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

What is NSIS/Kryptik.A infection?

In this article you will find regarding the meaning of NSIS/Kryptik.A and also its unfavorable influence on your computer. Such ransomware are a type of malware that is specified by on the internet fraudulences to require paying the ransom by a target.

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Most of the cases, NSIS/Kryptik.A ransomware will certainly instruct its targets to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the victim’s device.

NSIS/Kryptik.A Summary

These adjustments can be as follows:

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


The most common channels where NSIS/Kryptik.A Ransomware are infused are:

  • By ways of phishing e-mails;
  • As an effect of user winding up on a resource that hosts a harmful software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the sufferer’s computer or prevent the gadget from operating in an appropriate manner – while likewise positioning a ransom money note that points out the need for the sufferers to impact the repayment for the function of decrypting the files or restoring the data system back to the preliminary condition. In the majority of instances, the ransom note will certainly come up when the client restarts the PC after the system has actually currently been damaged.

NSIS/Kryptik.A distribution networks.

In different corners of the world, NSIS/Kryptik.A grows by jumps as well as bounds. Nevertheless, the ransom money notes and also methods of extorting the ransom money amount may differ relying on particular local (regional) setups. The ransom notes and tricks of extorting the ransom amount might differ depending on particular regional (local) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In certain areas, the Trojans commonly wrongfully report having identified some unlicensed applications allowed on the target’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty statements about illegal material.

    In countries where software program piracy is less popular, this technique is not as reliable for the cyber frauds. Alternatively, the NSIS/Kryptik.A popup alert may wrongly claim to be deriving from a police organization and also will certainly report having situated kid pornography or other prohibited information on the tool.

    NSIS/Kryptik.A popup alert may incorrectly declare to be acquiring from a legislation enforcement institution and also will report having located kid pornography or other prohibited data on the tool. The alert will in a similar way include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: FCC4C2CA
md5: df3bb5c1ddbad764d39510a258045106
name: DF3BB5C1DDBAD764D39510A258045106.mlw
sha1: e5de7a8f9a62d11b3a22284379228efcad8c5f9f
sha256: 3fe437d3b4234e614539cda4929757c0eaef4a0b6f572b16c6e3d9e96d5e445a
sha512: f7b5bccd95d5c38ca77d979f1055d301b710a29f6bc89b5fed14d4bc69f7c9d3ee145e1221ff62a3223844549a02019cafa4ccaa7b20eba93f44588c19daec3b
ssdeep: 3072:GwDijpS4DbYcKpmGmzHUWO2wHZfaQeWn0cidcCQeTLFRiWU:GFUmZzHUWO2sZfRerdc0l4D
type: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

NSIS/Kryptik.A also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Agent.4!e
ALYac Trojan.RansomKD.5812111
Cylance Unsafe
K7GW Trojan ( 0050b0f71 )
K7AntiVirus Trojan ( 0050b0f71 )
Symantec Packed.NSISPacker!g4
APEX Malicious
Avast Win32:Trojan-gen
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Dropper.NSIS.Agent.gen
BitDefender Trojan.RansomKD.5812111
MicroWorld-eScan Trojan.RansomKD.5812111
Tencent Win32.Trojan.Ransomkd.Wtdr
Ad-Aware Trojan.RansomKD.5812111
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_BTCWARE.F117HB
McAfee-GW-Edition BehavesLike.Win32.ICLoader.cc
FireEye Generic.mg.df3bb5c1ddbad764
Emsisoft Trojan.RansomKD.5812111 (B)
SentinelOne Static AI – Malicious PE
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.RansomKD.D58AF8F
GData Trojan.RansomKD.5812111
McAfee Artemis!DF3BB5C1DDBA
MAX malware (ai score=80)
VBA32 TrojanDropper.Agent
Panda Trj/CI.A
TrendMicro-HouseCall Ransom_BTCWARE.F117HB
Ikarus Trojan-Ransom.Gryphon
Fortinet W32/BTCWare.I!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove NSIS/Kryptik.A 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 NSIS/Kryptik.A 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.A you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
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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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