Win32/Kryptik. Gibf

Win32/Kryptik. Gibf

What is Win32/Kryptik.GIBF infection?

In this short article you will certainly find about the interpretation of Win32/Kryptik.GIBF as well as its adverse effect on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom money by a target.

Most of the instances, Win32/Kryptik.GIBF ransomware will advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has actually presented to the sufferer’s device.

Win32/Kryptik.GIBF 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.
  • A process attempted to delay the analysis task.;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Unconventionial language used in binary resources: Danish;
  • Detects the presence of Wine emulator via function name;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • 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
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s hard disk drive — so the target can no more utilize 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.GIBF

One of the most regular networks whereby Win32/Kryptik.GIBF Trojans are infused are:

  • By means of phishing emails;
  • As an effect of individual ending up on a resource that hosts a destructive software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the target’s computer or prevent the tool from working in a correct way – while also positioning a ransom money note that discusses the requirement for the victims to impact the settlement for the objective of decrypting the records or recovering the file system back to the initial problem. In a lot of instances, the ransom money note will certainly show up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/Kryptik.GIBF circulation channels.

In different edges of the world, Win32/Kryptik.GIBF grows by jumps and also bounds. Nevertheless, the ransom money notes and tricks of extorting the ransom amount may vary relying on particular local (regional) setups. The ransom money notes and also techniques of extorting the ransom money quantity may differ depending on specific regional (regional) setups.

For instance:

    Faulty alerts concerning unlicensed software.

    In certain locations, the Trojans frequently wrongfully report having actually spotted some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the customer to pay the ransom.

    Faulty declarations regarding unlawful web content.

    In nations where software program piracy is less preferred, this approach is not as effective for the cyber scams. Additionally, the Win32/Kryptik.GIBF popup alert might incorrectly claim to be deriving from a law enforcement institution and will report having located kid porn or other prohibited information on the gadget.

    Win32/Kryptik.GIBF popup alert might wrongly declare to be obtaining from a regulation enforcement establishment and also will report having situated kid pornography or other illegal information on the device. The alert will in a similar way include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: E7ECE82Bmd5: ff56299f2d6d0164e1c7963f83b607eename: FF56299F2D6D0164E1C7963F83B607EE.mlwsha1: 8e6bfc2d06597795a442f080972f6fae25eecf71sha256: 5715b51415ce8717407ab4e60465a7293a8ce1e72ff64128a70759e83710cad8sha512: 64848a79c8a35c0e3033061f7eed699c043a9353667d358b42003ac53a16aecfa3cda8a135b6c1372447263fbab08c3c82e663231f6f29c2988843d6d64a484dssdeep: 3072:TlHij+loa15SaGg25m8usBDuEtQy0o4+JUCXvfDiw9rEdTXpbCmGXF+5Dm9WuHN:TlHijuoa1MduiRNu83D79rEhZTtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GIBF also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0053a0b31 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious ()
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacTrojan.BRMon.Gen.4
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_80% (D)
K7GWTrojan ( 0053a0b31 )
Cybereasonmalicious.f2d6d0
CyrenW32/S-cd675fa9!Eldorado
ESET-NOD32a variant of Win32/Kryptik.GIBF
APEXMalicious
AvastWin32:BotX-gen [Trj]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.BRMon.Gen.4
NANO-AntivirusTrojan.Win32.GenKryptik.feiuhf
MicroWorld-eScanTrojan.BRMon.Gen.4
Ad-AwareTrojan.BRMon.Gen.4
SophosML/PE-A + Mal/GandCrab-C
ComodoTrojWare.Win32.Chapak.GI@7q43kg
BitDefenderThetaGen:NN.ZexaF.34628.muW@a4XTSshG
VIPRETrojan.Win32.Generic!BT
TrendMicroMal_HPGen-37b
McAfee-GW-EditionBehavesLike.Win32.PUPXBV.dh
FireEyeGeneric.mg.ff56299f2d6d0164
EmsisoftTrojan.BRMon.Gen.4 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Banker.NeutrinoPOS.ek
AviraHEUR/AGEN.1106540
eGambitUnsafe.AI_Score_99%
MicrosoftTrojan:Win32/Predator.PVD!MTB
ArcabitTrojan.BRMon.Gen.4
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.GandCrab.N
AhnLab-V3Win-Trojan/MalPe26.Suspicious.X2012
Acronissuspicious
McAfeeGenericRXGG-UT!FF56299F2D6D
MAXmalware (ai score=83)
VBA32BScope.Trojan.AntiAV
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallMal_HPGen-37b
RisingTrojan.Generic!8.C3 (C64:YzY0OrbLG6WOVn7n)
YandexTrojan.GenAsa!In1rvB0gxqI
IkarusTrojan-Ransom.GandCrab
MaxSecureRansomeware.CRAB.gen
FortinetW32/GenKryptik.CNAR!tr
AVGWin32:BotX-gen [Trj]
Qihoo-360HEUR/QVM10.1.FFCE.Malware.Gen
Alexander Ross
Author

Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.