Win32/Kryptik.GCCR

What is Win32/Kryptik.GCCR infection?

In this post you will certainly find about the meaning of Win32/Kryptik.GCCR and its adverse influence on your computer system. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom money by a target.

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In the majority of the cases, Win32/Kryptik.GCCR virus will certainly advise its victims to launch funds move for the purpose of counteracting the changes that the Trojan infection has actually presented to the target’s device.

Win32/Kryptik.GCCR Summary

These alterations can be as complies with:

  • 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.
  • 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;
  • 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;
  • Attempts to delete volume shadow copies;
  • Modifies boot configuration settings;
  • Steals private information from local Internet browsers;
  • 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;
  • Likely virus infection of existing system binary;
  • 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 files situated on the sufferer’s disk drive — so the victim can no more utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/Kryptik.GCCR

The most common channels where Win32/Kryptik.GCCR are infused are:

  • By means of phishing e-mails;
  • As a repercussion of user winding up on a source that organizes a destructive software application;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the target’s computer or protect against the device from operating in a proper fashion – while additionally placing a ransom money note that mentions the need for the sufferers to impact the repayment for the objective of decrypting the records or recovering the data system back to the first problem. In the majority of circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has actually already been harmed.

Win32/Kryptik.GCCR distribution networks.

In various edges of the globe, Win32/Kryptik.GCCR expands by leaps and also bounds. However, the ransom notes and methods of extorting the ransom amount might vary depending on specific local (regional) settings. The ransom notes and also methods of extorting the ransom money amount might vary depending on particular neighborhood (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having detected some unlicensed applications made it possible for on the target’s device. The alert after that demands the individual to pay the ransom money.

    Faulty statements regarding prohibited material.

    In countries where software program piracy is less popular, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GCCR popup alert might incorrectly assert to be stemming from a police organization and also will certainly report having situated child pornography or other illegal data on the device.

    Win32/Kryptik.GCCR popup alert might incorrectly declare to be deriving from a legislation enforcement institution and also will certainly report having located child porn or other illegal data on the device. The alert will in a similar way include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: C466B67D
md5: 81eacf44ab05cc1e27e0c5f22e9502de
name: 81EACF44AB05CC1E27E0C5F22E9502DE.mlw
sha1: cf7813240fced0ea11fdcc79d17d1e6c9cebbcd6
sha256: e8d49cf26d8fe40dd58eff871becd54d22055af26c3bfb74b28acd15a4ad93b0
sha512: 89cb555372414e146d7e21b0e30c1147e440d53eada96de35e0d10eaf244452d358ea42c453508879f23571b70299d7fe273b524ff56c26fd81a28f2656e0a4b
ssdeep: 12288:6CqBsbphfGGWBlXvMLP6yxfvL+8gN/wouiMD:6CqEvfZKlXvMuyxfD+8gpwouv
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GCCR also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 005248c81 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24249
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Rapid
Cylance Unsafe
Zillya Trojan.Foreign.Win32.57503
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Genasom.ali1000102
K7GW Trojan ( 005248c81 )
Cybereason malicious.4ab05c
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GCCR
APEX Malicious
Avast FileRepMalware
ClamAV Win.Trojan.Emotet-6529326-0
Kaspersky Trojan-Ransom.Win32.Foreign.ocsm
BitDefender Gen:Variant.Razy.242995
NANO-Antivirus Trojan.Win32.Kryptik.exisli
ViRobot Trojan.Win32.S.Ransom.528896
MicroWorld-eScan Gen:Variant.Razy.242995
Tencent Malware.Win32.Gencirc.114ce253
Ad-Aware Gen:Variant.Razy.242995
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34628.GOW@aGdauipi
VIPRE Trojan.Win32.Generic!BT
TrendMicro TROJ_FRS.0NA103C320
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
FireEye Generic.mg.81eacf44ab05cc1e
Emsisoft Gen:Variant.Razy.242995 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.ccnca
Webroot W32.Gen.BT
Avira TR/Crypt.ZPACK.lvzoy
Antiy-AVL Trojan[Ransom]/Win32.Foreign
Microsoft Trojan:Win32/Tiggre!rfn
GData Gen:Variant.Razy.242995
TACHYON Ransom/W32.Foreign.528896
AhnLab-V3 Trojan/Win32.Foreign.C2400476
Acronis suspicious
McAfee GenericR-LMP!81EACF44AB05
MAX malware (ai score=98)
VBA32 TrojanRansom.Foreign
Malwarebytes Malware.Heuristic.1001
Panda Trj/CI.A
TrendMicro-HouseCall TROJ_FRS.0NA103C320
Rising Ransom.Agent!8.6B7 (CLOUD)
Yandex Trojan.GenAsa!JUHVXY5I5p4
Ikarus Trojan.Win32.Krypt
Fortinet W32/Kryptik.GCCR!tr
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Foreign.HgIASOoA

How to remove Win32/Kryptik.GCCR 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

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.GCCR 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.GCCR 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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