:Win32/GandCrab.BB!bit

The most common channels where Ransom:Win32/GandCrab.BB!bit are injected are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the target’s PC or protect against the tool from functioning in a correct way – while also positioning a ransom note that states the need for the sufferers to effect the payment for the function of decrypting the papers or bring back the file system back to the first problem. In the majority of circumstances, the ransom money note will turn up when the client restarts the PC after the system has actually already been damaged.

Ransom:Win32/GandCrab.BB!bit distribution channels.

In various corners of the globe, Ransom:Win32/GandCrab.BB!bit expands by leaps and bounds. Nonetheless, the ransom money notes and also techniques of extorting the ransom money amount might differ depending on certain local (regional) setups. The ransom money notes and methods of extorting the ransom money quantity might vary depending on particular neighborhood (regional) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having actually detected some unlicensed applications made it possible for on the target’s gadget. The sharp then demands the user to pay the ransom.

    Faulty statements about unlawful material.

    In nations where software application piracy is less popular, this method is not as reliable for the cyber scams. Alternatively, the Ransom:Win32/GandCrab.BB!bit popup alert might incorrectly assert to be deriving from a police organization and also will report having situated kid pornography or other illegal information on the device.

    Ransom:Win32/GandCrab.BB!bit popup alert may wrongly assert to be deriving from a legislation enforcement organization and also will report having located child pornography or other prohibited information on the device. The alert will similarly include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: BA999B8D
md5: 666b7a9b2ce329c9a6d2fa95acfcecb1
name: 666B7A9B2CE329C9A6D2FA95ACFCECB1.mlw
sha1: 6ab37f7a9c4872bbc87094d9917957a8933b991c
sha256: a9ca94b8a67aaf6546aa71704b368042f4bfea1157983624243477d09eacbe60
sha512: 108b0634207106d22ebda3cd35c626de38b22743dfffb54b21a9de1e4f435aedde28948cc9cde585fb173f06e992d69ec2e293de1d4f82489e67d30569de9ac8
ssdeep: 3072:cWD4HLpI3OHRpf9wEq9WwvXynmLbL8tNMdiqbjRB0LU8+iN8A:vcHLpOOxjwEqZ/wmLb4mVnyn
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: foribux.exe
Translation: 0x0449 0x04b0

Ransom:Win32/GandCrab.BB!bit also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00545a991 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.26996
CynetMalicious (score: 100)
ALYacTrojan.Mint.Jamg.C
MalwarebytesTrojan.MalPack.GS
ZillyaTrojan.Stealer.Win32.3473
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaRansom:Win32/GandCrab.923b58d2
K7GWTrojan ( 00545a991 )
Cybereasonmalicious.b2ce32
CyrenW32/Kryptik.PY.gen!Eldorado
ESET-NOD32a variant of Win32/Kryptik.GOTA
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Mint.Jamg.C
NANO-AntivirusTrojan.Win32.Encoder.fmehdg
MicroWorld-eScanTrojan.Mint.Jamg.C
TencentWin32.Trojan.Generic.Wogh
Ad-AwareTrojan.Mint.Jamg.C
SophosML/PE-A
ComodoTrojWare.Win32.TrojanSpy.Stealer.TY@86ju48
F-SecureHeuristic.HEUR/AGEN.1107202
VIPRETrojan.Win32.Generic!BT
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.dm
FireEyeGeneric.mg.666b7a9b2ce329c9
EmsisoftTrojan.Mint.Jamg.C (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Propagate.uk
WebrootW32.Rogue.Gen
AviraHEUR/AGEN.1107202
MicrosoftRansom:Win32/GandCrab.BB!bit
ArcabitTrojan.Mint.Jamg.C
AegisLabTrojan.Win32.Stealer.4!c
GDataTrojan.Mint.Jamg.C
TACHYONTrojan-Spy/W32.InfoStealer.261120
AhnLab-V3Win-Trojan/Gandcrab10.Exp
McAfeeTrojan-FQPW!666B7A9B2CE3
MAXmalware (ai score=100)
VBA32BScope.Trojan.Chapak
PandaTrj/Genetic.gen
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingMalware.Obscure/Heur!1.A89E (CLOUD)
IkarusTrojan.Win32.Crypt
MaxSecureRansomeware.CRAB.gen
FortinetW32/Kryptik.GOTY!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.GandCrab.HwoCGvsA

How to remove Ransom:Win32/GandCrab.BB!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.BB!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:

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