Win32/Kryptik.GFPZ

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

What is Win32/Kryptik.GFPZ infection?

In this short article you will certainly find regarding the definition of Win32/Kryptik.GFPZ as well as its negative effect on your computer system. Such ransomware are a type of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a target.

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Most of the cases, Win32/Kryptik.GFPZ ransomware will certainly instruct its sufferers to launch funds move for the purpose of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s device.

Win32/Kryptik.GFPZ Summary

These modifications 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • 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 installation directory;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Creates a slightly modified 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 target can no longer use the data;
  • Preventing normal accessibility to the victim’s workstation;

Win32/Kryptik.GFPZ

The most regular networks where Win32/Kryptik.GFPZ Trojans are infused 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 customer ending up on a source that organizes a malicious software;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the target’s computer or stop the device from working in a correct fashion – while likewise putting a ransom money note that states the need for the targets to effect the repayment for the purpose of decrypting the records or bring back the file system back to the preliminary problem. In the majority of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has already been damaged.

Win32/Kryptik.GFPZ circulation channels.

In various edges of the globe, Win32/Kryptik.GFPZ expands by jumps as well as bounds. However, the ransom money notes and also tricks of extorting the ransom money quantity may vary depending on particular local (regional) setups. The ransom money notes as well as techniques of extorting the ransom money quantity may vary depending on certain regional (local) settings.

Ransomware injection

As an example:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans commonly wrongfully report having spotted some unlicensed applications enabled on the victim’s gadget. The sharp after that requires the customer to pay the ransom money.

    Faulty declarations about illegal material.

    In countries where software piracy is less prominent, this technique is not as reliable for the cyber scams. Alternatively, the Win32/Kryptik.GFPZ popup alert might incorrectly declare to be deriving from a police institution and also will report having situated child porn or various other prohibited information on the gadget.

    Win32/Kryptik.GFPZ popup alert might wrongly claim to be deriving from a regulation enforcement establishment and also will report having situated kid porn or various other unlawful data on the tool. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 8A683DCF
md5: 2f95dff4157406388d75b61b8dcfef95
name: 2F95DFF4157406388D75B61B8DCFEF95.mlw
sha1: bab1c0d011ab910fa09a5b387960a1415a69d05e
sha256: 7d89d58299fed20291e252e5ee389cb8a1951829f927a3bc1a3b607edad5fc22
sha512: 73eeb50d858e8e9266ebf1c015265a53d2600f99ab90a6e876adf6b07a91c3ba703069ad059cb37c8d7536b3abee6c25603f21b7ac1eb7b6cff293af8e886c4f
ssdeep: 3072:vwhIgUggQUdrI3qcX05Ezhzo+LXXvd3wmHC2NpGwtc7oHZlJPoRfG0WkW2Fjzxdy:hgeRdk7X8UBNiepIKZ/PmfrWUFjzeKm
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GFPZ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053305e1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Banker1.27041
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacTrojan.Ransom.GandCrab.Gen.2
MalwarebytesTrojan.MalPack.GS
ZillyaBackdoor.Mokes.Win32.1170
SangforWin.Packed.Gandcrab-6552923-4
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0052dee81 )
Cybereasonmalicious.415740
CyrenW32/Chapak.OXJE-3801
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GFPZ
APEXMalicious
AvastFileRepMalware
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyTrojan-Ransom.Win32.GandCrypt.vl
BitDefenderTrojan.Ransom.GandCrab.Gen.2
NANO-AntivirusTrojan.Win32.Reconyc.fagrdm
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Kryptik
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
TencentMalware.Win32.Gencirc.10b2a3be
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
SophosMal/Generic-R + Mal/Agent-AUL
ComodoTrojWare.Win32.GandCrab.GF@7m5bnn
BitDefenderThetaGen:NN.ZexaF.34628.puX@aGjkaUni
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
FireEyeGeneric.mg.2f95dff415740638
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
JiangminTrojan.PSW.Coins.f
AviraHEUR/AGEN.1115408
MicrosoftTrojan:Win32/GandCrab.KDS!MTB
AegisLabTrojan.Win32.GandCrypt.j!c
GDataTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.GandCrab
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeePacked-FCX!2F95DFF41574
MAXmalware (ai score=100)
VBA32BScope.Trojan.Chapak
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingRansom.GandCrypt!8.F33E (TFE:dGZlOgUOgUZWyuV+xw)
YandexTrojan.Reconyc!KxFXsgu+5kI
SentinelOneStatic AI – Malicious PE
FortinetW32/GenKryptik.DQHN!tr
AVGFileRepMalware
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.31d

How to remove Win32/Kryptik.GFPZ 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 Win32/Kryptik.GFPZ 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:

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If the guide doesn’t help you to remove Win32/Kryptik.GFPZ you can always ask me in the comments for getting help.

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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.

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