Win32/Kryptik.GJRD
Rachel Ross
Updated on March 02, 2026
What is Win32/Kryptik.GJRD infection?
In this post you will certainly find about the meaning of Win32/Kryptik.GJRD and its negative impact on your computer. Such ransomware are a form of malware that is specified by on the internet frauds to demand paying the ransom by a sufferer.
In the majority of the situations, Win32/Kryptik.GJRD virus will instruct its targets to launch funds move for the function of counteracting the changes that the Trojan infection has actually presented to the target’s tool.
Win32/Kryptik.GJRD Summary
These adjustments can be as follows:
- 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.
- A process created a hidden window;
- Unconventionial language used in binary resources: Czech;
- Uses Windows utilities for basic functionality;
- 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!
- Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.The registry run keys perform the same action, and can be located in different locations:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- Attempts to identify installed AV products by registry key;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the files found on the sufferer’s hard disk — so the target can no longer use the data;
- Preventing regular accessibility to the victim’s workstation;
Win32/Kryptik.GJRD
One of the most normal channels where Win32/Kryptik.GJRD Ransomware Trojans are injected are:
- By methods of phishing emails;
- As an effect of individual winding up on a source that holds a harmful software;
As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s computer or stop the tool from working in a proper manner – while additionally positioning a ransom note that mentions the requirement for the sufferers to impact the payment for the function of decrypting the papers or restoring the documents system back to the first problem. In many instances, the ransom note will certainly show up when the client reboots the COMPUTER after the system has already been harmed.
Win32/Kryptik.GJRD distribution networks.
In numerous edges of the world, Win32/Kryptik.GJRD expands by leaps and also bounds. However, the ransom notes and also tricks of extorting the ransom money quantity might vary depending upon particular local (regional) setups. The ransom money notes as well as methods of obtaining the ransom amount might vary depending on particular regional (regional) setups.
As an example:
Faulty alerts about unlicensed software application.
In certain locations, the Trojans often wrongfully report having spotted some unlicensed applications made it possible for on the target’s tool. The alert then requires the individual to pay the ransom.
Faulty declarations about illegal content.
In countries where software application piracy is much less prominent, this approach is not as efficient for the cyber scams. Additionally, the Win32/Kryptik.GJRD popup alert may wrongly claim to be originating from a law enforcement institution and will report having located kid porn or other prohibited information on the device.
Win32/Kryptik.GJRD popup alert might wrongly assert to be obtaining from a legislation enforcement establishment and also will report having situated child pornography or various other unlawful data on the device. The alert will similarly consist of a requirement for the individual to pay the ransom.
Technical details
File Info:
crc32: 64B9E376md5: 7aae7b40ed97c8054dc6b97b74b897dcname: 7AAE7B40ED97C8054DC6B97B74B897DC.mlwsha1: e7233f4f2c4f716fefd2945d642510d6876eb53csha256: 7d0093ba25a32b1619f23a865ed813c37cbebcbc566cf6336d2ec85e262c643fsha512: e0353bd4068849cc2cb35d3abdfd65055481e61b7edb6c58c401b7280ec00ca0c998775acf7136a30238432857cd43a96f54b6773f02d4aae85b4cd655980419ssdeep: 3072:86PzlWMGQC2mCeKpXQ46mDO7gaPvz5Qr+pUwdKIfz6D2tjBA6NyXP96w8R/:86PzggxQ41DQgaHzSEd7fz6Ajwf96wtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
InternalName: sgfnghmj.exeFileVersion: 8.4.3.12
Win32/Kryptik.GJRD also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 0053d5971 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Siggen7.56435 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Variant.Ransom.GandCrab.1903 |
| Cylance | Unsafe |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_80% (D) |
| Alibaba | Trojan:Win32/Bunitu.ali1000105 |
| K7GW | Trojan ( 0053d5971 ) |
| Cybereason | malicious.0ed97c |
| Symantec | Packed.Generic.525 |
| ESET-NOD32 | a variant of Win32/Kryptik.GJRD |
| APEX | Malicious |
| Avast | FileRepMalware |
| Kaspersky | Trojan.Win32.Chapak.anoi |
| BitDefender | Gen:Variant.Ransom.GandCrab.1903 |
| NANO-Antivirus | Trojan.Win32.Kryptik.fgphun |
| MicroWorld-eScan | Gen:Variant.Ransom.GandCrab.1903 |
| Tencent | Win32.Trojan.Chapak.Akfu |
| Ad-Aware | Gen:Variant.Ransom.GandCrab.1903 |
| Sophos | Mal/Generic-S + Mal/GandCrab-G |
| Comodo | Malware@#ewksp1cti9k1 |
| BitDefenderTheta | Gen:NN.ZexaF.34608.nu0@ayv6sEaG |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Mal_HPGen-50 |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.dh |
| FireEye | Generic.mg.7aae7b40ed97c805 |
| Emsisoft | Gen:Variant.Ransom.GandCrab.1903 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Avira | HEUR/AGEN.1103322 |
| eGambit | Unsafe.AI_Score_99% |
| Microsoft | Ransom:Win32/GandCrab.AT!bit |
| AegisLab | Trojan.Win32.Chapak.4!c |
| GData | Gen:Variant.Ransom.GandCrab.1903 |
| AhnLab-V3 | Win-Trojan/MalPe34.Suspicious.X2029 |
| Acronis | suspicious |
| McAfee | Packed-FKN!7AAE7B40ED97 |
| MAX | malware (ai score=100) |
| VBA32 | Trojan.Chapak |
| Malwarebytes | Trojan.Agent |
| Panda | Trj/GdSda.A |
| TrendMicro-HouseCall | Mal_HPGen-50 |
| Rising | (CLOUD) |
| Ikarus | Trojan-Downloader.Win32.Zurgop |
| MaxSecure | Ransomeware.CRAB.gen |
| Fortinet | W32/Kryptik.GKJF!tr |
| AVG | FileRepMalware |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Trojan.333 |
How to remove Win32/Kryptik.GJRD virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32/Kryptik.GJRD 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Win32/Kryptik.GJRD you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
