Categories: Malware

What is “Win32/Filecoder.NBF”?

The Win32/Filecoder.NBF 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.

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
6-day free trial available.

What Win32/Filecoder.NBF virus can do?

  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • Deletes its original binary from disk
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Creates a copy of itself

How to determine Win32/Filecoder.NBF?


File Info:

crc32: BCF58592md5: da71729bb8ffca2f8b77edea7f5bde7aname: DA71729BB8FFCA2F8B77EDEA7F5BDE7A.mlwsha1: aace024397626ec331f2b34862fd5f100cf5294bsha256: f51719dfeac4f52a90d52188c3b3e9145d77f612da784510c968564aa0d46e9esha512: 76d5293af20c92aeb17c0fd32d25c1264ef8b6f5c13e72cdebbc3520c980dcfac3d951a85652a95bb13dd77e3a7d6fa76ac039134ed7ec218df457597525fefbssdeep: 3072:FesSz8QlCzBz1vBEN73yptw1cnMb72Jj5FKXu9j8:BJB9x0iJjKe+type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.NBF also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader9.24297
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Bucbi
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.171
Sangfor Ransom.Win32.Bucbi.A
Alibaba Trojan:Win32/Starter.ali2000005
K7GW Riskware ( 0040eff71 )
K7AntiVirus Riskware ( 0040eff71 )
Cyren W32/Trojan.WVLN-3858
Symantec Ransom.Bucbi
ESET-NOD32 a variant of Win32/Filecoder.NBF
APEX Malicious
Avast Win32:Agent-ASTJ [Trj]
ClamAV Win.Ransomware.Bucbi-6357228-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.Ransom.RTH.1
NANO-Antivirus Trojan.Win32.Filecoder.cttkmx
ViRobot Trojan.Win32.Bucbi.240128
MicroWorld-eScan Gen:Heur.Ransom.RTH.1
Tencent Win32.Trojan.Ducry.Wstl
Ad-Aware Gen:Heur.Ransom.RTH.1
Sophos Mal/Generic-S
Comodo Malware@#cs7b41aqhp34
BitDefenderTheta Gen:NN.ZexaCO.34670.puW@auG1SYik
VIPRE Trojan.Win32.Cryptolocker.mc (fs)
TrendMicro Ransom_CRYPTFILE.C
McAfee-GW-Edition BehavesLike.Win32.Worm.dh
FireEye Gen:Heur.Ransom.RTH.1
Emsisoft Gen:Heur.Ransom.RTH.1 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Ducry.c
Webroot W32.Adware.Gen
Avira TR/CryptKeeper.A.2
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Bucbi.A
Arcabit Trojan.Ransom.RTH.1
AegisLab Trojan.Win32.Generic.4!c
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Trojan-Ransom.Bucbi.A
AhnLab-V3 Malware/Win32.Generic.C328792
McAfee Ransomware-FLT!DA71729BB8FF
MAX malware (ai score=100)
VBA32 BScope.Trojan.Encoder
Panda Generic Malware
TrendMicro-HouseCall Ransom_CRYPTFILE.C
Rising Ransom.Bucbi!8.4A43 (CLOUD)
Ikarus Trojan-Ransom.Bucbi
Fortinet W32/Ursnif.CQ!tr
AVG Win32:Agent-ASTJ [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Generic.HwoCyx8A

How to remove Win32/Filecoder.NBF?

  • 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.

Recent Posts

MSIL/GenKryptik.GXIZ information

The MSIL/GenKryptik.GXIZ is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Malware.AI.2789448175 (file analysis)

The Malware.AI.2789448175 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

Jalapeno.1878 removal instruction

The Jalapeno.1878 is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

What is “Trojan.Heur3.LPT.YmKfaKBcBekib”?

The Trojan.Heur3.LPT.YmKfaKBcBekib is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

How to remove “Worm.Win32.Vobfus.exmt”?

The Worm.Win32.Vobfus.exmt is considered dangerous by lots of security experts. When this infection is active,…

2 months ago

About “TrojanDownloader:Win32/Beebone.JO” infection

The TrojanDownloader:Win32/Beebone.JO is considered dangerous by lots of security experts. When this infection is active,…

2 months ago