What is Win32/Kryptik.GYRU infection?
In this post you will certainly find about the definition of Win32/Kryptik.GYRU as well as its unfavorable impact on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to require paying the ransom money by a sufferer.
Most of the situations, Win32/Kryptik.GYRU ransomware will advise its sufferers to initiate funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s gadget.
Win32/Kryptik.GYRU 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.
- Injection (inter-process);
- Injection (Process Hollowing);
- 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.
- Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.
Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Executed a process and injected code into it, probably while unpacking;
- 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
- Collects information about installed applications;
- 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.
- Creates a copy of itself;
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the records situated on the victim’s hard disk — so the victim can no more make use of the information;
- Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyz | TrojanRansom.Shade |
a.tomx.xyz | TrojanRansom.Shade |
Win32/Kryptik.GYRU
The most regular networks whereby Win32/Kryptik.GYRU Ransomware are infused are:
- By ways of phishing emails;
- As a consequence of customer ending up on a source that hosts a malicious software;
As quickly as the Trojan is effectively injected, it will either cipher the information on the victim’s PC or avoid the device from operating in an appropriate manner – while likewise positioning a ransom money note that states the requirement for the victims to impact the repayment for the purpose of decrypting the files or bring back the documents system back to the initial problem. In a lot of circumstances, the ransom money note will certainly show up when the customer restarts the PC after the system has already been damaged.
Win32/Kryptik.GYRU distribution networks.
In different corners of the globe, Win32/Kryptik.GYRU expands by leaps and also bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money amount might differ relying on specific regional (regional) setups. The ransom money notes and also tricks of obtaining the ransom amount might vary depending on specific regional (local) settings.
For example:
Faulty signals regarding unlicensed software program.
In certain areas, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the victim’s gadget. The alert after that requires the individual to pay the ransom.
Faulty statements about illegal web content.
In nations where software piracy is less preferred, this technique is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GYRU popup alert may falsely assert to be deriving from a police establishment and will report having located kid pornography or various other unlawful data on the gadget.
Win32/Kryptik.GYRU popup alert might wrongly claim to be deriving from a legislation enforcement establishment and also will certainly report having located child pornography or other unlawful data on the gadget. The alert will in a similar way include a need for the individual to pay the ransom money.
Technical details
File Info:
crc32: 8E06AB64md5: ad137e5b2ea970fcf1db83d51715f38cname: 2c.jpgsha1: 78b802f6e90a9bfe7d520cb0ae7fbc7a09b2465csha256: 8309b896b0f7b895e84ac2ad491be11870e20bd101bf8e4b0dc1b8adc85b8530sha512: 5973f43a2af4b9de83339fe44d8269f1e485c7b6b870122116bd17603ebd0919a329607317d28348132094ba9187bb4abeeac5595a8528bfa9b7b8f621f2d724ssdeep: 24576:J7/k8qDC27Gdi5xx8LvtlWy9BTuC1G86qRkNLhx4UH8A0FdEZbLFNlbfeJV:N/I7UiTx8RlRrlRwhmI8nzUVnGvtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
LegalCopyright: xa9IBE Software 2016 All rights reserved.InternalName: PerformedFileVersion: 2.6.6.2CompanyName: IBE SoftwarePrivateBuild: 2.6.6.2LegalTrademarks: xa9IBE Software 2016 All rights reserved.ProductName: PerformedProductVersion: 2.6.6.2FileDescription: River Sdr Programming Interaction RipeTranslation: 0x0409 0x04b0
Win32/Kryptik.GYRU also known as:
GridinSoft | Trojan.Ransom.Gen |
MicroWorld-eScan | Trojan.GenericKD.42043462 |
FireEye | Generic.mg.ad137e5b2ea970fc |
CAT-QuickHeal | TrojanRansom.Shade |
McAfee | Artemis!AD137E5B2EA9 |
ALYac | Trojan.Ransom.Shade |
Malwarebytes | Spyware.PasswordStealer |
Sangfor | Malware |
CrowdStrike | win/malicious_confidence_100% (W) |
BitDefender | Trojan.GenericKD.42043462 |
K7GW | Riskware ( 0040eff71 ) |
K7AntiVirus | Riskware ( 0040eff71 ) |
BitDefenderTheta | Gen:NN.ZexaF.32515.Av0@aqRyK4ji |
Symantec | Downloader |
TrendMicro-HouseCall | Ransom_Shade.R004C0WKN19 |
Avast | Win32:Trojan-gen |
GData | Trojan.GenericKD.42043462 |
Kaspersky | Trojan-Ransom.Win32.Shade.qji |
Rising | Trojan.Generic@ML.91 (RDMK:5yaTH2P+g6mTgocX8vX4rw) |
Endgame | malicious (high confidence) |
DrWeb | Trojan.Encoder.858 |
Zillya | Trojan.Kryptik.Win32.1858006 |
Invincea | heuristic |
McAfee-GW-Edition | BehavesLike.Win32.AdwareLoadMoney.tc |
Sophos | Mal/Generic-S |
APEX | Malicious |
Cyren | W32/Trojan.KXTX-0919 |
Webroot | W32.Trojan.GenKD |
Arcabit | Trojan.Generic.D2818846 |
ZoneAlarm | Trojan-Ransom.Win32.Shade.qji |
Microsoft | Trojan:Win32/Tiggre!plock |
AhnLab-V3 | Malware/Win32.Generic.C3588920 |
Acronis | suspicious |
VBA32 | BScope.TrojanDownloader.Upatre |
MAX | malware (ai score=100) |
Ad-Aware | Trojan.GenericKD.42043462 |
Cylance | Unsafe |
Panda | Trj/CI.A |
ESET-NOD32 | a variant of Win32/Kryptik.GYRU |
Yandex | Trojan.Shade! |
Ikarus | Trojan-Ransom.Crypter |
MaxSecure | Trojan.Malware.74016454.susgen |
Fortinet | W32/GenKryptik.DYGE!tr.ransom |
AVG | Win32:Trojan-gen |
Paloalto | generic.ml |
Qihoo-360 | Win32/Trojan.Ransom.96d |
How to remove Win32/Kryptik.GYRU virus?
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
The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.
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 install-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.GYRU 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:
If the guide doesn’t help you to remove Win32/Kryptik.GYRU you can always ask me in the comments for getting help.
User Review
( votes)References
- GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
- More information about GridinSoft products: https://gridinsoft.com/comparison