Win32/Kryptik.GTBW

What is Win32/Kryptik.GTBW infection?

In this post you will discover concerning the interpretation of Win32/Kryptik.GTBW and also its negative influence on your computer system. Such ransomware are a kind of malware that is clarified by on the internet frauds to require paying the ransom by a victim.

In the majority of the situations, Win32/Kryptik.GTBW virus will instruct its victims to initiate funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the sufferer’s tool.

Win32/Kryptik.GTBW Summary

These adjustments 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.;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • 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!
  • Steals private information from local Internet browsers;
  • Collects information about installed applications;
  • Checks the CPU name from registry, possibly for anti-virtualization;
  • Harvests credentials from local FTP client softwares;
  • Harvests information related to installed instant messenger clients;
  • Harvests information related to installed mail clients;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Ciphering the documents located on the sufferer’s hard disk drive — so the sufferer can no more use the data;
  • Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
prohomedevelopers.com Ransom:Win32/GandCrab.6329ca5f
ip-api.com Ransom:Win32/GandCrab.6329ca5f

Win32/Kryptik.GTBW

The most normal networks whereby Win32/Kryptik.GTBW Ransomware Trojans are infused are:

  • By means of phishing e-mails;
  • As a repercussion of customer ending up on a source that hosts a malicious software program;

As soon as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or protect against the device from operating in an appropriate fashion – while likewise placing a ransom money note that points out the need for the sufferers to impact the payment for the objective of decrypting the records or bring back the documents system back to the first problem. In many circumstances, the ransom money note will turn up when the client restarts the COMPUTER after the system has currently been harmed.

Win32/Kryptik.GTBW circulation networks.

In numerous corners of the world, Win32/Kryptik.GTBW expands by leaps and bounds. Nonetheless, the ransom money notes and techniques of extorting the ransom money amount may vary depending on specific neighborhood (local) setups. The ransom notes and techniques of extorting the ransom money quantity may differ depending on particular local (local) setups.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually discovered some unlicensed applications allowed on the victim’s tool. The sharp after that demands the user to pay the ransom.

    Faulty statements about illegal material.

    In countries where software piracy is much less popular, this approach is not as efficient for the cyber fraudulences. Conversely, the Win32/Kryptik.GTBW popup alert may incorrectly claim to be originating from a police institution and will report having located child pornography or other prohibited information on the gadget.

    Win32/Kryptik.GTBW popup alert may falsely assert to be obtaining from a law enforcement establishment and also will report having situated child porn or other unlawful data on the device. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 6A03C9D1md5: 91cb55602ee67b9231a18790bc89376ename: 91CB55602EE67B9231A18790BC89376E.mlwsha1: fd9bfa22b478a261ec8771828a67f3db9a64e66dsha256: 74fec34d7fc8b50b4eaec634d29c1af518ce95012f42f011e86ae72ffde31739sha512: 72d6dbf6c4b72754bf29756bae48d365df3bacc34a325daa6461bffa86eb0ba3f523e145b39efe026f7a57fcf6af8e6dbb8d772868da4e72d7c5a245843e0da0ssdeep: 24576:CvyaOgBEAWKkjWYhO0VAApuoxt5cWxcNQX:uRWKkqD0VjvBcWeQXtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GTBW also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0054e2de1 )
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen2.12561
Cynet Malicious (score: 100)
ALYac Trojan.Brsecmon.1
Cylance Unsafe
Zillya Trojan.Kryptik.Win32.1787458
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/GandCrab.6329ca5f
K7GW Trojan ( 0054e2de1 )
Cybereason malicious.02ee67
Cyren W32/Chapak.G.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GTBW
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
NANO-Antivirus Trojan.Win32.Kryptik.gcvuod
MicroWorld-eScan Trojan.Brsecmon.1
Tencent Win32.Trojan.Generic.Htlz
Ad-Aware Trojan.Brsecmon.1
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34690.7yW@aGB6n@i
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition Sodinokibi!91CB55602EE6
FireEye Generic.mg.91cb55602ee67b92
Emsisoft Trojan.Brsecmon.1 (B)
Avira HEUR/AGEN.1102735
Microsoft Ransom:Win32/GandCrab.AD!MTB
GData Trojan.Brsecmon.1
AhnLab-V3 Trojan/Win32.Agent.C3267759
Acronis suspicious
McAfee Sodinokibi!91CB55602EE6
MAX malware (ai score=82)
VBA32 Trojan.Zonidel
Malwarebytes Trojan.MalPack.GS.Generic
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Ransom.GandCrab!8.F355 (CLOUD)
Yandex Trojan.Agent!M+ZmSLZQe7M
Ikarus Trojan-Banker.IcedID
MaxSecure Ransomeware.CRAB.gen
Fortinet W32/Kryptik.GTHD!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GTBW virus?

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

Run the setup file.

Run Setup.exe
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 Scanning

Click on “Clean Now”.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

Full version of GridinSoft

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

References

    About the author

    Robert Bailey

    Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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