Malware

What is “Win32/Kryptik.GZRD”?

Malware Removal

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

  • Executable code extraction
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Mimics the system’s user agent string for its own requests
  • A process attempted to delay the analysis task.
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Deletes its original binary from disk
  • Attempts to remove evidence of file being downloaded from the Internet
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

How to determine Win32/Kryptik.GZRD?


File Info:

crc32: 0837D654
md5: b14671f180b317cb343f5610aedaff7a
name: 34tzVQdyi.exe
sha1: 71f8e49818752d6a43761ffe65e85beae864e6d2
sha256: 3c468b10c18305976faec6efb16f014ac2786e5e8b57c61a1aaf1ad7d1db5da1
sha512: f7f1b2009f2b1b8f9395d9eadd83f34474264ee38eaf60f1e64b79d36b6490c56acd0bb24d5e27162ce3266a85a602d6fdd88fc9405cec27273a2ac06ba6eb63
ssdeep: 6144:vL2OSoB9qu3HBsJ5Ls8QctfRcgNjt3YAELNxbsDSJ7SKT+IfsZfoX09XRXAO4kV:SOSoB9qGBsJ5VQctfyQtYfnCO28Ux/
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2002
InternalName: Example
FileVersion: 1, 0, 0, 1
CompanyName:
LegalTrademarks:
ProductName: Example Application
ProductVersion: 1, 0, 0, 1
FileDescription: Example MFC Application
OriginalFilename: Example.EXE
Translation: 0x0409 0x04b0

Win32/Kryptik.GZRD also known as:

BkavW32.AIDetectVM.malware1
DrWebTrojan.DownLoader30.53434
MicroWorld-eScanTrojan.Autoruns.GenericKDS.42137763
FireEyeTrojan.Autoruns.GenericKDS.42137763
McAfeeGenericRXJI-HL!B14671F180B3
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Generic.4!c
K7AntiVirusRiskware ( 0040eff71 )
BitDefenderTrojan.Autoruns.GenericKDS.42137763
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.818752
F-ProtW32/Emotet.ADW.gen!Eldorado
SymantecTrojan Horse
APEXMalicious
GDataWin32.Trojan-Spy.Emotet.SLBFMV
KasperskyHEUR:Trojan-Banker.Win32.Emotet.gen
RisingTrojan.Generic@ML.92 (RDML:jbKVdUTAHCFy5gWPLmRAww)
Endgamemalicious (high confidence)
SophosMal/Generic-S
McAfee-GW-EditionBehavesLike.Win32.Dropper.hh
Trapminemalicious.moderate.ml.score
EmsisoftTrojan.Emotet (A)
IkarusTrojan.Win32.Krypt
CyrenW32/Emotet.ADW.gen!Eldorado
WebrootW32.Trojan.Gen
AviraTR/AD.Emotet.olruq
MAXmalware (ai score=88)
MicrosoftTrojan:Win32/Emotet.ARJ!MTB
ArcabitTrojan.Autoruns.GenericS.D282F8A3
ZoneAlarmHEUR:Trojan-Banker.Win32.Emotet.gen
AhnLab-V3Trojan/Win32.Emotet.C3656783
Acronissuspicious
VBA32BScope.TrojanPSW.Spy
Ad-AwareTrojan.Autoruns.GenericKDS.42137763
PandaTrj/GdSda.A
ESET-NOD32a variant of Win32/Kryptik.GZRD
FortinetW32/GenKryptik.EAON!tr
AVGFileRepMalware
Paloaltogeneric.ml

How to remove Win32/Kryptik.GZRD?

Win32/Kryptik.GZRD 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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