Malware

What is “Win32/Filecoder.NBF”?

Malware Removal

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.

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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.
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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: BCF58592
md5: da71729bb8ffca2f8b77edea7f5bde7a
name: DA71729BB8FFCA2F8B77EDEA7F5BDE7A.mlw
sha1: aace024397626ec331f2b34862fd5f100cf5294b
sha256: f51719dfeac4f52a90d52188c3b3e9145d77f612da784510c968564aa0d46e9e
sha512: 76d5293af20c92aeb17c0fd32d25c1264ef8b6f5c13e72cdebbc3520c980dcfac3d951a85652a95bb13dd77e3a7d6fa76ac039134ed7ec218df457597525fefb
ssdeep: 3072:FesSz8QlCzBz1vBEN73yptw1cnMb72Jj5FKXu9j8:BJB9x0iJjKe+
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.NBF also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader9.24297
CynetMalicious (score: 100)
ALYacTrojan.Ransom.Bucbi
CylanceUnsafe
ZillyaTrojan.Filecoder.Win32.171
SangforRansom.Win32.Bucbi.A
AlibabaTrojan:Win32/Starter.ali2000005
K7GWRiskware ( 0040eff71 )
K7AntiVirusRiskware ( 0040eff71 )
CyrenW32/Trojan.WVLN-3858
SymantecRansom.Bucbi
ESET-NOD32a variant of Win32/Filecoder.NBF
APEXMalicious
AvastWin32:Agent-ASTJ [Trj]
ClamAVWin.Ransomware.Bucbi-6357228-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Heur.Ransom.RTH.1
NANO-AntivirusTrojan.Win32.Filecoder.cttkmx
ViRobotTrojan.Win32.Bucbi.240128
MicroWorld-eScanGen:Heur.Ransom.RTH.1
TencentWin32.Trojan.Ducry.Wstl
Ad-AwareGen:Heur.Ransom.RTH.1
SophosMal/Generic-S
ComodoMalware@#cs7b41aqhp34
BitDefenderThetaGen:NN.ZexaCO.34670.puW@auG1SYik
VIPRETrojan.Win32.Cryptolocker.mc (fs)
TrendMicroRansom_CRYPTFILE.C
McAfee-GW-EditionBehavesLike.Win32.Worm.dh
FireEyeGen:Heur.Ransom.RTH.1
EmsisoftGen:Heur.Ransom.RTH.1 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan/Ducry.c
WebrootW32.Adware.Gen
AviraTR/CryptKeeper.A.2
eGambitUnsafe.AI_Score_99%
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftRansom:Win32/Bucbi.A
ArcabitTrojan.Ransom.RTH.1
AegisLabTrojan.Win32.Generic.4!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataWin32.Trojan-Ransom.Bucbi.A
AhnLab-V3Malware/Win32.Generic.C328792
McAfeeRansomware-FLT!DA71729BB8FF
MAXmalware (ai score=100)
VBA32BScope.Trojan.Encoder
PandaGeneric Malware
TrendMicro-HouseCallRansom_CRYPTFILE.C
RisingRansom.Bucbi!8.4A43 (CLOUD)
IkarusTrojan-Ransom.Bucbi
FortinetW32/Ursnif.CQ!tr
AVGWin32:Agent-ASTJ [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Generic.HwoCyx8A

How to remove Win32/Filecoder.NBF?

Win32/Filecoder.NBF removal tool
  • 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.

About the author

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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