Categories: Malware

Win32/Kryptik.FKGX removal tips

The Win32/Kryptik.FKGX 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.FKGX virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • A ping command was executed with the -n argument possibly to delay analysis
  • Uses Windows utilities for basic functionality
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • The sample wrote data to the system hosts file.
  • Anomalous binary characteristics

How to determine Win32/Kryptik.FKGX?


File Info:

name: E4263FA44E91CF87EE63.mlwpath: /opt/CAPEv2/storage/binaries/c2975c63ab1c68bf1f3de2bc8416974a97a697b07eb5c1a4bf88a0e9f1e33100crc32: 9795DFBFmd5: e4263fa44e91cf87ee636d03b483f7f6sha1: 4baee240d5cc732426364a75a37dd46df36ec690sha256: c2975c63ab1c68bf1f3de2bc8416974a97a697b07eb5c1a4bf88a0e9f1e33100sha512: a523ecefb81f75b4b5b07648f350823d40e09b043ac825eee5b37c179fbcae82849a84527e8e2ec6589265b2ef6ee0f86ab2cb28f1f87bfb044c5a5332e2625bssdeep: 3072:mVnd9jp4tOt5dIL4y5uek9SnsvHeL88tAAbJLn2pHqPxp8jfQqF49tHG94oj:Cnd9atA8Uif7bVLeqafz49tGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T14624CF5ACBB52F6DE594D2B804CD267FDE360EC63742010385B8889BDF362DE9176B02sha3_384: 8e6f3103971ca3ffb645d81798444e0a4bfc4e83da8ef3a9ba152700ce6a36d2bf207b5d73da23f6dc12ade487f39109ep_bytes: 558bec6aff685021430068a8fd420064timestamp: 2016-11-22 23:08:12

Version Info:

CompanyName: Borland Software CorporationFileDescription: Borland Remote Debugging ServerFileVersion: 70.08.08.1442InternalName: BORDBG61LegalCopyright: Copyright © Borland Software Corporation 1990, 2001OriginalFilename: bordbg61.exeProductVersion: 51.00ProductName: Borland Remote Debugging ServerTranslation: 0x0409 0x04e4

Win32/Kryptik.FKGX also known as:

Bkav W32.AIDetect.malware1
Lionic Riskware.Win32.Generic.1!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.e4263fa44e91cf87
McAfee Artemis!E4263FA44E91
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Trojan.Win32.Heur2.LPTou0@bmkd3fhib
K7AntiVirus Trojan ( 004febab1 )
Alibaba Trojan:Win32/Kryptik.f1e9d32a
K7GW Trojan ( 004febab1 )
CrowdStrike win/malicious_confidence_60% (W)
Baidu Win32.Trojan.Kryptik.bli
Symantec Downloader
ESET-NOD32 a variant of Win32/Kryptik.FKGX
APEX Malicious
Paloalto generic.ml
Kaspersky not-a-virus:HEUR:WebToolbar.Win32.Generic
BitDefender Gen:Trojan.Heur3.LPT.ou0@amkd3fhib
NANO-Antivirus Riskware.Win32.Hosts.fakpap
MicroWorld-eScan Gen:Trojan.Heur3.LPT.ou0@amkd3fhib
Avast Win32:Malware-gen
Tencent Win32.Trojan.Zusy.Ahny
Ad-Aware Gen:Trojan.Heur3.LPT.ou0@amkd3fhib
Emsisoft Gen:Trojan.Heur3.LPT.ou0@amkd3fhib (B)
Comodo Malware@#r229vxd1o02x
DrWeb Trojan.Hosts.40432
TrendMicro TROJ_GEN.R002C0DH321
Sophos Generic PUA EL (PUA)
SentinelOne Static AI – Malicious PE
GData Gen:Trojan.Heur3.LPT.ou0@amkd3fhib
Webroot W32.Adware.Gen
Avira TR/ICLoader.Gen8
Antiy-AVL Trojan/Generic.ASMalwS.25CCD41
Microsoft Trojan:Win32/Ekstak
AhnLab-V3 Unwanted/Win32.Miner.R345578
Acronis suspicious
BitDefenderTheta AI:Packer.75A6CA3121
ALYac Gen:Trojan.Heur3.LPT.ou0@amkd3fhib
MAX malware (ai score=98)
VBA32 TScope.Malware-Cryptor.SB
TrendMicro-HouseCall TROJ_GEN.R002C0DH321
Rising Trojan.Kryptik!1.A2E7 (CLASSIC)
Yandex Trojan.GenAsa!eL5jZ9szg0Q
Ikarus Trojan.Win32.Crypt
Fortinet W32/Kryptik.FKCZ!tr
AVG Win32:Malware-gen
Panda Trj/CI.A

How to remove Win32/Kryptik.FKGX?

  • 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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