Backdoor:Win32/Darkshell.A

Written by Robert Bailey

What is Backdoor:Win32/Darkshell.A infection?

In this short article you will certainly discover concerning the meaning of Backdoor:Win32/Darkshell.A and also its negative influence on your computer. Such ransomware are a type of malware that is specified by on the internet fraudulences to require paying the ransom by a victim.

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Most of the instances, Backdoor:Win32/Darkshell.A ransomware will advise its targets to initiate funds transfer for the function of counteracting the modifications that the Trojan infection has actually introduced to the sufferer’s gadget.

Backdoor:Win32/Darkshell.A Summary

These adjustments can be as adheres to:

  • 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Attempts to stop active services;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records situated on the sufferer’s disk drive — so the sufferer can no longer use the information;
  • 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.xyz Ransom:Win32/Gimemo.07a9e538
a.tomx.xyz Ransom:Win32/Gimemo.07a9e538

Backdoor:Win32/Darkshell.A

One of the most typical networks through which Backdoor:Win32/Darkshell.A Ransomware are infused are:

  • By methods of phishing emails;
  • As a consequence of individual winding up on a resource that hosts a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or prevent the tool from functioning in a proper way – while also placing a ransom note that states the need for the victims to impact the payment for the function of decrypting the records or restoring the data system back to the preliminary problem. In the majority of instances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has already been harmed.

Backdoor:Win32/Darkshell.A circulation channels.

In various corners of the world, Backdoor:Win32/Darkshell.A grows by jumps and also bounds. Nevertheless, the ransom notes as well as techniques of extorting the ransom money amount may differ depending on particular regional (regional) settings. The ransom money notes and also tricks of extorting the ransom amount might differ depending on certain regional (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software.

    In specific areas, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the sufferer’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements concerning illegal content.

    In nations where software piracy is much less popular, this approach is not as effective for the cyber scams. Additionally, the Backdoor:Win32/Darkshell.A popup alert may incorrectly assert to be deriving from a law enforcement establishment and also will certainly report having situated child pornography or various other unlawful data on the tool.

    Backdoor:Win32/Darkshell.A popup alert might falsely assert to be acquiring from a law enforcement organization and will certainly report having situated youngster porn or other illegal information on the gadget. The alert will in a similar way have a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: CC214FF9
md5: c8713f816c814b6929450c4fdf55115e
name: C8713F816C814B6929450C4FDF55115E.mlw
sha1: 174d675517886c40379dfbdd8e20d67087800de7
sha256: 98fe62e82556a3fe2ec61e160b9afc0ef84bac8963e2b91d9974c697e95a4c2b
sha512: 9bf893511345e1689475ba1003943240cba2c8646e72847e752a24e8e185746cb27d631953a8b31e4a0ed3720ea522736bea4de135b80e45700a7cd0c1eb1cd5
ssdeep: 3072:IZGYLZW/0zu8NK0XbYlw9O6Jf7m85XxgP0F9o68ej:oZLzuX0rz06JfakNie
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Backdoor:Win32/Darkshell.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner.1826
Cynet Malicious (score: 100)
ALYac Gen:Variant.Kazy.35387
Cylance Unsafe
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Gimemo.07a9e538
Cybereason malicious.16c814
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/AutoRun.IM
APEX Malicious
Avast Win32:Rootkit-gen [Rtk]
BitDefender Gen:Variant.Kazy.35387
NANO-Antivirus Trojan.Win32.Delf.djhdg
ViRobot Trojan.Win32.A.Gimemo.161280.B[UPX]
MicroWorld-eScan Gen:Variant.Kazy.35387
Tencent Win32.Trojan.Gimemo.Szbd
Ad-Aware Gen:Variant.Kazy.35387
Sophos Mal/Generic-R + Mal/EncPk-AAI
Comodo TrojWare.Win32.Trojan.XPACK.Gen@2ho5ur
BitDefenderTheta Gen:NN.ZexaF.34688.jmGfaOMt6Yfi
Zillya Trojan.Delf.Win32.36348
Emsisoft Gen:Variant.Kazy.35387 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor/Delf.vqf
Webroot Trojan.Dropper.Gen
Avira TR/Crypt.ULPM.Gen
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Malware.Heur_Generic.B.(kcloud)
Microsoft Backdoor:Win32/Darkshell.A
AegisLab Trojan.Win32.Delf.l!c
GData Gen:Variant.Kazy.35387
AhnLab-V3 Trojan/Win32.Menti.R14485
Acronis suspicious
McAfee Generic.emx
MAX malware (ai score=100)
VBA32 BScope.Trojan.Winlock.2981
Panda Generic Malware
TrendMicro-HouseCall WORM_GAMANIA.DK
Rising Ransom.Gimemo!8.306 (CLOUD)
Yandex Trojan.Kryptik!BSZdrq9jIYI
Ikarus Trojan-Ransom.Gimemo
Fortinet W32/Gimemo.CEH!tr
AVG Win32:Rootkit-gen [Rtk]
Paloalto generic.ml

How to remove Backdoor:Win32/Darkshell.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 Backdoor:Win32/Darkshell.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 Backdoor:Win32/Darkshell.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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