Categories: Malware

Should I remove “Win32/Kryptik.GKDT”?

The Win32/Kryptik.GKDT is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Win32/Kryptik.GKDT virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Sorbian
  • Uses Windows utilities for basic functionality
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates a copy of itself

Related domains:

big.surfeth.com
redirector.gvt1.com
r3—sn-4g5ednsd.gvt1.com

How to determine Win32/Kryptik.GKDT?


File Info:

crc32: 018B7DFEmd5: cb7333a2785617e178c11c802ad9c561name: CB7333A2785617E178C11C802AD9C561.mlwsha1: 39567f4441268da9b17975d1f1dd2a1dac848260sha256: 4fe8b0060f7aec8a2e2461cd4aa47192a9a4c01be9a5e67db6107a48f0eb3e28sha512: b144d6eaafdada3ea787bffa6d069e4d746d6e9b8ce63deaf30998dd5302a5ee535ca778f8b0e5bb5c277da0a8c91c874f29c7c5ab46c66ab72acfca89371244ssdeep: 3072:7QzJUam3dsqtopnoS+nlibig4yFDFTADIayHl4BAx:7QzJZm5qpvSPcD2FyF4Otype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: tgabhryj.exeProductVersion: 1.0.0.11

Win32/Kryptik.GKDT also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKDZ.46912
FireEye Generic.mg.cb7333a2785617e1
McAfee Trojan-FQPW!CB7333A27856
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0053d5971 )
BitDefender Trojan.GenericKDZ.46912
K7GW Trojan ( 0053d5971 )
CrowdStrike win/malicious_confidence_80% (D)
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Malware.Generic-6666640-0
Kaspersky Trojan.Win32.Gozi.kq
Alibaba Trojan:Win32/GandCrab.4f9d6477
NANO-Antivirus Trojan.Win32.Gozi.fhqaro
AegisLab Trojan.Win32.Generic.4!c
Rising Ransom.Genasom!8.293 (C64:YzY0OoumxbgzQgw3)
Ad-Aware Trojan.GenericKDZ.46912
Emsisoft Trojan.Agent (A)
Comodo TrojWare.Win32.Ransom.GandCrab.GD@800qia
DrWeb Trojan.Encoder.24384
Zillya Trojan.GenericKD.Win32.176719
TrendMicro Ransom.Win32.GANDCRAB.SMJC.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
Sophos Mal/Generic-S + Mal/GandCrab-B
SentinelOne Static AI – Suspicious PE
GData Win32.Trojan-Ransom.GandCrab.G
Jiangmin Trojan.GandCrypt.kg
eGambit Unsafe.AI_Score_99%
Avira TR/Crypt.Agent.lvnfb
Antiy-AVL Trojan/Win32.Fuerboos
Arcabit Trojan.Generic.DB740
SUPERAntiSpyware Ransom.GandCrab/Variant
ZoneAlarm Trojan.Win32.Gozi.kq
Microsoft Ransom:Win32/GandCrab.AV
Cynet Malicious (score: 100)
Acronis suspicious
BitDefenderTheta Gen:NN.ZexaF.34590.ky0@aWuOi!fG
ALYac Trojan.GenericKDZ.46912
MAX malware (ai score=100)
VBA32 BScope.Trojan.CryptInject
Malwarebytes Trojan.MalPack
Panda Generic Malware
ESET-NOD32 a variant of Win32/Kryptik.GKDT
TrendMicro-HouseCall Ransom.Win32.GANDCRAB.SMJC.hp
Tencent Win32.Trojan.Gozi.Taet
Yandex Trojan.GenAsa!LXKfu+BwDPY
Ikarus Trojan.Win32.Danabot
Fortinet W32/Kryptik.CNB!tr
AVG Win32:TrojanX-gen [Trj]
Cybereason malicious.278561
Paloalto generic.ml
Qihoo-360 Win32/Ransom.GandCrab.HgIASOUA

How to remove Win32/Kryptik.GKDT?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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