Categories: Malware

How to remove “Heur.Crifi.5 (B)”?

The Heur.Crifi.5 (B) 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 Heur.Crifi.5 (B) virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Executed a process and injected code into it, probably while unpacking
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file

How to determine Heur.Crifi.5 (B)?


File Info:

crc32: 506355B0md5: 8e9dec043a17ec3b841f2a8fe96ccfe1name: 8E9DEC043A17EC3B841F2A8FE96CCFE1.mlwsha1: a72abe712ff6c6961219da6acc97deabeb7fcdafsha256: 1487755a12fad06fcc8052da912bb450a2c5a832c054d9fc201d2fefceed9f6csha512: 500ebb3ea80da5ceb45a30e43238bc25af20f3b99365c69764fe05912312b944ef4bc72fd2638e920eac7efa0bcf8d31ea599a386249da56df91e8f4c6f46920ssdeep: 24576:ARdOxLFDApSPKk48T6bn1/zm/+c3NlErmp72ROh0g99:ARiLFssPH48OT9ApLErYAO6type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: FileVersion: 15,0,4420,1017CompanyName: Microsoft CorporationProductName: Microsoft Office 2013ProductVersion: 15,0,4420,1017FileDescription: Microsoft ExcelOriginalFilename: Excel.exeTranslation: 0x0409 0x0000

Heur.Crifi.5 (B) also known as:

K7AntiVirus Trojan ( 0052a64a1 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Heur.Crifi.5
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/NanoBot.1ea935fe
K7GW Trojan ( 0052a64a1 )
Cybereason malicious.43a17e
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Agent.YMG
Zoner Trojan.Win32.45518
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Generic-7139870-0
Kaspersky Trojan.Win32.NanoBot.om
BitDefender Gen:Heur.Crifi.5
NANO-Antivirus Trojan.Win32.Generic.fnqvlc
MicroWorld-eScan Gen:Heur.Crifi.5
Tencent Win32.Trojan.Nanobot.Eehx
Ad-Aware Gen:Heur.Crifi.5
Sophos Mal/Generic-S
Comodo Malware@#17tlbh3i3t2i1
BitDefenderTheta AI:Packer.03A2730C23
McAfee-GW-Edition BehavesLike.Win32.Fareit.tc
FireEye Generic.mg.8e9dec043a17ec3b
Emsisoft Gen:Heur.Crifi.5 (B)
SentinelOne Static AI – Malicious PE
Microsoft Backdoor:MSIL/Noancooe.C
Arcabit Trojan.Crifi.5
ZoneAlarm Trojan.Win32.NanoBot.om
GData Gen:Heur.Crifi.5
AhnLab-V3 Trojan/Win32.Ototi.C2713407
McAfee Dropper-FVC!8E9DEC043A17
MAX malware (ai score=100)
Malwarebytes DarkComet.Backdoor.RAT.DDS
Rising Hack.Win32.SpyWare.aa (CLASSIC)
Fortinet W32/Agent.YMG!tr
AVG Win32:Trojan-gen
Paloalto generic.ml

How to remove Heur.Crifi.5 (B)?

  • 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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