Categories: Malware

Win32/GenKryptik.EFHX (file analysis)

The Win32/GenKryptik.EFHX 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/GenKryptik.EFHX virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Network activity detected but not expressed in API logs
  • Creates a copy of itself

How to determine Win32/GenKryptik.EFHX?


File Info:

crc32: 831D3B65md5: 21aa52304f9b370593787b44c6139a1ename: redcar.pngsha1: 6cc3e6c9ae88b704df200061c8fe76c0eb8f47a7sha256: b6e3ea4aeb48224f35a7fb72da125d7009d27a10a0816c555a413be1d13d1880sha512: c0eba173d8119441c2b4a528a635eaf35e8a1d0381c82ce25095541ea8c611bcc8e584d35a26eb7200304e257e1d4196d07f308cae1fafe81b94437432cf5061ssdeep: 12288:S1tyV3BS3Sgj+z+aS4CDxyG9O/xgMDOQWx0TnzZ7DNUqPc1rdz:S1tyxBS3Zjk+aS4CFy6E5TzZ7Ydztype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2000InternalName: HeaderCtrlDemoFileVersion: 1, 0, 0, 1CompanyName: PrivateBuild: LegalTrademarks: Comments: CHeaderCtrl demo application by Matt WeagleProductName: HeaderCtrlDemo ApplicationSpecialBuild: ProductVersion: 1, 0, 0, 1FileDescription: HeaderCtrlDemo MFC ApplicationOriginalFilename: HeaderCtrlDemo.EXETranslation: 0x0409 0x04b0

Win32/GenKryptik.EFHX also known as:

DrWeb Trojan.Packed.140
MicroWorld-eScan Trojan.Agent.EMOS
FireEye Generic.mg.21aa52304f9b3705
McAfee GenericRXAA-AA!21AA52304F9B
K7AntiVirus Trojan ( 005616da1 )
BitDefender Trojan.Agent.EMOS
K7GW Trojan ( 005616da1 )
Cybereason malicious.9ae88b
APEX Malicious
F-Secure Trojan.TR/AD.TrickBot.rfurc
Invincea heuristic
Trapmine malicious.high.ml.score
Avira TR/AD.TrickBot.rfurc
Microsoft Trojan:Win32/Wacatac.C!ml
Acronis suspicious
ESET-NOD32 a variant of Win32/GenKryptik.EFHX
SentinelOne DFI – Suspicious PE
Fortinet W32/Emotet.MXFF!tr

How to remove Win32/GenKryptik.EFHX?

  • 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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