Categories: Worm

Win32.Worm.Brontok.BI (file analysis)

The Win32.Worm.Brontok.BI 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.Worm.Brontok.BI virus can do?

  • Executable code extraction
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Checks for the presence of known windows from debuggers and forensic tools
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Win32.Worm.Brontok.BI?


File Info:

crc32: 316E9B11md5: a9bca0889a464119b345db7b0ecd79a8name: A9BCA0889A464119B345DB7B0ECD79A8.mlwsha1: 8a49203fa94921fd6eb80710756a1ab6dd917a22sha256: 60fe4a1f0ed577bfa8d10195a3d1123b0a7ab551d3579686ee6ac6bc18282fe5sha512: bd0574a6dc8f327f539a7e4766135ff12f53110c14b0ef593c8b902c03a865963c410ed1f33640656aa45ee17606688170afcc759c9c56e6407d5f68e5eeee25ssdeep: 384:VmpUto8E6qhIA8ZfiSM+3/marB4djzuf4uFfTlCTZ94GgR01eEe/tfF1Xfvgmra:wpUt1E/8mS+amkLFRccny45nHguULtype: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed

Version Info:

0: [No Data]

Win32.Worm.Brontok.BI also known as:

Bkav W32.MoonLightCP.Worm
TotalDefense Win32/Kumoo.B
MicroWorld-eScan Win32.Worm.Brontok.BI
nProtect Worm/W32.Moonlight.32768
CMC Worm.Win32.VB!O
CAT-QuickHeal TrojanAPT.LecnaCShip.MUE.Z4
ALYac Win32.Worm.Brontok.BI
Cylance Unsafe
CrowdStrike malicious_confidence_100% (D)
K7GW Trojan ( 0000fb5b1 )
K7AntiVirus Trojan ( 0000fb5b1 )
TrendMicro WORM_MOONLIGHT.B
Baidu Win32.Worm.VB.a
Cyren W32/Worm.KYPY-0738
Symantec W32.Rontokbro@mm
ESET-NOD32 Win32/NoonLight.B
Zoner I-Worm.NoonLight.B
TheHacker W32/VB.cz
Avast Win32:VB-BQD [Wrm]
ClamAV Win.Worm.VB-556
Kaspersky Worm.Win32.VB.cz
BitDefender Win32.Worm.Brontok.BI
NANO-Antivirus Trojan.Win32.VB.crsvto
ViRobot Worm.Win32.VB.32768
SUPERAntiSpyware Trojan.Agent/Gen-Pakon
Tencent Worm.Win32.VB.tk
Ad-Aware Win32.Worm.Brontok.BI
Sophos W32/Bobandy-D
Comodo Worm.Win32.NoonLight.B
F-Secure Win32.Worm.Brontok.BI
DrWeb Trojan.MulDrop.59624
VIPRE Trojan.Win32.Generic!BT
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.MoonLight.nc
Emsisoft Win32.Worm.Brontok.BI (B)
SentinelOne static engine – malicious
F-Prot W32/Worm.AJ
Endgame malicious (high confidence)
Avira WORM/VB.CZ.14.A
Antiy-AVL Trojan/Generic.ASVCS3S.1F5
Microsoft Trojan:Win32/Dorv.A
Jiangmin I-Worm/VB.acj
Arcabit Win32.Worm.Brontok.BI
AegisLab W32.W.VB.tne1
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Win32.Worm.Brontok.BI
AhnLab-V3 HEUR/Fakon.mwf
McAfee W32/MoonLight.worm
AVware Trojan.Win32.Generic!BT
MAX malware (ai score=89)
VBA32 Worm.VB
Malwarebytes Worm.AutoRun
Panda W32/Moonlight.A.worm
TrendMicro-HouseCall WORM_MOONLIGHT.B
Yandex I-Worm.Lightmoon.J
Ikarus Trojan.Win32.Agent
Fortinet W32/Virtob.NC
AVG Win32:VB-BQD [Wrm]
Qihoo-360 Worm.Win32.Brontok.B

How to remove Win32.Worm.Brontok.BI?

  • 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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Paul Valéry

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