Categories: Malware

What is “Win32/Kryptik.GYRB”?

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

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Attempts to identify installed AV products by registry key

Related domains:

d3vngcy706h320.cloudfront.net
bon.sonjelly.club
d2adi7hu49xk5t.cloudfront.net

How to determine Win32/Kryptik.GYRB?


File Info:

crc32: BBD8DAAAmd5: faed1272b44545c0cf21386edce590baname: setup.exesha1: 15ceafb11d422f01fad5e7b717a423531fccbfd5sha256: 84bb5722d167c3e38aaa54d331706014552ab6c5525a677ca9bfb5c920b6b4d6sha512: 9eb21353d1c651174cf41920dc87cb475d8e14abc48ff4156a3ed17510d847c794f81802b827ea3fa4505b5984e72b6968aa66b0de7d7e5035ab5eefa583e1cessdeep: 24576:NI8J+u8D3c2yjq7Izf3zsXskf8dXNlk4IOt0d3o4BrWnd1SYTadUbSG1swhubMQQ:NIiu3xEjzVmTpoYrmd1Sw1b99hQUbhtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GYRB also known as:

Bkav HW32.Packed.
MicroWorld-eScan Gen:Variant.Midie.70258
FireEye Generic.mg.faed1272b44545c0
CAT-QuickHeal Trojan.SurfSodaInfo.M7
McAfee GenericRXIV-IQ!FAED1272B445
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 0055bb171 )
BitDefender Gen:Variant.Midie.70258
K7GW Trojan ( 0055bb171 )
Cybereason malicious.11d422
BitDefenderTheta Gen:NN.ZexaF.34084.KIZ@a0vC2Fdi
F-Prot W32/Kryptik.AQV.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.GYRB
GData Win32.Trojan.Kryptik.OS
Kaspersky not-a-virus:AdWare.Win32.StartSurf.vlbj
Alibaba AdWare:Win32/StartSurf.7760b0a1
Tencent Win32.Adware.Startsurf.Ehib
Endgame malicious (high confidence)
Sophos IStartSurfInstaller (PUA)
F-Secure Trojan.TR/Dropper.Gen
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Midie.70258 (B)
APEX Malicious
Cyren W32/Kryptik.AQV.gen!Eldorado
Avira TR/Dropper.Gen
MAX malware (ai score=83)
Antiy-AVL GrayWare/Win32.Kryptik.guot
Microsoft Trojan:Win32/Wacatac.D!ml
Arcabit Trojan.Midie.D11272
ZoneAlarm not-a-virus:AdWare.Win32.StartSurf.vlbj
SentinelOne DFI – Malicious PE
Acronis suspicious
ALYac Gen:Variant.Midie.70258
Ad-Aware Gen:Variant.Midie.70258
Malwarebytes Trojan.IStartSurf
Panda Trj/Genetic.gen
Rising Dropper.Generic!8.35E (TFE:dGZlOgVL5pCyOs25VA)
Ikarus PUA.ICLoader
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.BVKS!tr
AVG FileRepMetagen [Adw]
CrowdStrike win/malicious_confidence_100% (D)
Qihoo-360 HEUR/QVM20.1.FC1B.Malware.Gen

How to remove Win32/Kryptik.GYRB?

  • 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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