Ransom.521

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

What is Ransom.521 infection?

In this post you will discover about the meaning of Ransom.521 and also its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by online fraudulences to demand paying the ransom money by a target.

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In the majority of the cases, Ransom.521 infection will certainly advise its sufferers to launch funds transfer for the purpose of counteracting the changes that the Trojan infection has introduced to the sufferer’s device.

Ransom.521 Summary

These alterations can be as adheres to:

  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records found on the sufferer’s hard disk drive — so the victim can no more use the data;
  • Preventing normal accessibility to the sufferer’s workstation;

Ransom.521

One of the most common channels through which Ransom.521 Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of customer winding up on a source that organizes a malicious software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the data on the sufferer’s PC or protect against the device from working in a correct fashion – while additionally placing a ransom note that states the demand for the victims to effect the payment for the function of decrypting the records or restoring the data system back to the initial condition. In the majority of instances, the ransom money note will come up when the customer reboots the COMPUTER after the system has already been harmed.

Ransom.521 distribution networks.

In numerous corners of the globe, Ransom.521 grows by leaps and bounds. Nonetheless, the ransom notes and also methods of obtaining the ransom money amount might differ depending on certain neighborhood (regional) setups. The ransom notes as well as techniques of extorting the ransom quantity might differ depending on certain neighborhood (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans usually wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The alert then requires the individual to pay the ransom money.

    Faulty statements concerning prohibited content.

    In nations where software piracy is less preferred, this technique is not as efficient for the cyber scams. Conversely, the Ransom.521 popup alert may incorrectly assert to be originating from a police establishment and will report having situated child porn or various other illegal information on the gadget.

    Ransom.521 popup alert may wrongly claim to be deriving from a legislation enforcement establishment and will report having located child pornography or other illegal information on the tool. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 97B93707
md5: c2b1758994b0f8717d693ca2c9422ab1
name: C2B1758994B0F8717D693CA2C9422AB1.mlw
sha1: 7121d73ecc789ce46000a69e581bc05427e9e654
sha256: 346fcadea6359dc977c42f4dbe06cb7febcd71d620555dc2c1aa9eafd778ff7c
sha512: 59d3c35a26443b74757419608093c0f0849a865ac1546946e2126958af315a0ae804be039bca8d871ad164027b7e9a25e2f7e8c07a67cd984aa692f10f8a3363
ssdeep: 3072:CcC5cJWiow2yf71bbakIzOQBD6of2gKq4gnI7bWxP8z3:Qiow2Y71bbakdrl0R8
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2018
Assembly Version: 1.0.0.0
InternalName: kreem.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
LegalTrademarks:
Comments:
ProductName: kreem
ProductVersion: 1.0.0.0
FileDescription: kreem
OriginalFilename: kreem.exe

Ransom.521 also known as:

GridinSoft Trojan.Ransom.Gen
ALYac Gen:Variant.Ransom.521
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
BitDefender Gen:Variant.Ransom.521
Cybereason malicious.994b0f
Symantec ML.Attribute.HighConfidence
APEX Malicious
MicroWorld-eScan Gen:Variant.Ransom.521
Ad-Aware Gen:Variant.Ransom.521
BitDefenderTheta Gen:NN.ZemsilF.34110.lm0@aS3MjTo
McAfee-GW-Edition GenericRXFO-VJ!C2B1758994B0
FireEye Gen:Variant.Ransom.521
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Suspicious PE
Microsoft Trojan:Win32/Zpevdo.A
GData Gen:Variant.Ransom.521
AhnLab-V3 Trojan/Win32.Occamy.R231162
McAfee GenericRXFO-VJ!C2B1758994B0
MAX malware (ai score=89)
MaxSecure Trojan.Malware.300983.susgen
Fortinet PossibleThreat

How to remove Ransom.521 virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.521 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.521 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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