Ransom.Cryak.55

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

What is Ransom.Cryak.55 infection?

In this post you will locate concerning the interpretation of Ransom.Cryak.55 as well as its negative impact on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the cases, Ransom.Cryak.55 ransomware will certainly advise its targets to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually introduced to the target’s device.

Ransom.Cryak.55 Summary

These adjustments can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • 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
  • Writes a potential ransom message to disk;
  • Clears Windows events or logs;
  • 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 files found on the sufferer’s hard disk — so the victim can no more make use of the information;
  • Preventing normal accessibility to the victim’s workstation;

Ransom.Cryak.55

The most typical networks through which Ransom.Cryak.55 Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a consequence of individual ending up on a resource that holds a malicious software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the sufferer’s computer or avoid the tool from working in a correct way – while also placing a ransom money note that mentions the need for the victims to effect the payment for the purpose of decrypting the documents or restoring the data system back to the first condition. In the majority of circumstances, the ransom note will turn up when the customer restarts the PC after the system has actually currently been damaged.

Ransom.Cryak.55 circulation networks.

In various edges of the globe, Ransom.Cryak.55 expands by jumps and also bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money amount might differ relying on certain neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom money quantity may vary depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the sufferer’s device. The sharp then requires the customer to pay the ransom.

    Faulty declarations concerning illegal content.

    In countries where software program piracy is less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Ransom.Cryak.55 popup alert may incorrectly claim to be deriving from a police establishment as well as will certainly report having situated child pornography or various other illegal data on the gadget.

    Ransom.Cryak.55 popup alert may incorrectly claim to be deriving from a law enforcement institution and will report having situated child porn or various other unlawful data on the device. The alert will similarly contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: 6521C2A0
md5: f5cb2ba53f4298b6ce4c46cf20082f6b
name: horsefuckerinf.exe
sha1: 209d7e95a1bc21af192ba25697fda16d71b72830
sha256: 56b33abb48673a6ceeaced9567d4e3a4538a8a415663430a87eb49a9fc25b1dd
sha512: 790a2feadc81780c8531c48c7e72023efdf0486607a81a112d84e4d468fd7b13ad736ce9d0556a4502891f0564cf8e0799e25f367b07976b4d2d1912c3bcacec
ssdeep: 6144:lW59l6ZWKWLFmSQPP4o07J7kIHCT2Awy6Pk:oFErWwNPP4oDiAwy68
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom.Cryak.55 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetectVM.malware2
DrWebTrojan.MulDrop11.45415
MicroWorld-eScanGen:Variant.Ransom.Cryak.55
FireEyeGeneric.mg.f5cb2ba53f4298b6
McAfeeRDN/Generic PUP.x
CylanceUnsafe
K7AntiVirusTrojan ( 004c1e461 )
BitDefenderGen:Variant.Ransom.Cryak.55
K7GWTrojan ( 004c1e461 )
Cybereasonmalicious.53f429
BitDefenderThetaAI:Packer.D886E2481E
F-ProtW32/Filecoder.U.gen!Eldorado
SymantecML.Attribute.HighConfidence
APEXMalicious
GDataGen:Variant.Ransom.Cryak.55
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Filecoder.5e161cd8
AegisLabTrojan.Win32.Generic.4!c
RisingTrojan.Generic@ML.86 (RDMK:dQd67UzWcPYLK0ZxFdOvAg)
Endgamemalicious (high confidence)
EmsisoftGen:Variant.Ransom.Cryak.55 (B)
F-SecureTrojan.TR/FileCoder.wpzwq
Invinceaheuristic
McAfee-GW-EditionBehavesLike.Win32.Sytro.fh
Trapminemalicious.moderate.ml.score
SophosTroj/Ransom-FVJ
IkarusBackdoor.Win32.Singu
CyrenW32/Filecoder.U.gen!Eldorado
eGambitUnsafe.AI_Score_100%
AviraTR/FileCoder.wpzwq
WebrootW32.Ransom.Gen
ArcabitTrojan.Ransom.Cryak.55
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojan:Win32/Occamy.C
AhnLab-V3Trojan/Win32.FileCoder.C3994419
ALYacGen:Variant.Ransom.Cryak.55
MAXmalware (ai score=87)
VBA32BScope.Trojan.Encoder
MalwarebytesRansom.CryLocker
ESET-NOD32a variant of Win32/Filecoder.EQ
TrendMicro-HouseCallTROJ_GEN.R002H0CBJ20
TencentWin32.Trojan.Filecoder.Eerb
SentinelOneDFI – Suspicious PE
FortinetW32/Filecoder.EQ!tr.ransom
Ad-AwareGen:Variant.Ransom.Cryak.55
AVGFileRepMalware
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_70% (W)
Qihoo-360Generic/HEUR/QVM05.1.5BA9.Malware.Gen

How to remove Ransom.Cryak.55 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

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.Cryak.55 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.Cryak.55 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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