Categories: Malware

VirTool:Win32/CryptInject.YE!rfn removal instruction

The VirTool:Win32/CryptInject.YE!rfn 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 VirTool:Win32/CryptInject.YE!rfn 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
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Authenticode signature is invalid

How to determine VirTool:Win32/CryptInject.YE!rfn?


File Info:

name: C9091878D672B3520CBD.mlwpath: /opt/CAPEv2/storage/binaries/be958b0802aa0437628d9258acc05184bc657f8fbbcbc4c9ba9efec521709775crc32: 4E0C946Bmd5: c9091878d672b3520cbdcd860f391eb3sha1: 85da67ebb5c1598dbbc65d688da8ecfaccbda99asha256: be958b0802aa0437628d9258acc05184bc657f8fbbcbc4c9ba9efec521709775sha512: ec0ee6401dd0f18f4f9723b098884625c4fc5796fd6cd7a5c22dfb4aefe28e2ba6264fa1f5b2b590b3e3374e9a471cde887e39d8596a35337976e9d1055cb0a5ssdeep: 12288:IzFKT67zyaQ9NOmQywwy/YXUg5K2Sbw1pzKQE5z6cEQtepfreDItSAC4aKlYhez:cAT2yaQ9kmuYEZcDzdE5z6cJtepfreDAtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T173E423573619EC67F822C63502AB3D29B779D03590B5868B0B942D54FE3FB02AA4F076sha3_384: a0ecef1edd311bd68c4f7175ec18f57d933bfa391cc9c2f43ba82122e2e3e6e93aecac9cfa0e362ee583fcd590fe2c33ep_bytes: 81ec8401000053565733db6801800000timestamp: 2018-01-30 03:57:45

Version Info:

FileDescription: setupFileVersion: 12.0.3396.99LegalCopyright: Copyright 2017 All rights reserved.ProductName: setupTranslation: 0x0409 0x04e4

VirTool:Win32/CryptInject.YE!rfn also known as:

Lionic Trojan.Win32.RegRun.4!e
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.GenericKD.40422562
FireEye Generic.mg.c9091878d672b352
CAT-QuickHeal Trojan.Malagent
ALYac Trojan.GenericKD.40422562
Cylance Unsafe
K7AntiVirus Trojan ( 0053b98b1 )
Alibaba Trojan:Win32/Coins.77661dd9
K7GW Trojan ( 0053b98b1 )
CrowdStrike win/malicious_confidence_90% (W)
Cyren W32/S-5f21cf29!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Generik.NKEAPKH
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Sodinokibi-8015224-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.GenericKD.40422562
SUPERAntiSpyware Trojan.Agent/Gen-Dropper
Avast Win32:Dropper-gen [Drp]
Tencent Win32.Trojan.Generic.Swuj
Sophos Generic Reputation PUA (PUA)
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
Emsisoft Trojan.GenericKD.40422562 (B)
Ikarus Trojan.PSW.Coins
Avira HEUR/AGEN.1100705
Microsoft VirTool:Win32/CryptInject.YE!rfn
GData Trojan.GenericKD.40422562
Cynet Malicious (score: 100)
AhnLab-V3 PUP/Win32.HPDefender.R345942
McAfee Artemis!C9091878D672
MAX malware (ai score=88)
VBA32 Trojan.Wacatac
Malwarebytes Malware.AI.1382422537
AVG Win32:Dropper-gen [Drp]
Cybereason malicious.8d672b
Panda Trj/CI.A

How to remove VirTool:Win32/CryptInject.YE!rfn?

  • 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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