Ransom:Win32/Shieldcrypt!rfn

Written by Robert Bailey

What is Ransom:Win32/Shieldcrypt!rfn infection?

In this post you will certainly discover about the definition of Ransom:Win32/Shieldcrypt!rfn and its negative effect on your computer. Such ransomware are a form of malware that is clarified by online fraudulences to require paying the ransom by a victim.

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Most of the cases, Ransom:Win32/Shieldcrypt!rfn virus will certainly instruct its targets to launch funds move for the objective of counteracting the changes that the Trojan infection has presented to the victim’s tool.

Ransom:Win32/Shieldcrypt!rfn Summary

These modifications can be as follows:

  • Possible date expiration check, exits too soon after checking local time;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the target’s hard drive — so the target can no longer utilize 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.

Ransom:Win32/Shieldcrypt!rfn

The most normal networks through which Ransom:Win32/Shieldcrypt!rfn Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a resource that organizes a harmful software application;

As soon as the Trojan is efficiently infused, it will either cipher the information on the victim’s computer or stop the device from functioning in an appropriate fashion – while additionally placing a ransom note that mentions the requirement for the victims to effect the payment for the function of decrypting the files or bring back the file system back to the initial condition. In many instances, the ransom note will certainly show up when the client reboots the PC after the system has actually already been harmed.

Ransom:Win32/Shieldcrypt!rfn circulation networks.

In various corners of the globe, Ransom:Win32/Shieldcrypt!rfn expands by leaps and bounds. However, the ransom notes and also techniques of extorting the ransom amount may differ depending upon certain regional (local) setups. The ransom money notes and also tricks of obtaining the ransom money quantity might vary depending on certain neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty signals regarding unlicensed software application.

    In specific areas, the Trojans often wrongfully report having detected some unlicensed applications enabled on the sufferer’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty declarations about prohibited web content.

    In nations where software piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Ransom:Win32/Shieldcrypt!rfn popup alert might wrongly assert to be stemming from a law enforcement organization as well as will certainly report having located kid pornography or other prohibited information on the tool.

    Ransom:Win32/Shieldcrypt!rfn popup alert might falsely assert to be acquiring from a law enforcement institution as well as will report having located child pornography or various other unlawful information on the gadget. The alert will similarly include a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 63421072
md5: aa67bd6c65156f09180537231dd2f55f
name: AA67BD6C65156F09180537231DD2F55F.mlw
sha1: bd822b33fdc5abccea3fecab4369a9dbecca12e3
sha256: 90d07a800d5356ed36af7e4f05e1bd1c6b93812e42632e59dff3d0c0596027c4
sha512: 6086042c58b144d56aa35497c66219d798b85ec4a7aa2b6318891f674620243f9edbe66016c6807b4c1393dcf5658873318916b5769ae283174094ffbdaf0a6d
ssdeep: 1536:hEWYjd5bARZscNWAsWjcd31L08NSJBfv+y91vWb7pWK6cSlIVYrN60K:h4jXkzIFIUSTWM1v+dRVYrN6L
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 1995 - 2017
InternalName: SecurityProducte Protect(C)
FileVersion: 8.3.6.9
CompanyName: SecurityProducte Protect(C)
ProductName: Security
ProductVersion: 8.3.6.9
FileDescription: SecurityProducte Protect(C)
OriginalFilename: ms conhost.exe
Translation: 0x1404 0x04b0

Ransom:Win32/Shieldcrypt!rfn also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0051cba61 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Ransom.HydraPack.1
Cylance Unsafe
CrowdStrike win/malicious_confidence_100% (D)
K7GW Trojan ( 0051cba61 )
Cybereason malicious.c65156
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.WJS
APEX Malicious
Avast FileRepMalware
Kaspersky Trojan-Dropper.Win32.Dycler.ywd
BitDefender Gen:Variant.Ransom.HydraPack.1
NANO-Antivirus Trojan.Win32.Dycler.evfltb
MicroWorld-eScan Gen:Variant.Ransom.HydraPack.1
Tencent Win32.Trojan-dropper.Dycler.Lnnz
Ad-Aware Gen:Variant.Ransom.HydraPack.1
Sophos Mal/Generic-S
Comodo Malware@#3jqs2n0fnpr9w
BitDefenderTheta Gen:NN.ZexaF.34678.hq0@a0jxmJpO
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Trojan-FLLJ!AA67BD6C6515
FireEye Generic.mg.aa67bd6c65156f09
Emsisoft Gen:Variant.Ransom.HydraPack.1 (B)
Avira HEUR/AGEN.1113083
Microsoft Ransom:Win32/Shieldcrypt!rfn
AegisLab Trojan.Win32.Generic.4!c
GData Gen:Variant.Ransom.HydraPack.1
AhnLab-V3 Trojan/Win32.CryptoShield.C1818632
McAfee Trojan-FLLJ!AA67BD6C6515
MAX malware (ai score=99)
VBA32 BScope.TrojanRansom.Agent
Panda Trj/CI.A
Rising Trojan.Cryptoshield!1.A960 (CLOUD)
Yandex Trojan.DR.Dycler!DfrKh0MzkcM
Ikarus Trojan.Win32.Krypt
Fortinet W32/Krytik.FPAF!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/TrojanDropper.Generic.HwoCEpsA

How to remove Ransom:Win32/Shieldcrypt!rfn 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!rfn 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/Shieldcrypt!rfn 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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