Win32/Kryptik.GEWG

What is Win32/Kryptik.GEWG infection?

In this post you will certainly locate regarding the interpretation of Win32/Kryptik.GEWG and also its negative effect on your computer system. Such ransomware are a type of malware that is clarified by online scams to require paying the ransom money by a victim.

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In the majority of the instances, Win32/Kryptik.GEWG virus will certainly instruct its victims to initiate funds transfer for the function of counteracting the changes that the Trojan infection has presented to the victim’s gadget.

Win32/Kryptik.GEWG Summary

These adjustments can be as adheres to:

  • 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.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Detects Sandboxie through the presence of a library;
  • Deletes its original binary from disk;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • A system process is generating network traffic likely as a result of process injection;
  • 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 hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s hard disk — so the sufferer can no more utilize the data;
  • Preventing routine accessibility to the sufferer’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.GEWG

One of the most common channels whereby Win32/Kryptik.GEWG Trojans are injected are:

  • By means of phishing e-mails;
  • As an effect of individual winding up on a resource that holds a harmful software;

As quickly as the Trojan is successfully injected, it will certainly either cipher the data on the sufferer’s PC or prevent the device from functioning in an appropriate manner – while likewise placing a ransom money note that mentions the demand for the targets to impact the settlement for the purpose of decrypting the papers or bring back the file system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually currently been damaged.

Win32/Kryptik.GEWG circulation channels.

In different edges of the globe, Win32/Kryptik.GEWG expands by jumps and also bounds. Nevertheless, the ransom notes and techniques of extorting the ransom money amount may differ depending on certain local (regional) settings. The ransom money notes and methods of extorting the ransom quantity may vary depending on certain regional (local) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty statements regarding unlawful content.

    In countries where software program piracy is less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Win32/Kryptik.GEWG popup alert might falsely assert to be originating from a law enforcement institution and will report having situated child pornography or other prohibited data on the gadget.

    Win32/Kryptik.GEWG popup alert may wrongly claim to be obtaining from a legislation enforcement organization and will report having located child porn or various other illegal information on the gadget. The alert will similarly include a need for the user to pay the ransom.

Technical details

File Info:

crc32: 575F633F
md5: a3f485234334a2bd5bce8f853f973195
name: A3F485234334A2BD5BCE8F853F973195.mlw
sha1: 1328fcba298473533b8e4846cfc0dedd1e4520d9
sha256: 8e7f2b6ad9835a3eda7c89b28b31855ef1b586b034dd0538996ce3ce5a95fe60
sha512: b2e48cfbd645f88ebfd5ed2c65909c8e4538c5696cb9d1b1eca24326febdce9a1129b68c27e280ba7c1686e51e56015d18b71f7c45374f7be34b577b6915b67d
ssdeep: 3072:5L2vgDYNsJicoZsrR2uik+M4r6X7NzoRy:5L2vvNg+M4O5zo
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GEWG also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24384
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Chapak.ZZ6
ALYac Trojan.BRMon.Gen.4
Cylance Unsafe
Zillya Trojan.NeutrinoPOS.Win32.131
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 0053305e1 )
Cybereason malicious.34334a
Cyren W32/S-01ba2890!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GEWG
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.4
NANO-Antivirus Trojan.Win32.NeutrinoPOS.ezdxxr
ViRobot Trojan.Win32.U.Ransom.268296
SUPERAntiSpyware Trojan.Agent/Gen-Kryptik
MicroWorld-eScan Trojan.BRMon.Gen.4
Tencent Win32.Trojan.Generic.Loho
Ad-Aware Trojan.BRMon.Gen.4
Sophos Mal/Generic-S + Mal/GandCrab-D
Comodo TrojWare.Win32.NeutrinoPOS.NS@7ku27j
BitDefenderTheta Gen:NN.ZexaF.34678.muW@aiX0lNg
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_GANDCRAB.SMALY-3
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.a3f485234334a2bd
Emsisoft Trojan.BRMon.Gen.4 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Banker.NeutrinoPOS.de
Avira TR/Crypt.XPACK.Gen7
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Skeeyah.A!rfn
Arcabit Trojan.BRMon.Gen.4
AegisLab Trojan.Win32.NeutrinoPOS.7!c
GData Trojan.BRMon.Gen.4
TACHYON Ransom/W32.Blocker.202240.B
AhnLab-V3 Win-Trojan/Gandcrab02.Exp
Acronis suspicious
McAfee Packed-FCS!A3F485234334
MAX malware (ai score=100)
VBA32 BScope.TrojanBanker.NeutrinoPOS
Malwarebytes Ransom.GandCrab
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_GANDCRAB.SMALY-3
Rising Malware.Strealer!8.1EF (CLOUD)
Yandex Trojan.GenAsa!F3ZxDoGRYrA
Ikarus Trojan.Crypt
Fortinet W32/Kryptik.GVHF!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwoCEpsA

How to remove Win32/Kryptik.GEWG 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.GEWG 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 Win32/Kryptik.GEWG 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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