Mal/GandCrypt-A

Written by Robert Bailey

What is Mal/GandCrypt-A infection?

In this post you will certainly locate about the meaning of Mal/GandCrypt-A as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to require paying the ransom by a target.

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Most of the cases, Mal/GandCrypt-A virus will instruct its sufferers to initiate funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has introduced to the victim’s device.

Mal/GandCrypt-A Summary

These modifications 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.
  • Compression (or decompression);
  • Attempts to connect to a dead IP:Port (4 unique times);
  • 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;
  • At least one IP Address, Domain, or File Name was found in a crypto call;
  • Starts servers listening on 127.0.0.1:14656;
  • Unconventionial language used in binary resources: Serbian (Latin);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Deletes its original binary from disk;
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • 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 found on the sufferer’s hard drive — so the target can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;
Similar behavior
Related domains
z.whorecord.xyz Ransom:Win32/LockBit!ml
a.tomx.xyz Ransom:Win32/LockBit!ml

Mal/GandCrypt-A

The most common channels where Mal/GandCrypt-A Trojans are infused are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a resource that organizes a destructive software application;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the target’s PC or protect against the tool from working in a proper fashion – while additionally positioning a ransom note that discusses the demand for the sufferers to impact the payment for the function of decrypting the documents or restoring the data system back to the initial problem. In most instances, the ransom money note will certainly come up when the client reboots the COMPUTER after the system has currently been damaged.

Mal/GandCrypt-A distribution channels.

In numerous corners of the globe, Mal/GandCrypt-A expands by jumps and bounds. Nevertheless, the ransom money notes and also methods of extorting the ransom amount might differ depending on certain local (regional) settings. The ransom notes as well as techniques of obtaining the ransom money amount might differ depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty signals concerning unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then requires the customer to pay the ransom.

    Faulty declarations about prohibited material.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber frauds. Alternatively, the Mal/GandCrypt-A popup alert may wrongly declare to be originating from a police institution and also will certainly report having situated kid pornography or various other illegal information on the tool.

    Mal/GandCrypt-A popup alert may incorrectly declare to be deriving from a legislation enforcement organization and will certainly report having situated kid porn or other unlawful information on the gadget. The alert will likewise include a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: CAD531C2
md5: 8817764873f6426a4fac968f15955779
name: 8817764873F6426A4FAC968F15955779.mlw
sha1: 0c2a98649fb67fa1f925f51ca41a39241349340b
sha256: dc74349e8f0f16a61bd5a02747d5163605116187ab6cd282f641a56c88f3cac8
sha512: 601778bba2e7209903c2b52149b030506ac915a27cd58f6bce0e2ddee9470f2a3f3af46c7723b07b53d425e5be046a0591ed9282b1797daf5078c591cba3a499
ssdeep: 98304:34OTaG9lO7qvfgVcvPx0iZrWItYVFNgScJs00scWYNI2WOIYk+rq4481O0jmVly:wayqQVM0cr3YVFNfcJ3cVN7WOIt+r/4
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

ProductVersus: 1.9.37.29
FileVerus: 1.0.52.18
Translations: 0x0586 0x01ea

Mal/GandCrypt-A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0057464c1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7GW Trojan ( 0057464c1 )
Cybereason malicious.49fb67
Cyren W32/Kryptik.DZC.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Kaspersky UDS:Trojan.Multi.GenericML.xnet
Sophos Mal/GandCrypt-A
BitDefenderTheta Gen:NN.ZexaF.34686.@BW@aucu@npO
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.8817764873f6426a
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XPACK.Gen3
Microsoft Ransom:Win32/LockBit!ml
AhnLab-V3 Trojan/Win.Glupteba.C4445949
McAfee Artemis!8817764873F6
Malwarebytes Trojan.MalPack.GS
Rising Malware.Heuristic!ET#93% (RDMK:cmRtazpehVttlyIq6Rv1IQuppNOr)
Ikarus Trojan-Spy.Agent

How to remove Mal/GandCrypt-A 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 Mal/GandCrypt-A 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 Mal/GandCrypt-A 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/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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