Win32/Kryptik.GRMS

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

What is Win32/Kryptik.GRMS infection?

In this article you will certainly discover about the definition of Win32/Kryptik.GRMS as well as its negative influence on your computer. Such ransomware are a form of malware that is clarified by on the internet frauds to demand paying the ransom money by a victim.

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In the majority of the cases, Win32/Kryptik.GRMS virus will advise its sufferers to initiate funds move for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.GRMS 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.
  • Unconventionial language used in binary resources: Assamese;
  • 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;
  • 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 found on the victim’s disk drive — so the victim can no more make use of the information;
  • Preventing routine 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.GRMS

One of the most common channels where Win32/Kryptik.GRMS Trojans are injected are:

  • By ways of phishing e-mails;
  • As a repercussion of user ending up on a resource that holds a harmful software;

As soon as the Trojan is effectively injected, it will either cipher the data on the sufferer’s PC or avoid the tool from functioning in a correct fashion – while also positioning a ransom note that discusses the need for the victims to effect the settlement for the objective of decrypting the files or bring back the data system back to the preliminary condition. In many circumstances, the ransom money note will show up when the customer restarts the PC after the system has actually currently been harmed.

Win32/Kryptik.GRMS distribution networks.

In different corners of the globe, Win32/Kryptik.GRMS grows by leaps as well as bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom money amount might vary depending upon certain regional (local) settings. The ransom money notes as well as tricks of extorting the ransom money amount may vary depending on particular neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software application.

    In specific locations, the Trojans commonly wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The sharp then demands the individual to pay the ransom money.

    Faulty declarations concerning unlawful content.

    In nations where software piracy is less preferred, this approach is not as reliable for the cyber fraudulences. Alternatively, the Win32/Kryptik.GRMS popup alert might incorrectly declare to be deriving from a police institution as well as will certainly report having located child porn or various other illegal information on the gadget.

    Win32/Kryptik.GRMS popup alert might wrongly assert to be obtaining from a legislation enforcement institution and also will report having located child porn or other illegal data on the device. The alert will similarly include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 33E82BC0
md5: 5bf2578976011b8fd2c2b7d04ac3104c
name: 5BF2578976011B8FD2C2B7D04AC3104C.mlw
sha1: 19e0e7f3ae8b66b38f17406722468b0f2f3eabc5
sha256: 7dc281d84e4671f7be8dfc44b380d5cb50fee22d3b05e054a9c93c781c279a70
sha512: 8fedf02a5629d0d1df8003f57abe5a06e8b8e888217472f59311e1d016914685b30c331e9c61c9d3bda2f4af0b87e204fac307fcb583a66a074c0a1e3d4a83da
ssdeep: 6144:IodJuwvdRph27WFdxsuhnGrID9HLUNW3bfT:vdrdzhYWF3EIpwN2
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Kryptik.GRMS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0054aef31 )
Elastic malicious (high confidence)
DrWeb Trojan.Siggen8.22107
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.3f9b73ae
K7GW Trojan ( 0054aef31 )
Cybereason malicious.976011
Baidu Win32.Trojan.Kryptik.jm
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GRMS
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.GandCrypt.ijh
BitDefender Gen:Heur.Mint.Titirez.nmGfp4WBFRfG
NANO-Antivirus Trojan.Win32.GandCrypt.forkdh
ViRobot Trojan.Win32.GandCrab.3072000[UPX]
MicroWorld-eScan Gen:Heur.Mint.Titirez.nmGfp4WBFRfG
Tencent Win32.Trojan.Gandcrypt.Tape
Ad-Aware Gen:Heur.Mint.Titirez.nmGfp4WBFRfG
Sophos Mal/Generic-S
Comodo Backdoor.Win32.Mokes.PA@89hk8p
F-Secure Heuristic.HEUR/AGEN.1111669
BitDefenderTheta Gen:NN.ZexaF.34690.nmGfa4WBFRfG
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Trojan.dc
FireEye Generic.mg.5bf2578976011b8f
Emsisoft Gen:Heur.Mint.Titirez.nmGfp4WBFRfG (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.GandCrypt.aen
Avira HEUR/AGEN.1111669
eGambit Unsafe.AI_Score_76%
Antiy-AVL Trojan/Generic.ASMalwS.2B042D9
Microsoft Trojan:Win32/Glupteba!ml
Arcabit Trojan.Mint.Titirez.nmGfp4WBFRfG
AegisLab Trojan.Win32.GandCrypt.H!c
ZoneAlarm Trojan-Ransom.Win32.GandCrypt.ijh
GData Gen:Heur.Mint.Titirez.nmGfp4WBFRfG
TACHYON Ransom/W32.GandCrab.356352
AhnLab-V3 Malware/Win32.RL_Generic.R263798
McAfee Artemis!5BF257897601
VBA32 BScope.Backdoor.Mokes
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
Rising Downloader.Vigorf!8.F626 (CLOUD)
Ikarus Trojan.Win32.Crypt
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GRUH!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GRMS 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 Win32/Kryptik.GRMS 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.GRMS 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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