Win32/Kryptik. Ghdd

Win32/Kryptik. Ghdd

What is Win32/Kryptik.GHDD infection?

In this post you will locate about the definition of Win32/Kryptik.GHDD as well as its adverse influence on your computer system. Such ransomware are a form of malware that is elaborated by on-line fraudulences to require paying the ransom by a target.

Most of the situations, Win32/Kryptik.GHDD virus will advise its targets to launch funds transfer for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

Win32/Kryptik.GHDD 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.
  • A process attempted to delay the analysis task.;
  • 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.

  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • 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
  • 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 files located on the sufferer’s hard disk — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;
z.whorecord.xyzTrojan.Ransom.GandCrab.Gen.2
a.tomx.xyzTrojan.Ransom.GandCrab.Gen.2
ipv4bot.whatismyipaddress.comTrojan.Ransom.GandCrab.Gen.2
ns1.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
carder.bitTrojan.Ransom.GandCrab.Gen.2
ns2.wowservers.ruTrojan.Ransom.GandCrab.Gen.2
ransomware.bitTrojan.Ransom.GandCrab.Gen.2

Win32/Kryptik.GHDD

The most normal channels where Win32/Kryptik.GHDD are injected are:

  • By ways of phishing emails;
  • As an effect of customer winding up on a resource that holds a harmful software program;

As quickly as the Trojan is effectively infused, it will certainly either cipher the data on the target’s computer or avoid the device from functioning in a proper way – while additionally putting a ransom money note that points out the requirement for the targets to impact the payment for the objective of decrypting the files or bring back the documents system back to the preliminary condition. In the majority of instances, the ransom note will turn up when the customer restarts the PC after the system has actually already been harmed.

Win32/Kryptik.GHDD circulation channels.

In various corners of the globe, Win32/Kryptik.GHDD grows by jumps and also bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom money amount might differ relying on certain regional (regional) setups. The ransom notes as well as tricks of obtaining the ransom quantity might vary depending on specific neighborhood (regional) setups.

For example:

    Faulty signals concerning unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having actually detected some unlicensed applications made it possible for on the victim’s device. The sharp after that demands the user to pay the ransom money.

    Faulty statements about illegal material.

    In nations where software application piracy is much less prominent, this approach is not as efficient for the cyber fraudulences. Additionally, the Win32/Kryptik.GHDD popup alert may incorrectly assert to be stemming from a law enforcement establishment and also will report having situated youngster pornography or various other unlawful data on the tool.

    Win32/Kryptik.GHDD popup alert might falsely claim to be acquiring from a regulation enforcement institution and will certainly report having situated youngster porn or other illegal information on the gadget. The alert will likewise include a demand for the individual to pay the ransom.

Technical details

File Info:

crc32: 220602E2md5: 1ab3bb59b79b71fd851277575c0caef2name: 1AB3BB59B79B71FD851277575C0CAEF2.mlwsha1: ea781a36f44f9275f8bc9dd55bc59b08ca4dcba6sha256: 4ddcdd2a37b74e8959af0beb1719ab63e6e0a0cfcb3737f31bb69c7ed9899167sha512: 954f8edfd1f188b8180b2e0405e37b4202bc194f03b30487f680fe62a3c6a71edfba8b8b8d6841a29c0c236b6ffb684c7d7df0bb97ba6864768c71d0b977dcb6ssdeep: 3072:dKcrg9AOzeZwmwjBNFpWzGJXMtSWmhAnLUH0fWorPM8IAZKUOzPITOU4BQQAV:A6qz7mIEmiSxhmLhLw8IPUOzATOV+rtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0808 0x04b0

Win32/Kryptik.GHDD also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.GandCrab.Gen.2
FireEyeGeneric.mg.1ab3bb59b79b71fd
CAT-QuickHealTrojan.Mauvaise.SL1
ALYacTrojan.Ransom.GandCrab.Gen.2
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforWin.Packed.Gandcrab-6552923-4
K7AntiVirusTrojan ( 0053305e1 )
BitDefenderTrojan.Ransom.GandCrab.Gen.2
K7GWTrojan ( 00532d5f1 )
Cybereasonmalicious.9b79b7
CyrenW32/S-06a2b15e!Eldorado
SymantecPacked.Generic.525
APEXMalicious
AvastWin32:RansomX-gen [Ransom]
ClamAVWin.Packed.Gandcrab-6552923-4
KasperskyHEUR:Trojan.Win32.Generic
NANO-AntivirusTrojan.Win32.GandCrypt.fcuhbz
ViRobotTrojan.Win32.GandCrab.Gen.A
AegisLabTrojan.Win32.GandCrypt.j!c
Ad-AwareTrojan.Ransom.GandCrab.Gen.2
TACHYONRansom/W32.GandCrab
EmsisoftTrojan.Ransom.GandCrab.Gen.2 (B)
ComodoTrojWare.Win32.Fuerboos.DG@7o67qa
MaxSecureRansomeware.CRAB.gen
DrWebTrojan.Encoder.24384
ZillyaTrojan.GandCrypt.Win32.367
TrendMicroRansom.Win32.GANDCRAB.SMLA.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.dc
SophosMal/Generic-R + Troj/GandCrab-J
JiangminTrojan.GandCrypt.dl
AviraHEUR/AGEN.1121545
Antiy-AVLTrojan[Ransom]/Win32.GandCrypt
ArcabitTrojan.Ransom.GandCrab.Gen.2
SUPERAntiSpyware
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.GandCrab.Gen.2
CynetMalicious ()
AhnLab-V3Win-Trojan/Gandcrab.Exp
Acronissuspicious
McAfeeGenericRXFP-EC!1AB3BB59B79B
MAXmalware (ai score=99)
VBA32BScope.TrojanDownloader.Upatre
MalwarebytesTrojan.MalPack.GS
PandaTrj/Genetic.gen
ZonerTrojan.Win32.68971
ESET-NOD32a variant of Win32/Kryptik.GHDD
TrendMicro-HouseCallRansom.Win32.GANDCRAB.SMLA.hp
RisingTrojan.Kryptik!1.B3A9 (RDMK:cmRtazo7aPJvWmVb6xK68ZZ3iWtp)
YandexTrojan.GenAsa!Xg2/G8wj6Mw
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_91%
FortinetW32/GenKryptik.CNAR!tr
BitDefenderThetaGen:NN.ZexaF.34590.puX@aC6dWVpO
AVGWin32:RansomX-gen [Ransom]
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (D)
Qihoo-360Win32/Trojan.Ransom.ca1
Marcus Vance
Author

Marcus Vance

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.