What is Win32/Kryptik.FSJA infection?

In this article you will certainly locate concerning the meaning of Win32/Kryptik.FSJA and its negative impact on your computer system. Such ransomware are a kind of malware that is specified by on the internet scams to require paying the ransom money by a target.

GridinSoft Anti-Malware Review

GridinSoft Anti-Malware

Removing computer viruses manually may take hours and may damage your PC in the process. I recommend you to download GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day trial available for threats removal.
EULA | Privacy Policy | GridinSoft

In the majority of the instances, Win32/Kryptik.FSJA infection will certainly instruct its victims to launch funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Kryptik.FSJA Summary

These modifications 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.
  • Presents an Authenticode digital signature;
  • 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: Russian;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Ciphering the files located on the victim’s hard disk drive — so the target can no more make use of the data;
  • Preventing normal accessibility to the victim’s workstation;


The most regular channels where Win32/Kryptik.FSJA Trojans are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a consequence of individual ending up on a resource that holds a harmful software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or stop the gadget from working in an appropriate manner – while likewise placing a ransom note that states the demand for the sufferers to impact the payment for the purpose of decrypting the papers or restoring the file system back to the first condition. In most instances, the ransom money note will show up when the client reboots the PC after the system has actually already been damaged.

Win32/Kryptik.FSJA distribution networks.

In various corners of the globe, Win32/Kryptik.FSJA grows by jumps and bounds. Nonetheless, the ransom notes as well as tricks of extorting the ransom amount may differ depending on particular regional (regional) settings. The ransom notes as well as techniques of extorting the ransom quantity might vary depending on specific regional (local) setups.

Ransomware injection

For example:

    Faulty notifies regarding unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s gadget. The alert after that demands the user to pay the ransom money.

    Faulty statements concerning unlawful material.

    In countries where software program piracy is much less popular, this method is not as effective for the cyber scams. Additionally, the Win32/Kryptik.FSJA popup alert might wrongly claim to be originating from a police establishment and also will report having located youngster pornography or various other unlawful data on the device.

    Win32/Kryptik.FSJA popup alert may wrongly claim to be obtaining from a regulation enforcement organization and also will certainly report having located youngster pornography or various other unlawful information on the gadget. The alert will in a similar way contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 1584F483
md5: 3c7bbdaa48cc79fd8cb1750a892d2516
name: 3C7BBDAA48CC79FD8CB1750A892D2516.mlw
sha1: 90f8f6f1bf899a0dc7fd01f80afd88279f8d23da
sha256: 88564b7f0618f61ea5909045cce70da767b530a3bd8e26150ad6f795540a0128
sha512: 01b7e05fe08762e68d0468b50abaa32141a3165b6e023601bd6d596b7c93c0939732c1b41630a1771968af451e35f6ff6229fd93a6fa024563c3eaedffad8862
ssdeep: 6144:MWKZQBH8/0Fgknh3MR38whA+GqiBesS/tthpkt:MWKZQNvgqhmhA+hiBotjY
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FSJA also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0050e04e1 )
Elastic malicious (high confidence)
DrWeb Trojan.InstallCube.2364
Cynet Malicious (score: 90)
ALYac Gen:Variant.Adware.Zusy.189980
Cylance Unsafe
Zillya Trojan.KryptikCRTD.Win32.11934
Sangfor Trojan.Win32.Save.a
Alibaba Trojan:Win32/GandCrab.02551a3d
K7GW Trojan ( 0050e04e1 )
Cybereason malicious.a48cc7
Cyren W32/S-6fe1f634!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.FSJA
APEX Malicious
Avast Win32:Adware-gen [Adw]
Kaspersky not-a-virus:AdWare.Win32.ICLoader.epjf
BitDefender Gen:Variant.Adware.Zusy.189980
NANO-Antivirus Riskware.Win32.ICLoader.epalkj
MicroWorld-eScan Gen:Variant.Adware.Zusy.189980
Tencent Malware.Win32.Gencirc.10b4029a
Ad-Aware Gen:Variant.Adware.Zusy.189980
Sophos Generic PUA JA (PUA)
Comodo TrojWare.Win32.Crypt.B@7o6bny
VIPRE Adware.Win32.ICLoader
McAfee-GW-Edition PUP-FZL
Emsisoft Application.AdFile (A)
SentinelOne Static AI – Malicious PE
Jiangmin AdWare.ICLoader.frw
Avira TR/Crypt.XPACK.Gen
eGambit Unsafe.AI_Score_100%
Microsoft Trojan:Win32/GandCrab.DVK!MTB
Arcabit Trojan.Adware.Zusy.D2E61C
ZoneAlarm not-a-virus:AdWare.Win32.ICLoader.epjf
GData Gen:Variant.Adware.Zusy.189980
MAX malware (ai score=100)
VBA32 BScope.Trojan.SelfDel
Panda Trj/Genetic.gen
Rising Trojan.Kryptik!1.AA23 (CLOUD)
Ikarus PUA.FileTour
MaxSecure not-a-virus:Adware.ICLoader.EPJF
Fortinet W32/Kryptik.GYQC!tr
AVG Win32:Adware-gen [Adw]
Qihoo-360 Win32/Ransom.GandCrab.HwcBEpsA

How to remove Win32/Kryptik.FSJA 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 Win32/Kryptik.FSJA 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.FSJA you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  1. GridinSoft Anti-Malware Review from HowToFix site:
  2. More information about GridinSoft products:

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.