Win32/Kryptik.GFBL

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

What is Win32/Kryptik.GFBL infection?

In this post you will discover regarding the definition of Win32/Kryptik.GFBL and its adverse impact on your computer. Such ransomware are a type of malware that is specified by on-line fraudulences to require paying the ransom by a victim.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

Most of the cases, Win32/Kryptik.GFBL ransomware will advise its sufferers to initiate funds move for the function of counteracting the changes that the Trojan infection has introduced to the victim’s gadget.

Win32/Kryptik.GFBL Summary

These alterations can be as adheres to:

  • 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.
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • 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.

  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Creates a copy of itself;
  • Ciphering the documents located on the victim’s hard disk — so the victim can no longer utilize the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/Kryptik.GFBL

One of the most typical channels where Win32/Kryptik.GFBL Ransomware are infused are:

  • By means of phishing emails;
  • As a repercussion of individual winding up on a resource that organizes a malicious software application;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s computer or prevent the tool from functioning in an appropriate way – while likewise putting a ransom money note that discusses the requirement for the sufferers to impact the repayment for the objective of decrypting the files or restoring the documents system back to the first problem. In the majority of circumstances, the ransom money note will certainly show up when the client restarts the PC after the system has actually already been damaged.

Win32/Kryptik.GFBL circulation channels.

In different edges of the world, Win32/Kryptik.GFBL grows by leaps and also bounds. Nevertheless, the ransom notes and techniques of obtaining the ransom amount might differ relying on particular local (local) settings. The ransom money notes and also tricks of extorting the ransom amount may differ depending on specific local (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software program.

    In specific locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty declarations concerning prohibited content.

    In nations where software piracy is less popular, this technique is not as effective for the cyber frauds. Additionally, the Win32/Kryptik.GFBL popup alert might wrongly declare to be stemming from a law enforcement institution as well as will certainly report having situated child porn or various other unlawful data on the gadget.

    Win32/Kryptik.GFBL popup alert may incorrectly declare to be deriving from a law enforcement institution as well as will report having located child porn or other unlawful information on the tool. The alert will similarly have a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 6DB7F559
md5: d3fe74665e0b18c5f3129e7e9f42cdd4
name: D3FE74665E0B18C5F3129E7E9F42CDD4.mlw
sha1: 85b8c84b8d4d1575ac83de45ae85854fa311f1fa
sha256: 91a7c4c37b67894f9a486b501c73b1f600be295126141e87634ab784da4ec466
sha512: 22ac9e84069411355875c402c9898ee7b3003573a80b92c670435f01947eefc430c9d3b42b581f7de94004c0bd38a3e52824c7473c1c2e952ea68ae88e8db9e9
ssdeep: 6144:tByzhC1KiIwBe70iGwPcvbQDeMky/ZN5oLdKJSRoVa9sEv6P8xWmz:tBWhqqGwPcvbZaoWSSVa9sbkz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright(C) 2005-2015
InternalName: StatupInfo
FileVersion: 1.0.3.15
CompanyName: IObit
LegalTrademarks: IObit
Comments:
ProductName: Advanced SystemCare
ProductVersion: 1.0.0.0
FileDescription:
OriginalFilename:
Translation: 0x0409 0x04e4

Win32/Kryptik.GFBL also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
K7AntiVirusTrojan ( 0052707e1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.3953
CynetMalicious (score: 100)
ALYacGen:Variant.Ransom.Crysis.26
CylanceUnsafe
ZillyaTrojan.Crusis.Win32.824
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0052707e1 )
Cybereasonmalicious.65e0b1
CyrenW32/Kryptik.CUI.gen!Eldorado
SymantecPacked.Generic.459
ESET-NOD32a variant of Win32/Kryptik.GFBL
APEXMalicious
AvastWin32:Malware-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.Crysis.26
NANO-AntivirusTrojan.Win32.GenKryptik.exypwh
MicroWorld-eScanGen:Variant.Ransom.Crysis.26
TencentWin32.Trojan.Generic.Wtdu
Ad-AwareGen:Variant.Ransom.Crysis.26
SophosMal/Generic-R + Mal/Cerber-AL
ComodoTrojWare.Win32.Ransom.Crypmod.GK@7lvaxe
BitDefenderThetaGen:NN.ZexaF.34678.Pq0@aOdi0Wnb
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Ransomware.jh
FireEyeGeneric.mg.d3fe74665e0b18c5
EmsisoftGen:Variant.Ransom.Crysis.26 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Crusis.so
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1129194
eGambitUnsafe.AI_Score_98%
MicrosoftRansom:Win32/Wadhrama.A!rsm
ArcabitTrojan.Ransom.Crysis.26
AegisLabTrojan.Win32.Crusis.j!c
GDataGen:Variant.Ransom.Crysis.26
AhnLab-V3HEUR/Malga.D708.X1491
Acronissuspicious
McAfeeGenericRXEB-DA!D3FE74665E0B
MAXmalware (ai score=99)
VBA32BScope.Trojan.Encoder
MalwarebytesMachineLearning/Anomalous.100%
PandaTrj/CI.A
RisingRansom.Locky!1.AE2E (CLOUD)
IkarusTrojan-Ransom.Crusis
FortinetW32/Injector.EETM!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HgIASOcA

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

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

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.

Leave a Reply

Sending