Categories: Malware

About “Win32/Filecoder.Lockbit.B” infection

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

  • Creates RWX memory
  • A process created a hidden window
  • Uses Windows utilities for basic functionality
  • Attempts to delete volume shadow copies
  • Modifies boot configuration settings
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/Filecoder.Lockbit.B?


File Info:

crc32: 7BF13F42md5: 9a4df42101a680237241797dc57bd304name: 9A4DF42101A680237241797DC57BD304.mlwsha1: db0bc0c41f5aae7e102176eba7f0386f5701a0a3sha256: 4d0113884f70ddbbaf1ee0365602124ba91c11a76ff7bff5908d310aa9d3dfe9sha512: 836ffdb37bf3b0a639bf406422b46f1b3aeaddfe1b1680dc83c794a6e3e299b1c3030a82aac561740cf8ddeff3d2e554d96a0898da453e92da16dc6ef76d653essdeep: 1536:juBQenvT2/XXMvFbedQHnoVNUmKV9j3MqqU+hV2FeabjZc:juBHkX8dqOnK+mK33MqqD/adtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Filecoder.Lockbit.B also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.Ransom.REntS.Gen.1
FireEye Generic.mg.9a4df42101a68023
McAfee GenericRXIS-VO!9A4DF42101A6
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056a69e1 )
BitDefender Gen:Heur.Ransom.REntS.Gen.1
K7GW Trojan ( 0056a69e1 )
CrowdStrike win/malicious_confidence_70% (D)
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.LockBitCombined-9375766-1
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Tiggre.eed7c166
NANO-Antivirus Trojan.Win32.Filecoder.gdmacf
Rising Trojan.Filecoder!8.68 (CLOUD)
Ad-Aware Gen:Heur.Ransom.REntS.Gen.1
Emsisoft Gen:Heur.Ransom.REntS.Gen.1 (B)
F-Secure Trojan.TR/Crypt.XPACK.Gen
DrWeb Trojan.Encoder.29662
TrendMicro Ransom.Win32.SANSPITIE.SMTH
McAfee-GW-Edition BehavesLike.Win32.Generic.lh
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.eesyi
eGambit Unsafe.AI_Score_98%
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=88)
Antiy-AVL Trojan/Win32.Fuery
Microsoft Trojan:Win32/Tiggre!plock
Arcabit Trojan.Ransom.REntS.Gen.1
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Heur.Ransom.REntS.Gen.1
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Generic.C3513194
Acronis suspicious
BitDefenderTheta AI:Packer.C3E6D0431E
ALYac Trojan.Ransom.Filecoder
VBA32 BScope.Trojan.DelShad
Malwarebytes MachineLearning/Anomalous.94%
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Filecoder.Lockbit.B
TrendMicro-HouseCall Ransom.Win32.SANSPITIE.SMTH
Tencent Win32.Trojan.Raas.Auto
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Filecoder.NXQ!tr.ransom
Webroot W32.Trojan.Gen
AVG Win32:Trojan-gen
Cybereason malicious.101a68
Paloalto generic.ml
Qihoo-360 Generic/Trojan.Ransom.ec8

How to remove Win32/Filecoder.Lockbit.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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