NSIS/Kryptik.F

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

What is NSIS/Kryptik.F infection?

In this article you will certainly locate about the interpretation of NSIS/Kryptik.F and its negative effect on your computer. Such ransomware are a type of malware that is specified by online frauds to require paying the ransom by a target.

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In the majority of the instances, NSIS/Kryptik.F infection will certainly instruct its targets to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has introduced to the victim’s gadget.

NSIS/Kryptik.F Summary

These modifications can be as follows:

  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s disk drive — so the victim can no more use the data;
  • Preventing routine accessibility to the victim’s workstation;

NSIS/Kryptik.F

The most typical networks whereby NSIS/Kryptik.F Ransomware are injected are:

  • By methods of phishing e-mails;
  • As a consequence of individual ending up on a source that hosts a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s PC or protect against the tool from operating in a correct fashion – while likewise placing a ransom note that mentions the demand for the victims to effect the settlement for the function of decrypting the papers or recovering the file system back to the initial problem. In the majority of instances, the ransom note will turn up when the client reboots the PC after the system has actually already been harmed.

NSIS/Kryptik.F circulation networks.

In different corners of the globe, NSIS/Kryptik.F grows by leaps and bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money amount might differ depending upon specific regional (regional) setups. The ransom money notes as well as methods of extorting the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having found some unlicensed applications made it possible for on the sufferer’s gadget. The sharp then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful content.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber scams. Additionally, the NSIS/Kryptik.F popup alert might falsely assert to be originating from a law enforcement establishment and also will certainly report having situated youngster pornography or various other illegal data on the gadget.

    NSIS/Kryptik.F popup alert might wrongly claim to be acquiring from a law enforcement institution as well as will certainly report having situated child porn or other unlawful data on the device. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 34533230
md5: 4bdef646f1f3a1e6c004b89d8a59fbfb
name: 4BDEF646F1F3A1E6C004B89D8A59FBFB.mlw
sha1: 165d62205cb6b6640af2f88f392813d38d50d46d
sha256: aef44955b2fd16fc7114db46ff3eee7799b7399cba62408a338854e06b387842
sha512: 3410c795ba420d6de4b6c4ed345734b16024aaa40c58e558e0e082279626e4a530834c0c2686f65c579935df27bda0471a382cfd5073df586d75aedb4e41ce93
ssdeep: 24576:oJgmYHtO1053VGjXb12NKfMpO+r+gF+O6qQnGPTL+:oYHtu05EjxpM8y+gFvQv
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Kryptik.F also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 00515a491 )
DrWebTrojan.Encoder.10507
CynetMalicious (score: 99)
ALYacTrojan.RansomKD.12238064
CylanceUnsafe
SangforTrojan.Win32.Predator.GJ
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 00515a491 )
Cybereasonmalicious.6f1f3a
SymantecTrojan.Gen.2
ESET-NOD32NSIS/Kryptik.F
ZonerTrojan.Win32.63416
APEXMalicious
AvastWin32:NSISDropper-B [Drp]
KasperskyTrojan-Ransom.Win32.Shade.nyv
BitDefenderTrojan.RansomKD.12238064
NANO-AntivirusTrojan.Win32.Shade.fgagxa
MicroWorld-eScanTrojan.RansomKD.12238064
TencentWin32.Trojan.Inject.Auto
Ad-AwareTrojan.RansomKD.12238064
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Dropper.dc
FireEyeTrojan.RansomKD.12238064
EmsisoftTrojan.RansomKD.12238064 (B)
AviraHEUR/AGEN.1116891
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Predator.GJ!MTB
GDataTrojan.RansomKD.12238064
AhnLab-V3Trojan/Win32.Shade.C2115790
McAfeeArtemis!4BDEF646F1F3
MAXmalware (ai score=100)
VBA32Trojan-Ransom.Shade
PandaTrj/CI.A
RisingTrojan.Injector/NSIS!1.BFBB (CLASSIC)
YandexTrojan.Igent.bTb7Ir.36
FortinetW32/Injector.XG!tr
AVGWin32:NSISDropper-B [Drp]
Paloaltogeneric.ml

How to remove NSIS/Kryptik.F 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 NSIS/Kryptik.F 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 NSIS/Kryptik.F 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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