Ransom:Win32/Cribit.A

What is Ransom:Win32/Cribit.A infection?

In this post you will discover about the interpretation of Ransom:Win32/Cribit.A and also its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet scams to require paying the ransom money by a sufferer.

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Most of the instances, Ransom:Win32/Cribit.A virus will instruct its sufferers to start funds transfer for the objective of counteracting the amendments that the Trojan infection has actually introduced to the victim’s tool.

Ransom:Win32/Cribit.A Summary

These modifications can be as adheres to:

  • 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.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • 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
  • Creates a copy of itself;
  • 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 documents located on the target’s hard disk — so the victim can no longer use the data;
  • Preventing normal accessibility 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:Win32/Cribit.A

The most typical networks through which Ransom:Win32/Cribit.A Trojans are injected are:

  • By means of phishing emails;
  • As a repercussion of individual ending up on a resource that organizes a malicious software application;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or prevent the device from working in a correct fashion – while additionally placing a ransom money note that mentions the need for the targets to impact the settlement for the objective of decrypting the records or recovering the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will come up when the client restarts the COMPUTER after the system has currently been damaged.

Ransom:Win32/Cribit.A circulation channels.

In various edges of the globe, Ransom:Win32/Cribit.A expands by jumps and also bounds. However, the ransom notes and also tricks of extorting the ransom amount might differ depending upon specific regional (regional) setups. The ransom notes and tricks of obtaining the ransom quantity may vary depending on particular local (local) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The alert then demands the individual to pay the ransom.

    Faulty statements about unlawful content.

    In nations where software piracy is less preferred, this approach is not as effective for the cyber fraudulences. Additionally, the Ransom:Win32/Cribit.A popup alert might wrongly declare to be stemming from a police establishment and will report having located child porn or various other unlawful information on the tool.

    Ransom:Win32/Cribit.A popup alert may wrongly claim to be acquiring from a regulation enforcement institution and also will certainly report having situated child porn or various other prohibited information on the device. The alert will likewise include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 6B7C180D
md5: 718c581630dcce957041bbab9fdd1fd1
name: 718C581630DCCE957041BBAB9FDD1FD1.mlw
sha1: f706b800ad7253cba7447da83a97ff655fe74376
sha256: 7e9310d3e59b6a67998fd740a132f6a2e3bd9e729e749e14e5cad20ef4726eba
sha512: e5f35139ed6435034522c322c7cd7dc41dc52965f4373b6d97450803a036b3eca92ef92281dde2e00dfcc4655a098848b0ace66c4b97a302103ae08f066129fd
ssdeep: 6144:f6Grnsvieu3qI7AnPcOxiaKJzn51XK7nPPHM6SsGuYY8vEec+wjhXEEcfVoSN2h:f/nsvieZIEPcOCY+sK7/wyx1AhVVXe
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Cribit.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop5.12187
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.AGB
Cylance Unsafe
Zillya Trojan.Rakhni.Win32.15
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Rakhni.c7ced0ee
K7GW Riskware ( 0040eff71 )
Cybereason malicious.630dcc
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.CE
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Rakhni.ce
BitDefender Trojan.Ransom.AGB
NANO-Antivirus Trojan.Win32.Drop.cuxbuk
MicroWorld-eScan Trojan.Ransom.AGB
Tencent Win32.Trojan.Rakhni.Agbk
Ad-Aware Trojan.Ransom.AGB
Sophos ML/PE-A + Troj/Ransom-AHJ
Comodo Malware@#20hkaxndygex7
BitDefenderTheta Gen:NN.ZelphiF.34628.LSW@aOhZD3h
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Generic.hh
FireEye Generic.mg.718c581630dcce95
Emsisoft Trojan.Ransom.AGB (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Rakhni.k
Webroot W32.Trojan.Ransom
eGambit Generic.Malware
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Cribit.A
GData Trojan.Ransom.AGB
AhnLab-V3 Trojan/Win32.Ransom.C310480
Acronis suspicious
McAfee Artemis!718C581630DC
MAX malware (ai score=100)
VBA32 Trojan.Boot.Heur
Malwarebytes Malware.Heuristic.1001
Panda Trj/Genetic.gen
Yandex Trojan.Filecoder!1ruGb8wtOIU
Ikarus Trojan-Ransom.BitCrypt2
Fortinet W32/Filecoder.CE!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Rakhni.HwUBEpsA

How to remove Ransom:Win32/Cribit.A 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:Win32/Cribit.A 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:

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If the guide doesn’t help you to remove Ransom:Win32/Cribit.A 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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