Malware

Win32:BHO-ACI [Trj] (file analysis)

Malware Removal

The Win32:BHO-ACI [Trj] 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:BHO-ACI [Trj] virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • A process attempted to delay the analysis task.
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality

How to determine Win32:BHO-ACI [Trj]?


File Info:

name: 6894228459A1721F7A6A.mlw
path: /opt/CAPEv2/storage/binaries/1d2fb5140e4b0abf71a3f8c550a6fdb3fe1e02f45b0af325fc1e1bf67c9739ef
crc32: 8DC4434C
md5: 6894228459a1721f7a6a29819de3bcca
sha1: d109ba21dad612533b7f345ae5b2976ca65392eb
sha256: 1d2fb5140e4b0abf71a3f8c550a6fdb3fe1e02f45b0af325fc1e1bf67c9739ef
sha512: 71fd032c8db45de111c2a1bb90dd1cee9fe531f2aa40211da7b334bd4552abc01aea6cae2bad9d1503b7feeb73db2cc075581c3399b430f42d2643646662f0cb
ssdeep: 6144:AFlvC60dLy0+/FsuSGZW+tMKnF48rLRauSTvazEf9Y24jZbZ:AFlvC60xyR/FMUW+yu4MLUdTTC
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T10A846C02FB649275C5E318748A53AB2525AAAEC13F30A6CF33883E4D1A395C57375F4B
sha3_384: 8130d74a8e7186cf436bb4040eaddc6da79ef24882ec81cd840331fea2a8dd551a706cb2e8237907ebca0ddafb363daa
ep_bytes: 6a6068e0954400e83a120000bf940000
timestamp: 2010-09-16 21:13:22

Version Info:

FileVersion: 1.0.0.30
ProductVersion: 1.0.0.30
Translation: 0x0804 0x03a8

Win32:BHO-ACI [Trj] also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Wsgame.28681
MicroWorld-eScanGen:Variant.OnlineGames.5
FireEyeGeneric.mg.6894228459a1721f
CAT-QuickHealTrojan.OnLineGames.xi5
ALYacGen:Variant.OnlineGames.5
CylanceUnsafe
ZillyaTrojan.OnLineGames.Win32.76494
K7AntiVirusTrojan ( 0055e3dd1 )
K7GWTrojan ( 0055e3dd1 )
Cybereasonmalicious.459a17
BitDefenderThetaGen:NN.ZexaF.34294.xu2@aSPaOEeb
CyrenW32/FakeGame.B.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Agent.RXZ
TrendMicro-HouseCallTROJ_STARTP.SML2
CynetMalicious (score: 100)
KasperskyTrojan-Downloader.Win32.Gamup.pxb
BitDefenderGen:Variant.OnlineGames.5
NANO-AntivirusTrojan.Win32.OnLineGames.cagpw
AvastWin32:BHO-ACI [Trj]
TencentTrojan.Win32.BitCoinMiner.la
Ad-AwareGen:Variant.OnlineGames.5
SophosML/PE-A + Troj/Darbyen-A
ComodoTrojWare.Win32.BHO.EFKMNB@4ok0yf
BaiduWin32.Trojan.BHO.n
VIPRETrojan.Win32.Darbyen.A (v) (not malicious)
TrendMicroTROJ_STARTP.SML2
McAfee-GW-EditionBehavesLike.Win32.Generic.fh
EmsisoftGen:Variant.OnlineGames.5 (B)
IkarusTrojan.Win32.StartPage
GDataGen:Variant.OnlineGames.5
JiangminTrojan/PSW.OnLineGames.ccgw
WebrootW32.Malware.Gen
AviraTR/BHO.efkmnb
MAXmalware (ai score=81)
Antiy-AVLTrojan/Generic.ASMalwS.2A4B
ArcabitTrojan.OnlineGames.5
ViRobotTrojan.Win32.PSWIGames.381240
MicrosoftTrojan:Win32/BHO.EF
AhnLab-V3Win-Trojan/Onlinegamehack21.Gen
Acronissuspicious
McAfeeStartPage-NH
VBA32TrojanPSW.OnLineGames.xg
MalwarebytesMalware.AI.3661604243
APEXMalicious
RisingBackdoor.Agent!1.69D8 (CLASSIC)
YandexTrojan.GenAsa!6Ju1+ezyYvI
SentinelOneStatic AI – Malicious PE
FortinetW32/ZLob.AAAA!tr.dldr
AVGWin32:BHO-ACI [Trj]
PandaTrj/Lineage.LOE
CrowdStrikewin/malicious_confidence_100% (D)
MaxSecureDownloader.Gamup.qmq

How to remove Win32:BHO-ACI [Trj]?

Win32:BHO-ACI [Trj] 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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