Win32/Kryptik.GGFM

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

What is Win32/Kryptik.GGFM infection?

In this post you will discover about the meaning of Win32/Kryptik.GGFM and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a victim.

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Most of the cases, Win32/Kryptik.GGFM virus will advise its targets to launch funds move for the function of neutralizing the modifications that the Trojan infection has actually presented to the victim’s tool.

Win32/Kryptik.GGFM 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.
  • 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
  • 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.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents situated on the target’s hard disk drive — so the target can no more use the data;
  • Preventing routine accessibility 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.GGFM

The most normal networks where Win32/Kryptik.GGFM Ransomware Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a resource that hosts a harmful software;

As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the sufferer’s PC or prevent the gadget from working in a proper way – while additionally placing a ransom note that discusses the need for the sufferers to effect the payment for the objective of decrypting the files or bring back the documents system back to the first condition. In many instances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has currently been damaged.

Win32/Kryptik.GGFM circulation channels.

In numerous edges of the world, Win32/Kryptik.GGFM expands by jumps as well as bounds. However, the ransom notes as well as methods of extorting the ransom amount may differ depending upon specific regional (local) settings. The ransom notes as well as tricks of extorting the ransom money quantity might vary depending on certain local (local) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In specific locations, the Trojans typically wrongfully report having identified some unlicensed applications enabled on the sufferer’s tool. The alert after that requires the customer to pay the ransom money.

    Faulty statements regarding illegal content.

    In nations where software piracy is less preferred, this approach is not as effective for the cyber fraudulences. Alternatively, the Win32/Kryptik.GGFM popup alert might wrongly declare to be originating from a police establishment as well as will certainly report having situated child porn or other unlawful information on the device.

    Win32/Kryptik.GGFM popup alert might incorrectly claim to be acquiring from a legislation enforcement institution and also will certainly report having located child porn or various other illegal data on the gadget. The alert will likewise contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 3C7CFE44
md5: 56abe2d8a26e3824ea1de70f882daab3
name: 56ABE2D8A26E3824EA1DE70F882DAAB3.mlw
sha1: 77ee1c9407dc9480c71265fca6186e66f7b12a15
sha256: 4f5f6fdbec9ffaeae019fb350262795f22d0bb87186fa0d4a6cc33fceacedde6
sha512: e5422155c2b4644f29f1952bb968a9c224e49dcf7f94bee53cb873a14f4a7a88b0bdd53411522968a2fad78cb4ed36398a00c6d269a4b83325f66fbf533dc8d2
ssdeep: 3072:YZyV8Ygz5RAZ9yISPAGMSiNSizEFH/hy1S8MXK4LQguEal5cvWUu7IUBmUV4evmk:YZyV8Jyy7a7b1S8MBLtxsY3GxBBmK5
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017, enfnaxfun
InternalName: toalatspring.exe
FileVersion: 5.1
ProductVersion: 5.1.111.0
Translation: 0x0789 0x04b1

Win32/Kryptik.GGFM also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.56abe2d8a26e3824
CAT-QuickHealTrojan.Cloxer.A06
ALYacTrojan.Ransom.GandCrab.Gen.2
MalwarebytesTrojan.MalPack
K7AntiVirusTrojan ( 003e58dd1 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 0056ea8e1 )
Cybereasonmalicious.8a26e3
CyrenW32/S-9659e02a!Eldorado
SymantecDownloader
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Dropper.Gandcrab-6535271-0
NANO-AntivirusExploit.Win32.CVE20167255.fayoxs
ViRobotTrojan.Win32.GandCrab.Gen.A
SUPERAntiSpywareTrojan.Agent/Gen-Malagent
TencentMalware.Win32.Gencirc.10ce0723
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.GandCrab.245257
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
ComodoTrojWare.Win32.Magniber.GH@7mr2pk
DrWebTrojan.Siggen7.52596
ZillyaExploit.CVE.Win32.2116
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
SophosMal/Generic-S + Mal/GandCrab-D
JiangminExploit.CVE-2016-7255.f
MaxSecureRansomeware.CRAB.gen
AviraHEUR/AGEN.1102756
Antiy-AVLTrojan/Win32.TSGeneric
ArcabitTrojan.Ransom.GandCrab.Gen.2
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Chapak.gen
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
BitDefenderThetaGen:NN.ZexaF.34590.ou1@aOtMKqji
MAXmalware (ai score=98)
VBA32BScope.Exploit.CVE-2016-7255
ESET-NOD32a variant of Win32/Kryptik.GGFM
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
RisingRansom.GandCrab!8.F355 (RDMK:cmRtazoBWItmYU8+OWPooU/oCdkM)
YandexTrojan.GenAsa!/h4Ahu6nVgU
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_88%
FortinetW32/GenKryptik.DQHN!tr
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Generic.HwoCuaEA

How to remove Win32/Kryptik.GGFM ransomware?

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.GGFM 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.GGFM 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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