Ransom.GandCrab.889

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

What is Ransom.GandCrab.889 infection?

In this post you will certainly find about the definition of Ransom.GandCrab.889 and its adverse effect on your computer. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a victim.

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Most of the instances, Ransom.GandCrab.889 infection will instruct its sufferers to launch funds move for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s tool.

Ransom.GandCrab.889 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.
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Detects the presence of Wine emulator via function name;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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!
  • 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
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Likely virus infection of existing system binary;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the papers found on the sufferer’s hard drive — so the victim can no longer make use of the data;
  • Preventing regular access 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
booomaahuuoooapl.ruGen:Variant.Ransom.GandCrab.889
eoufaoeuhoauengi.ruGen:Variant.Ransom.GandCrab.889

Ransom.GandCrab.889

The most normal networks through which Ransom.GandCrab.889 Ransomware Trojans 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 consequence of customer ending up on a source that hosts a malicious software application;

As quickly as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or prevent the gadget from operating in an appropriate fashion – while likewise placing a ransom note that mentions the demand for the sufferers to effect the payment for the purpose of decrypting the documents or restoring the data system back to the preliminary condition. In many circumstances, the ransom note will certainly show up when the customer restarts the PC after the system has actually currently been harmed.

Ransom.GandCrab.889 distribution channels.

In numerous edges of the world, Ransom.GandCrab.889 expands by jumps and bounds. However, the ransom money notes as well as techniques of obtaining the ransom amount might vary relying on particular local (local) setups. The ransom money notes as well as tricks of obtaining the ransom money quantity might differ depending on particular local (regional) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In specific locations, the Trojans frequently wrongfully report having found some unlicensed applications allowed on the victim’s tool. The alert then demands the user to pay the ransom.

    Faulty declarations concerning prohibited content.

    In nations where software program piracy is less preferred, this technique is not as effective for the cyber fraudulences. Conversely, the Ransom.GandCrab.889 popup alert may incorrectly declare to be deriving from a police institution as well as will report having situated child pornography or various other prohibited data on the tool.

    Ransom.GandCrab.889 popup alert might falsely claim to be obtaining from a legislation enforcement establishment as well as will certainly report having situated kid pornography or various other illegal data on the device. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: E376D4DB
md5: c13fe1baecf11871383a827e036a52be
name: C13FE1BAECF11871383A827E036A52BE.mlw
sha1: a71b6128163116e15acb053e17b315f2252dcfd8
sha256: e9415010627c7dbcdf14eabaa14f251686460cdbbf3dce5662d266d01e33534c
sha512: 21fb9d29b5e715f8423ad59f44beacd9119ec2c7d92bde40a73dc149c14506873e88f3c8d34d728b84cdf4aa16a7d428eccc058e47faa59463571e6819463fa9
ssdeep: 6144:ufYidIsnq/pjYm9AOF+Ny7IBV+UdvrEFp7hKZ:sYiZw8m9qU7IBjvrEH7m
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.GandCrab.889 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
ClamAVWin.Virus.Pioneer-6804573-0
CAT-QuickHealTrojan.Mauvaise.SL1
McAfeePacked-FGQ!C13FE1BAECF1
CylanceUnsafe
ZillyaTrojan.Chapak.Win32.7288
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00532c871 )
BitDefenderGen:Variant.Ransom.GandCrab.889
K7GWTrojan ( 00532c871 )
Cybereasonmalicious.aecf11
ArcabitTrojan.Ransom.GandCrab.889
CyrenW32/S-0ad45733!Eldorado
SymantecTrojan Horse
ESET-NOD32Win32/Phorpiex.J
APEXMalicious
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.Chapak.fdvhma
MicroWorld-eScanGen:Variant.Ransom.GandCrab.889
RisingRansom.GandCrypt!8.F33E (TFE:dGZlOgWMC9ik27EAOg)
Ad-AwareGen:Variant.Ransom.GandCrab.889
EmsisoftGen:Variant.Ransom.GandCrab.889 (B)
ComodoTrojWare.Win32.PSW.Coins.GH@7ohrdk
F-SecureMalware.W32/Floxif.hdc
DrWebTrojan.Encoder.24384
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.c13fe1baecf11871
SophosML/PE-A + Mal/GandCrab-D
IkarusTrojan-Ransom.GandCrab
JiangminTrojan.GandCrypt.ala
AviraW32/Floxif.hdc
MAXmalware (ai score=80)
Antiy-AVLTrojan/Win32.Chapak
MicrosoftTrojan:Win32/Gandcrab.AF
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataGen:Variant.Ransom.GandCrab.889
AhnLab-V3Trojan/Win32.Gandcrab.R339815
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34590.ryZ@aW1Q3Gf
ALYacGen:Variant.Ransom.GandCrab.889
VBA32BScope.Trojan.Encoder
MalwarebytesTrojan.MalPack
ZonerTrojan.Win32.69948
TrendMicro-HouseCallMal_HPGen-37b
TencentMalware.Win32.Gencirc.1169a3e5
YandexTrojan.GenAsa!dVeWHti6+1c
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_100%
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:FloxLib-A [Trj]
AvastWin32:FloxLib-A [Trj]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Ransom.GandCrab.889 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 Ransom.GandCrab.889 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.GandCrab.889 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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