Malware

Win32/Kryptik.FYJZ information

Malware Removal

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

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • NtSetInformationThread: attempt to hide thread from debugger
  • Dynamic (imported) function loading detected
  • A named pipe was used for inter-process communication
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • Enumerates running processes
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • A potential decoy document was displayed to the user
  • Created a process from a suspicious location
  • Collects and encrypts information about the computer likely to send to C2 server
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering

How to determine Win32/Kryptik.FYJZ?


File Info:

name: 70D03E34CADB0F1E1BC6.mlw
path: /opt/CAPEv2/storage/binaries/788f7fd06030f87d411c61efbc52a3efca03359570353da209b2ce4ccf5b4b70
crc32: C099F7FA
md5: 70d03e34cadb0f1e1bc6f4bf8486e4e8
sha1: 2872e1f3f40c142135f1e8545d02c941c3c17fd3
sha256: 788f7fd06030f87d411c61efbc52a3efca03359570353da209b2ce4ccf5b4b70
sha512: 31d52ddd75f9324580f7527807a9fe91fd4f50c899eac6691d10371cbbf139b8c9abda1af7f9df3836a41d151b3dd5d6a9e227238f38617daf7445e5b402e253
ssdeep: 49152:9MC6LSgno9r5794+6Kuw6b2FGXYcRv7zEx9KSp5TY0dVj:9MC6LXnkr59L68m2IX797y9VpNYk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T146A5F1D3F882C1D5E82F12F688391DB116227DAB62AA5DAC35C9371B19770F74933A07
sha3_384: edf14c1b07d0addbd05005058544a8dd1c7f2ab1b6eaff45b759b7714b1d038e48e72e6054a391852738ee9a7a901297
ep_bytes: e886630000e978feffff8bff558bec56
timestamp: 2015-11-18 09:15:19

Version Info:

0: [No Data]

Win32/Kryptik.FYJZ also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.45818216
FireEyeGeneric.mg.70d03e34cadb0f1e
McAfeeGeneric Trojan.em
CylanceUnsafe
VIPRETrojan.GenericKD.45818216
SangforBackdoor.Win32.Molerats.ulxpg
K7AntiVirusRiskware ( 0040eff71 )
AlibabaTrojanDownloader:Win32/Downeks.80507449
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.4cadb0
CyrenW32/Threat-SysVenFak-based!Maxi
SymantecSecurityRisk.gen1
ESET-NOD32a variant of Win32/Kryptik.FYJZ
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Malware.Agen-9781597-0
KasperskyTrojan-Downloader.Win32.Downeks.av
BitDefenderTrojan.GenericKD.45818216
NANO-AntivirusTrojan.Win32.Downeks.engpgq
AvastWin32:Malware-gen
TencentWin32.Trojan-downloader.Downeks.Ahoi
Ad-AwareTrojan.GenericKD.45818216
SophosGeneric ML PUA (PUA)
ComodoMalware@#go42dmerm162
DrWebTrojan.MulDrop7.46568
ZillyaDownloader.Downeks.Win32.5
TrendMicroTROJ_GEN.R002C0DFM22
McAfee-GW-EditionGeneric Trojan.em
EmsisoftTrojan.GenericKD.45818216 (B)
SentinelOneStatic AI – Malicious SFX
AviraTR/Crypt.FKM.Gen
MAXmalware (ai score=100)
KingsoftWin32.Heur.KVMH008.a.(kcloud)
MicrosoftTrojan:MSIL/Bladabindi.SWERRER!MTB
GDataTrojan.GenericKD.45818216
CynetMalicious (score: 99)
AhnLab-V3Dropper/Win32.Agent.C2233983
VBA32TrojanDownloader.Downeks
ALYacTrojan.GenericKD.45818216
MalwarebytesMalware.AI.4244484229
TrendMicro-HouseCallTROJ_GEN.R002C0DFM22
RisingPUF.Pack-Enigma!1.BA33 (CLASSIC)
YandexTrojan.FKM!O2i43rIrRJ4
IkarusTrojan.Win32.Crypt
MaxSecureTrojan.Malware.10792302.susgen
FortinetW32/Downeks.AV!tr.dldr
BitDefenderThetaAI:Packer.50F0988B1D
AVGWin32:Malware-gen
PandaTrj/CI.A
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32/Kryptik.FYJZ?

Win32/Kryptik.FYJZ removal tool
  • 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.

About the author

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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