Categories: Trojan

Trojan:Win32/Small.BC malicious file

The Trojan:Win32/Small.BC 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 Trojan:Win32/Small.BC virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Polish
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality

How to determine Trojan:Win32/Small.BC?


File Info:

name: 51F51736FF34E4DAB909.mlwpath: /opt/CAPEv2/storage/binaries/188d716c078b2bef25e961afb502729f7c0bd03854bc17d2bc8ef2d22431da18crc32: A04D3FD6md5: 51f51736ff34e4dab90966a5fce22b4bsha1: 6eb62852673c7e910bf332a67e851b9931175c99sha256: 188d716c078b2bef25e961afb502729f7c0bd03854bc17d2bc8ef2d22431da18sha512: f1a6e352fe41a885c79a13a4e6f2dd9d9209f7b8ee1fa48c05d438728f99b7fef594673984ce6efced2a08e26adc5f0c2299d080629314d208c9495a9db1dda8ssdeep: 98304:PDMhCw6mlgB7FHIHGPoMj0awwy8Bb6YYn9s4RwmulyFonfjjKQdOKFXsejXVaSR4:PDDw6VRHwKos0ky8sYYne4RxulTnfj+5type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1894633C536A19834E6445B3444AC6334833EFBD0A3FBB9279B789892AD59FB11C75B03sha3_384: 1f911ba0a549242cbece4ab336d8d6419233bb1d01bbca012033b463246be797a4d1582188d78ada9f75738dfd70da5bep_bytes: e89f28000050e8832a01000000000090timestamp: 2006-09-13 18:20:14

Version Info:

0: [No Data]

Trojan:Win32/Small.BC also known as:

Lionic Trojan.Win32.Delf.4!c
Elastic malicious (moderate confidence)
MicroWorld-eScan Trojan.Generic.1403610
ClamAV Win.Trojan.Delf-9781818-0
FireEye Trojan.Generic.1403610
CAT-QuickHeal Trojan.Skeeyah.26627
McAfee Artemis!51F51736FF34
Malwarebytes Malware.AI.4261202574
Zillya Trojan.Delf.Win32.9555
CrowdStrike win/malicious_confidence_60% (W)
K7GW Trojan ( 0055e3e61 )
K7AntiVirus Trojan ( 0055e3e61 )
BitDefenderTheta Gen:NN.ZelphiF.36250.IGX@aKYvvUm
VirIT Trojan.Win32.Generic.ZU
Cyren W32/Trojan.KGNZ-1712
Symantec Trojan.Gen.MBT
ESET-NOD32 multiple detections
APEX Malicious
Cynet Malicious (score: 99)
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Trojan.Generic.1403610
NANO-Antivirus Trojan.Win32.Delf.oddhi
Avast Win32:Trojan-gen
Emsisoft Trojan.Generic.1403610 (B)
Baidu Win32.Trojan.Delf.io
F-Secure Trojan.TR/Delf.gjx
DrWeb Trojan.Siggen1.33983
VIPRE Trojan.Generic.1403610
McAfee-GW-Edition BackDoor-DWN
Sophos Mal/Generic-R
SentinelOne Static AI – Suspicious SFX
GData Trojan.Zmutzy.Hory.1
Jiangmin Backdoor/Huigezi.bud
Avira TR/Delf.gjx
Antiy-AVL Trojan/Win32.Unknown
Xcitium TrojWare.Win32.PSW.OnLineGames.~GCF@ab8r7
Arcabit Trojan.Generic.D156ADA [many]
ZoneAlarm UDS:DangerousObject.Multi.Generic
Microsoft Trojan:Win32/Small.BC
Google Detected
ALYac Trojan.Zmutzy.Hory.1
MAX malware (ai score=99)
VBA32 Trojan.Delf
Cylance unsafe
Panda Trj/CI.A
Rising Trojan.Win32.Small.eqz (CLASSIC)
Ikarus Virus.Win32.Delf.KZB
Fortinet W32/Generic.DIT!tr
AVG Win32:Trojan-gen
DeepInstinct MALICIOUS

How to remove Trojan:Win32/Small.BC?

  • 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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