Win32/Kryptik.DIBB

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

What is Win32/Kryptik.DIBB infection?

In this short article you will locate concerning the interpretation of Win32/Kryptik.DIBB and its unfavorable impact on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to require paying the ransom money by a target.

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In the majority of the cases, Win32/Kryptik.DIBB infection will advise its sufferers to launch funds transfer for the function of counteracting the modifications that the Trojan infection has presented to the victim’s device.

Win32/Kryptik.DIBB Summary

These alterations can be as follows:

  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • 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.
  • 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;
  • Executed a process and injected code into it, probably while unpacking;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Attempts to delete volume shadow copies;
  • Network activity contains more than one unique useragent.;
  • 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;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Creates a known TeslaCrypt/AlphaCrypt ransomware decryption instruction / key file.;
  • 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 situated on the victim’s disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Kryptik.DIBB

The most typical networks whereby Win32/Kryptik.DIBB Ransomware 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 winding up on a resource that holds a malicious software application;

As soon as the Trojan is efficiently injected, it will either cipher the data on the victim’s PC or stop the gadget from working in a correct way – while also positioning a ransom money note that points out the demand for the sufferers to impact the settlement for the purpose of decrypting the documents or recovering the data system back to the initial problem. In the majority of instances, the ransom money note will certainly turn up when the customer restarts the COMPUTER after the system has already been harmed.

Win32/Kryptik.DIBB distribution channels.

In various edges of the globe, Win32/Kryptik.DIBB grows by jumps as well as bounds. Nonetheless, the ransom notes as well as methods of obtaining the ransom quantity might differ relying on particular neighborhood (regional) setups. The ransom notes and tricks of obtaining the ransom amount might vary depending on certain regional (regional) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the sufferer’s tool. The sharp then demands the customer to pay the ransom money.

    Faulty statements regarding unlawful content.

    In nations where software piracy is much less popular, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/Kryptik.DIBB popup alert might falsely assert to be originating from a police establishment as well as will report having located kid porn or other prohibited data on the device.

    Win32/Kryptik.DIBB popup alert might wrongly assert to be obtaining from a law enforcement institution as well as will certainly report having located youngster pornography or other prohibited information on the gadget. The alert will similarly contain a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: EEE00BD3
md5: 57c4e64c33ffe882a63828a9959e1140
name: 57C4E64C33FFE882A63828A9959E1140.mlw
sha1: d03d737dafb213ebb641111293aea7fd50478383
sha256: 25a74564c90ffad8b9407c37dac8280aaa35f2d8816353722d0fc92038f2acd4
sha512: 005cd2488b6dc24cf802ba75921650904dee5ccdcbce20609712c7b09d14c29ed84df24a49c6849ca347781777457256079d0117c2669ccb2de7c1730c0cf4cd
ssdeep: 6144:2451UxmbDzQgGWNWveav9I8+dlSkjjI/MnxMBiqZ2NR:J1AwDzQgTN0v9FN+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.DIBB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.Common.D48388C6
K7AntiVirus Trojan ( 0055dd191 )
Elastic malicious (high confidence)
DrWeb Trojan.AVKill.36885
Cynet Malicious (score: 100)
ALYac Trojan.Agent.BJUB
Cylance Unsafe
Zillya Trojan.Bitman.Win32.195
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:Win32/Tescrypt.832a8fb8
K7GW Trojan ( 0055dd191 )
Cybereason malicious.c33ffe
Cyren W32/Trojan.VYDX-8865
Symantec Ransom.TeslaCrypt
ESET-NOD32 a variant of Win32/Kryptik.DIBB
APEX Malicious
Avast Win32:GenMalicious-LGB [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Agent.BJUB
NANO-Antivirus Trojan.Win32.Bitman.drmsxo
SUPERAntiSpyware Trojan.Agent/Gen-Ransom
MicroWorld-eScan Trojan.Agent.BJUB
Tencent Malware.Win32.Gencirc.10c7c1ad
Ad-Aware Trojan.Agent.BJUB
Sophos ML/PE-A + Mal/Wonton-S
Comodo Malware@#1psgixv0vd7hr
BitDefenderTheta Gen:NN.ZexaF.34628.vqW@a0tT5ihi
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_CRYPTESLA.XXQQ
FireEye Generic.mg.57c4e64c33ffe882
Emsisoft Trojan.Agent.BJUB (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Bitman.cy
Webroot Trojan.Dropper.Gen
Avira HEUR/AGEN.1126304
eGambit Generic.Malware
Kingsoft Win32.Troj.GenericKD.v.(kcloud)
Microsoft Ransom:Win32/Tescrypt.A
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.Agent.BJUB
AhnLab-V3 Trojan/Win32.Agent.C848188
Acronis suspicious
McAfee Ransom-Tescrypt!57C4E64C33FF
MAX malware (ai score=100)
VBA32 BScope.Trojan.AVKill
Panda Trj/RansomCrypt.C
TrendMicro-HouseCall TROJ_CRYPTESLA.XXQQ
Rising Ransom.Tescrypt!8.3AF (CLOUD)
Yandex Trojan.Bitman!PatY9/9RlWE
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.DHVM!tr
AVG Win32:GenMalicious-LGB [Trj]
Qihoo-360 Win32/Ransom.Tescrypt.HwoCEpsA

How to remove Win32/Kryptik.DIBB 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

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 Win32/Kryptik.DIBB 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 Win32/Kryptik.DIBB 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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