Generic.Ransom.GandCrab.90C4A71E

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

What is Generic.Ransom.GandCrab.90C4A71E infection?

In this short article you will certainly find regarding the definition of Generic.Ransom.GandCrab.90C4A71E and its unfavorable effect on your computer system. Such ransomware are a form of malware that is specified by on the internet frauds to require paying the ransom money by a sufferer.

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In the majority of the situations, Generic.Ransom.GandCrab.90C4A71E infection will instruct its sufferers to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s gadget.

Generic.Ransom.GandCrab.90C4A71E Summary

These alterations can be as follows:

  • 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;
  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard drive — so the sufferer can no more use the information;
  • Preventing routine accessibility to the victim’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
ipv4bot.whatismyipaddress.comGeneric.Ransom.GandCrab.90C4A71E

Generic.Ransom.GandCrab.90C4A71E

One of the most typical channels whereby Generic.Ransom.GandCrab.90C4A71E Ransomware Trojans are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that organizes a malicious software;

As soon as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or avoid the device from working in a proper way – while additionally putting a ransom note that states the demand for the targets to effect the payment for the function of decrypting the records or recovering the documents system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has currently been harmed.

Generic.Ransom.GandCrab.90C4A71E distribution networks.

In different edges of the globe, Generic.Ransom.GandCrab.90C4A71E grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom amount might vary depending upon certain neighborhood (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might vary depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In certain areas, the Trojans often wrongfully report having discovered some unlicensed applications enabled on the sufferer’s tool. The sharp after that demands the individual to pay the ransom money.

    Faulty declarations regarding unlawful content.

    In nations where software application piracy is much less preferred, this approach is not as reliable for the cyber fraudulences. Additionally, the Generic.Ransom.GandCrab.90C4A71E popup alert may wrongly assert to be deriving from a law enforcement institution and will report having located youngster pornography or other unlawful data on the tool.

    Generic.Ransom.GandCrab.90C4A71E popup alert may incorrectly declare to be obtaining from a regulation enforcement institution as well as will report having located kid porn or other prohibited data on the device. The alert will likewise consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 57288027
md5: ba5728673a0a0d5c721dbe1d0de79f13
name: BA5728673A0A0D5C721DBE1D0DE79F13.mlw
sha1: 6131a35063390fdb4d6b807665ab388fef691f2d
sha256: d7d6a26adf0aaaa7a3aaa3916391a94c3d5f628eaf18d6c3a635818263419d9c
sha512: 75ccd58d423fd393a60ad9632c7d3bcfe26a4a90b850c0990b2cacf957cdc47de2a25bc2c55536527e1610c82720d74576654770807a2a5b2a5b13066e08704b
ssdeep: 1536:3ZZZZZZZZZZZZpXzzzzzzzzzzzzADypczUk+lkZJngWMqqU+2bbbAV2/S2OvvdZ:ed5BJHMqqDL2/Ovvdr
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Generic.Ransom.GandCrab.90C4A71E also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanGeneric.Ransom.GandCrab.90C4A71E
FireEyeGeneric.mg.ba5728673a0a0d5c
CAT-QuickHealTrojan.Mauvaise.SL1
Qihoo-360Win32/Ransom.GandCrab.HxQBuV0A
ALYacGeneric.Ransom.GandCrab.90C4A71E
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.7196
AegisLabTrojan.Win32.Generic.4!c
SangforWin.Ransomware.Gandcrab-6667060-0
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderGeneric.Ransom.GandCrab.90C4A71E
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.73a0a0
BitDefenderThetaGen:NN.ZexaF.34590.eyW@auTsjxoi
CyrenW32/S-7cea76e9!Eldorado
SymantecRansom.GandCrab
ESET-NOD32a variant of Win32/Filecoder.GandCrab.H
APEXMalicious
AvastWin32:RansomX-gen [Ransom]
ClamAVWin.Ransomware.Gandcrab-6667060-0
KasperskyHEUR:Trojan.Win32.Generic
AlibabaRansom:Win32/Gandcrab.ff32eb16
NANO-AntivirusTrojan.Win32.Encoder.eytbdj
ViRobotTrojan.Win32.GandCrab.71680
RisingRansom.GandCrab!1.B8D6 (CLASSIC)
Ad-AwareGeneric.Ransom.GandCrab.90C4A71E
EmsisoftGeneric.Ransom.GandCrab.90C4A71E (B)
ComodoTrojWare.Win32.Ransom.GandCrab.B@7kn2ff
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.Encoder.30802
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SM1
McAfee-GW-EditionBehavesLike.Win32.RansomGandcrab.lh
SophosMal/Generic-R + Mal/GandCrab-L
IkarusTrojan-Ransom.GandCrab
JiangminTrojan.Generic.cabqs
WebrootW32.Malware.Gen
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLHackTool/Win32.Inject
MicrosoftRansom:Win32/Gandcrab
GridinsoftRansom.Win32.Gen.cc!s1
ArcabitGeneric.Ransom.GandCrab.90C4A71E
SUPERAntiSpywareRansom.GandCrab/Variant
AhnLab-V3Trojan/Win32.Ransom.R222567
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.GandCrab.C
CynetMalicious (score: 100)
Acronissuspicious
McAfeeTrojan-FPDG!BA5728673A0A
VBA32BScope.Trojan.Chapak
MalwarebytesRansom.GandCrab
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SM1
TencentMalware.Win32.Gencirc.10b0bc40
YandexTrojan.GenAsa!qHIhniD54fs
SentinelOneStatic AI – Malicious PE
eGambitTrojan.Generic
FortinetW32/GandCrab.B!tr.ransom
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
MaxSecureTrojan.Malware.121218.susgen

How to remove Generic.Ransom.GandCrab.90C4A71E 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 Generic.Ransom.GandCrab.90C4A71E 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 Generic.Ransom.GandCrab.90C4A71E 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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