Categories: Malware

Win32/Filecoder.Natas.B removal

The Win32/Filecoder.Natas.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 Win32/Filecoder.Natas.B virus can do?

  • The executable is compressed using UPX
  • Exhibits possible ransomware file modification behavior

How to determine Win32/Filecoder.Natas.B?


File Info:

crc32: B8EA26D3md5: 07c37c1ada69003e6aba1e4b28683c52name: 07C37C1ADA69003E6ABA1E4B28683C52.mlwsha1: bb41113e5efbd15f656d7e8075858ab465a596e3sha256: a41a853a5c9bf5aca87c627e898098fc1c569837ff2db0fb0bb8ba512c88d6b8sha512: ea7f79ac660323b61bc51fc8516a41b334d25c5b0a35938cbbb0f3100bc4af9345e034ba4e336cb71786d0b00a01435158c52ed799f105a740de1b446c4cfa09ssdeep: 12288:pR9X9811/W2KrVkxbvQhMkAN6Uw3OEhlZHxMS:pR9XO+fkxrQhhUtEhRMStype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed

Version Info:

0: [No Data]

Win32/Filecoder.Natas.B also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053df001 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.25460
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Satan
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.8542
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
Alibaba Ransom:Win32/Crypmod.7b98ccb1
K7GW Trojan ( 0053df001 )
Cybereason malicious.ada690
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Natas.B
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Crypmod.aahh
BitDefender Gen:Variant.Ransom.DBger.1
NANO-Antivirus Trojan.Win32.FileCoder.facmgu
MicroWorld-eScan Gen:Variant.Ransom.DBger.1
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Variant.Ransom.DBger.1
Sophos ML/PE-A
Comodo Packed.Win32.MUPX.Gen@24tbus
BitDefenderTheta Gen:NN.ZexaF.34692.JuX@aKpxFlhi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.hm
FireEye Generic.mg.07c37c1ada69003e
Emsisoft Gen:Variant.Ransom.DBger.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.cbwib
Avira HEUR/AGEN.1129606
Antiy-AVL Trojan/Generic.ASMalwS.25A961F
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.Ransom.DBger.1
AegisLab Trojan.Win32.Crypmod.4!c
GData Gen:Variant.Ransom.DBger.1
Acronis suspicious
McAfee GenericRXES-XC!07C37C1ADA69
MAX malware (ai score=100)
VBA32 suspected of Trojan.Downloader.gen
Panda Trj/GdSda.A
Rising Ransom.FileCryptor!8.1A7 (CLOUD)
Yandex Trojan.GenAsa!2JMadJhFKfw
Ikarus Trojan-Ransom.Natas
MaxSecure Trojan.Malware.121218.susgen
Fortinet W32/Filecoder.NQC!tr.ransom
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Filecoder.Natas.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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