Ransom:Win32/GandCrab.AQ

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

What is Ransom:Win32/GandCrab.AQ infection?

In this post you will discover regarding the interpretation of Ransom:Win32/GandCrab.AQ as well as its adverse impact on your computer. Such ransomware are a type of malware that is clarified by on-line frauds to demand paying the ransom by a victim.

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In the majority of the cases, Ransom:Win32/GandCrab.AQ infection will instruct its sufferers to start funds move for the purpose of counteracting the changes that the Trojan infection has actually presented to the sufferer’s device.

Ransom:Win32/GandCrab.AQ 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.
  • 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;
  • 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
  • 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 records located on the victim’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing routine 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
z.whorecord.xyzTrojan.Ransom.GandCrab.Gen.2
a.tomx.xyzTrojan.Ransom.GandCrab.Gen.2
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.virmach.ruTrojan.Ransom.GandCrab.Gen.2
politiaromana.bitTrojan.Ransom.GandCrab.Gen.2
malwarehunterteam.bitTrojan.Ransom.GandCrab.Gen.2
ns2.virmach.ruTrojan.Ransom.GandCrab.Gen.2
gdcb.bitTrojan.Ransom.GandCrab.Gen.2

Ransom:Win32/GandCrab.AQ

One of the most normal networks whereby Ransom:Win32/GandCrab.AQ are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a resource that hosts a harmful software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the sufferer’s computer or protect against the gadget from functioning in a proper fashion – while also positioning a ransom note that discusses the need for the sufferers to impact the payment for the objective of decrypting the records or restoring the file system back to the first condition. In most instances, the ransom note will come up when the customer reboots the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/GandCrab.AQ circulation networks.

In numerous corners of the globe, Ransom:Win32/GandCrab.AQ expands by jumps and bounds. However, the ransom notes as well as methods of obtaining the ransom amount may differ depending upon specific neighborhood (regional) setups. The ransom money notes and also methods of obtaining the ransom amount may differ depending on specific neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In certain locations, the Trojans usually wrongfully report having found some unlicensed applications enabled on the target’s device. The sharp after that demands the user to pay the ransom money.

    Faulty statements about unlawful web content.

    In nations where software program piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Ransom:Win32/GandCrab.AQ popup alert might falsely assert to be stemming from a law enforcement organization and also will certainly report having situated youngster pornography or other prohibited information on the tool.

    Ransom:Win32/GandCrab.AQ popup alert might falsely claim to be obtaining from a legislation enforcement establishment as well as will report having situated child porn or other illegal information on the gadget. The alert will in a similar way have a demand for the user to pay the ransom.

Technical details

File Info:

crc32: 709C6799
md5: d5abcddb4ec8636c38d2ce57f9541984
name: D5ABCDDB4EC8636C38D2CE57F9541984.mlw
sha1: 23c0bff91e3d25139fd4d2698bbe3b84e4263c86
sha256: 07d6b14b619801cb9f7b8ea2118ae2c4aaf967d16bcf1d4078534b6d375b5bec
sha512: 530cef4b504c13d91a8a44ab44699f2b040ca7198f351a1026b17515f90f164a480d934836fbb63b685b0b9481888b79c6e0c8ab9b4f8f8aa7e35902d19dfe08
ssdeep: 3072:7AmS86lBckb6CcDXaLQ5Jw2w9fWCWICcks3pfAwd5pPVoSxlszYM/Ei7nz3t30mN:7AmZtDXep5xcOZfAwdflsr/EiZHwgT
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/GandCrab.AQ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.d5abcddb4ec8636c
CAT-QuickHealTrojan.Mauvaise.SL1
Qihoo-360Win32/Trojan.740
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6552923-4
K7AntiVirusTrojan ( 0052908c1 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 0056e9401 )
Cybereasonmalicious.b4ec86
CyrenW32/S-0bdffa46!Eldorado
SymantecPacked.Generic.525
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.DownLoad4.eyuxxo
ViRobotTrojan.Win32.GandCrab.Gen.A
RisingTrojan.Kryptik!1.B095 (CLOUD)
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
ComodoTrojWare.Win32.Crypt.KP@7k7fzd
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.DownLoad4.7154
ZillyaTrojan.Chapak.Win32.540
TrendMicroRansom_GANDCRAB.SMALY-2
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
SophosMal/Generic-R + Mal/Agent-AUL
IkarusTrojan.Win32.GandCrypt
JiangminTrojan.AntiAV.akl
AviraTR/Dropper.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.TSGeneric
MicrosoftRansom:Win32/GandCrab.AQ
ArcabitTrojan.Ransom.GandCrab.Gen.2
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeGenericRXEH-FN!D5ABCDDB4EC8
VBA32BScope.Trojan.Chapak
MalwarebytesRansom.GandCrab
PandaTrj/Genetic.gen
ESET-NOD32a variant of Win32/Kryptik.GEFV
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-2
TencentMalware.Win32.Gencirc.10b52253
YandexTrojan.GenAsa!UOQX6lpHxfY
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_61%
FortinetW32/Kryptik.GEEM!tr
BitDefenderThetaGen:NN.ZexaF.34590.tyX@auQa1Tfi
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureTrojan.Malware.300983.susgen

How to remove Ransom:Win32/GandCrab.AQ virus?

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.AQ 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.AQ 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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