Win32/Kryptik.GREM

Written by Robert Bailey

What is Win32/Kryptik.GREM infection?

In this article you will find regarding the definition of Win32/Kryptik.GREM and also its unfavorable effect on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom by a victim.

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Most of the instances, Win32/Kryptik.GREM ransomware will certainly advise its victims to initiate funds move for the function of neutralizing the modifications that the Trojan infection has actually introduced to the target’s tool.

Win32/Kryptik.GREM Summary

These modifications 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.
  • Unconventionial language used in binary resources: Kannada;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Ciphering the papers located on the sufferer’s hard drive — so the target can no more make use of the information;
  • Preventing normal access 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.

Win32/Kryptik.GREM

The most normal networks through which Win32/Kryptik.GREM Trojans are injected are:

  • By means of phishing emails;
  • As a consequence of user ending up on a source that organizes a malicious software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the sufferer’s computer or prevent the gadget from functioning in an appropriate fashion – while additionally putting a ransom note that discusses the demand for the sufferers to impact the settlement for the objective of decrypting the files or bring back the file system back to the first condition. In a lot of circumstances, the ransom note will turn up when the client restarts the PC after the system has currently been harmed.

Win32/Kryptik.GREM distribution networks.

In different corners of the globe, Win32/Kryptik.GREM expands by leaps and also bounds. Nevertheless, the ransom money notes as well as methods of obtaining the ransom money amount may differ depending upon specific regional (regional) setups. The ransom notes as well as methods of obtaining the ransom quantity may differ depending on certain regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software program.

    In certain locations, the Trojans frequently wrongfully report having identified some unlicensed applications enabled on the sufferer’s gadget. The sharp after that demands the individual to pay the ransom.

    Faulty statements regarding illegal material.

    In countries where software program piracy is less preferred, this approach is not as reliable for the cyber scams. Conversely, the Win32/Kryptik.GREM popup alert may incorrectly assert to be originating from a police institution and also will report having located kid porn or other unlawful data on the tool.

    Win32/Kryptik.GREM popup alert may wrongly declare to be acquiring from a legislation enforcement establishment and will report having situated child pornography or various other unlawful information on the gadget. The alert will similarly contain a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 3A5324E5
md5: 1b0f56581b4524e131e6601e462a4eb0
name: 1B0F56581B4524E131E6601E462A4EB0.mlw
sha1: 3d99d34f72dcbc660a1026ba9c3365bfbefb9680
sha256: 2b702fdad755eedf30c93ed9a492a064317e321eb3707bf78c4a1a8c369283ab
sha512: 67a07bc439d558ea387f79b1e50ab8b8d3e9a7ed225aec4231a1b013f9436a0772bf1ee1b9e52d414d048a50ce3300615f0da1427d316051ba4799c90c6aedb0
ssdeep: 3072:Wg8q/2hpqq80mvEY7pX+/CICdrGcltQDLM+y6UmtsPbg7ofiXE1bKF:Wg8PvxZApV+K9dCclbLmtsjyofi01b
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Kryptik.GREM also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0054a6cf1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.27596
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.GandCrab
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Ransom:Win32/GandCrypt.c0e85bd3
K7GW Trojan ( 0054a6cf1 )
Cybereason malicious.81b452
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GREM
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.GandCrypt.ifj
BitDefender Gen:Heur.Mint.Titirez.kmGfA4Rn43nG
NANO-Antivirus Trojan.Win32.GandCrypt.folamc
ViRobot Trojan.Win32.GandCrab.Gen.B
MicroWorld-eScan Gen:Heur.Mint.Titirez.kmGfA4Rn43nG
Tencent Win32.Trojan.Gandcrypt.Dxdn
Ad-Aware Gen:Heur.Mint.Titirez.kmGfA4Rn43nG
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Zpevdo.FY@835xne
BitDefenderTheta Gen:NN.ZexaF.34690.kmGfa4Rn43nG
McAfee-GW-Edition BehavesLike.Win32.Trojan.cc
FireEye Generic.mg.1b0f56581b4524e1
Emsisoft Gen:Heur.Mint.Titirez.kmGfA4Rn43nG (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.GandCrypt.yb
Avira TR/GoCloudNet.Gen
eGambit Unsafe.AI_Score_87%
Antiy-AVL Trojan/Generic.ASMalwS.2AF88C1
Microsoft Trojan:Win32/Glupteba!ml
AegisLab Trojan.Win32.GandCrypt.4!c
GData Gen:Heur.Mint.Titirez.kmGfA4Rn43nG
AhnLab-V3 Trojan/Win32.MalPe.R270054
Acronis suspicious
McAfee Artemis!1B0F56581B45
MAX malware (ai score=100)
VBA32 BScope.Trojan.Chapak
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex Trojan.GandCrypt!61QGgMJDjC8
Ikarus Trojan.Win32.Ranumbot
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/GenKryptik.DQHN!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GREM 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.GREM 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.GREM 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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