Malware

Win32/Kryptik.GMGF (file analysis)

Malware Removal

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

  • Executable code extraction
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Unconventionial language used in binary resources: Kazak
  • The binary likely contains encrypted or compressed data.
  • Detects the presence of Wine emulator via function name
  • Detects Sandboxie through the presence of a library
  • Detects SunBelt Sandbox through the presence of a library
  • 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 hidden or system file
  • Anomalous binary characteristics

How to determine Win32/Kryptik.GMGF?


File Info:

crc32: 3CE79D69
md5: 79ed1a6272fab403a1a74ce5cf355d98
name: 79ED1A6272FAB403A1A74CE5CF355D98.mlw
sha1: 8c5f27a37424e07dd789d76e1eb57a4b434bbcfb
sha256: f66af0a53b5bcbab571cbcdbc19d852c3cd6d37a12ca7477bf27b0b4a4561541
sha512: db23aaa5eccb50539cd0cf9a933cecc114ba1a48dd8362d87b14958f46adf0300939a360a37509f5c622a1260601eaed1644fcbe09ea9a9f4a2b8ae289130112
ssdeep: 6144:JSEFjLBwpBtNXkDnc/qJuJlzDi7L97euBdWPZt0A6yE/p:IOj1ADxkDnc/qJuJlzDi7L97eu7Cty/p
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GMGF also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.Siggen7.59234
CynetMalicious (score: 100)
ALYacTrojan.Brsecmon.1
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.40846
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.272fab
ESET-NOD32a variant of Win32/Kryptik.GMGF
APEXMalicious
AvastWin32:Dropper-gen [Drp]
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Brsecmon.1
NANO-AntivirusTrojan.Win32.Kryptik.fjujgy
ViRobotTrojan.Win32.GandCrab.241664
MicroWorld-eScanTrojan.Brsecmon.1
TencentMalware.Win32.Gencirc.10ccb97a
Ad-AwareTrojan.Brsecmon.1
SophosML/PE-A + Mal/Wintrim-A
ComodoTrojWare.Win32.PSW.Coins.AB@7x7ynm
F-SecureTrojan.TR/Dropper.Gen8
BitDefenderThetaGen:NN.ZexaF.34628.ouW@aanUiRMO
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.dh
FireEyeGeneric.mg.79ed1a6272fab403
EmsisoftTrojan.Brsecmon.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Agentb.drs
AviraTR/Dropper.Gen8
eGambitUnsafe.AI_Score_84%
MicrosoftTrojan:Win32/Gandcrab.AF
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Brsecmon.1
AhnLab-V3Trojan/Win32.Gandcrab.C2798958
McAfeeTrojan-FPST!79ED1A6272FA
MAXmalware (ai score=80)
VBA32BScope.Trojan.Vigorf
PandaTrj/GdSda.A
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingMalware.Obscure/Heur!1.9E03 (RDMK:cmRtazq8WYT8FArsbm8q4ZCftfpi)
YandexTrojan.GenAsa!1WG/IyIR3hw
FortinetW32/GenKryptik.CPYR!tr
AVGWin32:Dropper-gen [Drp]
Qihoo-360HEUR/QVM10.1.1082.Malware.Gen

How to remove Win32/Kryptik.GMGF?

Win32/Kryptik.GMGF 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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