Ransom:Win32/Criakl.A

What is Ransom:Win32/Criakl.A infection?

In this short article you will certainly locate regarding the definition of Ransom:Win32/Criakl.A and also its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by on-line scams to require paying the ransom by a victim.

Most of the cases, Ransom:Win32/Criakl.A virus will certainly advise its sufferers to initiate funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the sufferer’s tool.

Ransom:Win32/Criakl.A Summary

These adjustments can be as complies with:

  • Injection (inter-process);
  • 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.
  • Injection with CreateRemoteThread in a remote process;
  • 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: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Queries information on disks, possibly for anti-virtualization. Since VMs share the same disk space so it is expected that they won’t be getting as much space as an application running on
    native hardware will have access to.
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Checks for the presence of known devices from debuggers and forensic tools;
  • Harvests information related to installed mail clients;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files located on the sufferer’s hard disk drive — so the target can no longer use the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Ransom:Win32/Criakl.A

One of the most regular channels whereby Ransom:Win32/Criakl.A Trojans 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 a repercussion of customer ending up on a source that organizes a malicious software;

As soon as the Trojan is successfully infused, it will either cipher the data on the target’s computer or avoid the device from functioning in a correct manner – while additionally putting a ransom note that discusses the demand for the sufferers to impact the payment for the purpose of decrypting the records or recovering the documents system back to the first condition. In many circumstances, the ransom money note will certainly come up when the customer reboots the PC after the system has actually already been harmed.

Ransom:Win32/Criakl.A distribution networks.

In various edges of the globe, Ransom:Win32/Criakl.A grows by jumps and bounds. Nonetheless, the ransom notes as well as methods of extorting the ransom money amount may differ depending upon specific local (regional) settings. The ransom notes as well as methods of obtaining the ransom money quantity might vary depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having actually discovered some unlicensed applications enabled on the target’s gadget. The sharp then demands the user to pay the ransom.

    Faulty declarations concerning illegal content.

    In nations where software application piracy is much less preferred, this technique is not as effective for the cyber scams. Conversely, the Ransom:Win32/Criakl.A popup alert might wrongly declare to be deriving from a police institution as well as will certainly report having situated child porn or various other unlawful information on the device.

    Ransom:Win32/Criakl.A popup alert might falsely assert to be deriving from a regulation enforcement organization and will certainly report having located kid porn or other unlawful information on the device. The alert will in a similar way consist of a demand for the individual to pay the ransom money.

Technical details

File Info:

crc32: F74E08B8md5: 4611dad78021e5cc076dd68405e33a09name: 4611DAD78021E5CC076DD68405E33A09.mlwsha1: 16cb8c6aa1f44743b41802e2481129747866ffd6sha256: 92b822bb1c60c724db11433c5f0557f8bb7dd2b6491a9898267de7c7ba7b333esha512: d7df79aa4b806f77b468468d78393ed4e7d4888d96a18104efa07c82ad57aff08c18654b4129896023b09c6fce2048d63e58a3c3580df47b685955a0a86297dessdeep: 24576:EXHaVvBuIpTATyqjQtDaO/BoEVJFBHdwZqqFkKlz2r3uR6p40Tugwe+y7:EXCvBukPtDxeIJwEaxgxp40TItype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Criakl.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004c15901 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.44382199
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Criakl.cde96633
K7GW Trojan ( 004c15901 )
Cybereason malicious.78021e
Cyren W32/Banker.BF.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Filecoder.CQ
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.44382199
NANO-Antivirus Trojan.Win32.Filecoder.czyaxv
MicroWorld-eScan Trojan.GenericKD.44382199
Tencent Win32.Trojan.Filecoder.Pall
Ad-Aware Trojan.GenericKD.44382199
Sophos Mal/Generic-S
Comodo Malware@#2k5vv4afja4gg
BitDefenderTheta Gen:NN.ZexaF.34628.ETW@aiIkARjc
VIPRE Trojan.Win32.Generic.pak!cobra
McAfee-GW-Edition BehavesLike.Win32.Benjamin.tc
FireEye Generic.mg.4611dad78021e5cc
Emsisoft Trojan.GenericKD.44382199 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Generic.bkacb
Avira HEUR/AGEN.1130027
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/Criakl.A
Arcabit Trojan.Generic.D2A537F7
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.GenericKD.44382199
AhnLab-V3 Trojan/Win32.Gen
McAfee GenericR-APD!4611DAD78021
MAX malware (ai score=100)
VBA32 TScope.Malware-Cryptor.SB
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
Rising Ransom.Criakl!8.1B3B (CLOUD)
Yandex Trojan.Filecoder!No1qqvkeFYM
Ikarus Backdoor.Win32.Fynloski
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Filecoder.CQ!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Ransom:Win32/Criakl.A 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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

If the guide doesn’t help you to remove Ransom:Win32/Criakl.A you can always ask me in the comments for getting help.

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

    Leave a Comment