Ransom:Win32/Shieldcrypt

What is Ransom:Win32/Shieldcrypt infection?

In this post you will certainly discover concerning the interpretation of Ransom:Win32/Shieldcrypt as well as its unfavorable impact on your computer system. Such ransomware are a type of malware that is specified by on the internet fraudulences to demand paying the ransom by a victim.

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Most of the situations, Ransom:Win32/Shieldcrypt virus will certainly instruct its sufferers to start funds move for the objective of counteracting the amendments that the Trojan infection has presented to the victim’s tool.

Ransom:Win32/Shieldcrypt 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.
  • Unconventionial language used in binary resources: Arabic (Syria);
  • 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
  • Exhibits possible ransomware file modification behavior;
  • Writes a potential ransom message to disk;
  • Creates a copy of itself;
  • Appends a known CryptoShield ransomware file extension to files that have been encrypted;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the victim’s hard drive — so the victim can no more utilize 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.

Ransom:Win32/Shieldcrypt

The most common networks where Ransom:Win32/Shieldcrypt Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a source that organizes a destructive software;

As soon as the Trojan is successfully injected, it will either cipher the information on the target’s PC or prevent the tool from working in an appropriate manner – while also putting a ransom note that discusses the demand for the sufferers to effect the repayment for the purpose of decrypting the files or restoring the file system back to the first problem. In a lot of circumstances, the ransom note will turn up when the client restarts the COMPUTER after the system has actually already been damaged.

Ransom:Win32/Shieldcrypt circulation channels.

In different edges of the globe, Ransom:Win32/Shieldcrypt grows by leaps and bounds. Nonetheless, the ransom money notes and also methods of obtaining the ransom quantity might vary depending on specific local (local) settings. The ransom notes and also techniques of obtaining the ransom money quantity might vary depending on particular local (local) settings.

Ransomware injection

For instance:

    Faulty alerts regarding unlicensed software program.

    In particular locations, the Trojans often wrongfully report having actually identified some unlicensed applications allowed on the target’s tool. The alert then requires the user to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software program piracy is much less preferred, this approach is not as efficient for the cyber frauds. Additionally, the Ransom:Win32/Shieldcrypt popup alert might wrongly declare to be originating from a law enforcement establishment as well as will certainly report having situated child pornography or various other unlawful information on the device.

    Ransom:Win32/Shieldcrypt popup alert might wrongly declare to be deriving from a legislation enforcement establishment as well as will certainly report having situated kid porn or other prohibited data on the tool. The alert will similarly consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: 08549DB0
md5: 9ee17d43e18b2325200c989ba0fa489a
name: 9EE17D43E18B2325200C989BA0FA489A.mlw
sha1: eeac1caccd8fb8534ac92b86707ed514e7d6a837
sha256: 959ca130ecaee0c2467fec3a446960704f6fef71130d4623aee780731e69c2dc
sha512: 7f50464cc366c9006435d6886548ac21f14b708519e088301d20a049996ecad1d10419995908d0bfb77d0465bc64ac355daeb0d217d91ddd327d4b5bb4187632
ssdeep: 1536:3z0HdZb4EyRUicNe5sWjcdjxqtO4uNlldW/EFrHrgV4ydlI/rNYrK:3oHXKkL6O4AvOgLgV4yerNY+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2000 - 2017
InternalName: Microsoft Oracle Present(C)
FileVersion: 7.1.8.3
CompanyName: Microsoft Oracle Present(C)
ProductName: Oracle
ProductVersion: 7.1.8.3
FileDescription: Microsoft Oracle Present(C)
OriginalFilename: conhost.exe
Translation: 0x1404 0x04b0

Ransom:Win32/Shieldcrypt also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10362
Cynet Malicious (score: 100)
ALYac DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
Cylance Unsafe
Zillya Dropper.Dycler.Win32.1961
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/generic.ali2000010
Cybereason malicious.3e18b2
Cyren W32/Ransom.OE.gen!Eldorado
Symantec Ransom.Troldesh
ESET-NOD32 a variant of Win32/Kryptik.FPAF
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Dropper.Win32.Dycler.ypo
BitDefender DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
NANO-Antivirus Trojan.Win32.Dycler.elzpai
MicroWorld-eScan DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
Tencent Win32.Trojan-dropper.Dycler.Hzdh
Ad-Aware DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
Sophos Mal/Generic-S
Comodo Malware@#2wi8tktp83d7p
BitDefenderTheta Gen:NN.ZexaF.34628.hq0@ayQaJIgO
VIPRE BehavesLike.Win32.Malware.rwx (mx-v)
TrendMicro Ransom_CRYPAURA.SMSHLD1
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.9ee17d43e18b2325
Emsisoft Trojan-Ransom.CryptoShield (A)
Jiangmin TrojanDropper.Dycler.sx
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1113083
Kingsoft Win32.Troj.Gener.(kcloud)
Microsoft Ransom:Win32/Shieldcrypt
Arcabit DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
ZoneAlarm HEUR:Trojan.Win32.Generic
GData DeepScan:Generic.Ransom.HydraCrypt.6E2F454C
AhnLab-V3 Trojan/Win32.CryptoShield.C1818632
McAfee Trojan-FLLJ!9EE17D43E18B
MAX malware (ai score=87)
VBA32 TrojanDropper.Dycler
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_CRYPAURA.SMSHLD1
Rising Ransom.Shieldcrypt!8.E458 (C64:YzY0OrO60JFwH5OV)
Ikarus Trojan.Win32.Heur
Fortinet W32/Krytik.FPAF!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/TrojanDropper.Generic.HwoCB48A

How to remove Ransom:Win32/Shieldcrypt 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/Shieldcrypt 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:

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If the guide doesn’t help you to remove Ransom:Win32/Shieldcrypt 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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