Ransom.CryLocker

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

What is Ransom.CryLocker infection?

In this post you will certainly discover about the definition of Ransom.CryLocker and its unfavorable effect on your computer. Such ransomware are a kind of malware that is elaborated by online fraudulences to demand paying the ransom money by a victim.

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Most of the instances, Ransom.CryLocker infection will instruct its victims to start funds move for the purpose of reducing the effects of the modifications that the Trojan infection has introduced to the sufferer’s tool.

Ransom.CryLocker Summary

These adjustments can be as follows:

  • A named pipe was used for inter-process communication;
  • A process created a hidden window;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • 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;
  • Likely virus infection of existing system binary;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers found on the target’s hard disk drive — so the victim can no longer utilize the information;
  • Preventing regular access to the target’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.CryLocker

The most regular networks where Ransom.CryLocker Ransomware are infused are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of user ending up on a source that holds a malicious software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s computer or avoid the device from working in an appropriate way – while also placing a ransom money note that points out the demand for the sufferers to effect the payment for the purpose of decrypting the files or bring back the documents system back to the initial condition. In many instances, the ransom money note will certainly turn up when the client reboots the PC after the system has actually currently been damaged.

Ransom.CryLocker circulation networks.

In different corners of the world, Ransom.CryLocker expands by leaps and bounds. However, the ransom notes and also techniques of extorting the ransom money quantity might vary relying on specific regional (local) settings. The ransom notes as well as methods of extorting the ransom money quantity may vary depending on specific local (local) settings.

Ransomware injection

For instance:

    Faulty alerts about unlicensed software application.

    In specific locations, the Trojans often wrongfully report having actually spotted some unlicensed applications allowed on the sufferer’s device. The alert then demands the customer to pay the ransom.

    Faulty declarations concerning unlawful material.

    In countries where software application piracy is less prominent, this approach is not as efficient for the cyber fraudulences. Alternatively, the Ransom.CryLocker popup alert may incorrectly assert to be deriving from a police establishment and will certainly report having located child pornography or other unlawful data on the tool.

    Ransom.CryLocker popup alert may wrongly declare to be deriving from a regulation enforcement establishment as well as will report having situated youngster porn or other unlawful data on the tool. The alert will likewise have a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: AC96D52D
md5: f649f7ac4119877f850e10538d7b24a6
name: zia.exe
sha1: ee5c5990c27209a7964d6b6324b6705282ea9a40
sha256: f7b83e711e3f939e57890c2608e5188575366e53fd54d575367604d3d5481348
sha512: ef868f14a4958b60be95720b78b45a36230a9165fd088c1bfddc5857ed338c13631e33ca30ee7902b176517218fc80f6e89e69add8fbff3862c28487f86c121a
ssdeep: 3072:XZm/5ISZbkihcLW41zDD2P+OjLWFvXTh8bgAiF5E/6vXW93Htfot2tCauYRMqqD:pA5b2LW4tM+DzVKgXW93Htfot2AFFqq
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.CryLocker also known as:

GridinSoft Trojan.Ransom.Gen
DrWeb Trojan.Encoder.30511
MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
FireEye Generic.mg.f649f7ac4119877f
CAT-QuickHeal Trojan.Generic
Qihoo-360 Generic/Trojan.Ransom.ec8
ALYac Trojan.Ransom.Cryakl
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Trojan ( 004c1e461 )
BitDefender Gen:Heur.Ransom.REntS.Gen.1
K7GW Trojan ( 004c1e461 )
Cybereason malicious.c41198
Invincea heuristic
BitDefenderTheta AI:Packer.08E999FF1E
F-Prot W32/Filecoder.U.gen!Eldorado
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
GData Gen:Heur.Ransom.REntS.Gen.1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Ransom:Win32/generic.ali2000010
NANO-Antivirus Trojan.Win32.Encoder.gugfdx
AegisLab Trojan.Win32.Generic.4!c
Rising Ransom.Cryakl!8.560 (CLOUD)
Ad-Aware Gen:Heur.Ransom.REntS.Gen.1
Sophos Mal/Generic-S
Comodo Malware@#vp1punp9qt0s
F-Secure Trojan.TR/AD.RansomHeur.umxnk
Zillya Trojan.Filecoder.Win32.11883
TrendMicro TROJ_GEN.R002C0PAH20
McAfee-GW-Edition BehavesLike.Win32.Sytro.ch
Trapmine malicious.moderate.ml.score
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
SentinelOne DFI – Malicious PE
Cyren W32/Ransom.OJMT-2355
Jiangmin Trojan.Agent.cobs
Webroot W32.Ransom.Gen
Avira TR/AD.RansomHeur.umxnk
Antiy-AVL Trojan/Win32.Wacatac
Endgame malicious (high confidence)
Arcabit Trojan.Ransom.REntS.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Occamy.C
AhnLab-V3 Malware/Win32.Generic.C3977630
Acronis suspicious
McAfee RDN/Ransom
MAX malware (ai score=100)
VBA32 TScope.Trojan.Delf
Malwarebytes Ransom.CryLocker
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Filecoder.EQ
TrendMicro-HouseCall TROJ_GEN.R002C0PAH20
Tencent Win32.Trojan.Filecoder.Ecab
Yandex Trojan.Agent!3Vy61jlDlPo
Ikarus Trojan-Ransom.FileCrypter
eGambit Unsafe.AI_Score_99%
Fortinet W32/Filecoder.EQ!tr
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_60% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Ransom.CryLocker ransomware?

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

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

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.CryLocker 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.CryLocker 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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