Categories: Worm

Should I remove “Worm:Win32/Arhost.B”?

The Worm:Win32/Arhost.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 Worm:Win32/Arhost.B virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Worm:Win32/Arhost.B?


File Info:

name: B21CBDD76036AA2E2DF8.mlwpath: /opt/CAPEv2/storage/binaries/ca4022eee70dad50307780b4fbcab7e16ff6fc015021b4fd6af665bb95286cd8crc32: ABF3DF87md5: b21cbdd76036aa2e2df869f339d00700sha1: c9c5e80a1f54b7731e6b4cf5a0860172b4f8706esha256: ca4022eee70dad50307780b4fbcab7e16ff6fc015021b4fd6af665bb95286cd8sha512: fc3b75e6ff64fd953b29cc805d1e3eddce810b0118fb28d721ba7e5774b283f47c7396bd4092e0691b2c459c4083cd3d4a8f2d3233238dfdd83ce85a00476d79ssdeep: 6144:IKGkxJ75KzESGXN2FtpygMe1BEoqaM7T6yHDg8o6MNkLdOj82labP1T2Dy/5+m:UWJuPOKyHD939Ftype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12C448107AB00B027E95368B03965E1AEA9157C3306D4EE177783BF9662345D3A9F072Fsha3_384: 888b838bec5bfcee3568529dab25ad2142f784200555c7fa08f301257ccc4d8d253d1e90323c0cbb8300f0909be871cfep_bytes: 68e82d4000e8f0ffffff000000000000timestamp: 2010-07-11 00:53:07

Version Info:

Translation: 0x0409 0x04b0ProductName: sdfsdfFileVersion: 1.00ProductVersion: 1.00InternalName: bOriginalFilename: b.exe

Worm:Win32/Arhost.B also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Swisyn.4!c
tehtris Generic.Malware
MicroWorld-eScan Gen:Variant.Razy.376536
CAT-QuickHeal Trojan.Swisyn.ai3
Skyhigh BehavesLike.Win32.Infected.dm
McAfee Swisyn.z
Malwarebytes Generic.Malware.AI.DDS
VIPRE Gen:Variant.Razy.376536
Sangfor Suspicious.Win32.Save.vb
K7AntiVirus P2PWorm ( 00132c7f1 )
BitDefender Gen:Variant.Razy.376536
K7GW P2PWorm ( 00132c7f1 )
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta AI:Packer.96B7DBF720
VirIT Trojan.Win32.Generic.AGTR
Symantec W32.SillyFDC
Elastic malicious (high confidence)
ESET-NOD32 Win32/AutoRun.VB.RR
Cynet Malicious (score: 100)
APEX Malicious
ClamAV Win.Trojan.VB-1372
Kaspersky Trojan.Win32.Swisyn.aikq
Alibaba Worm:Win32/Swisyn.37d52b65
NANO-Antivirus Trojan.Win32.Swisyn.bnpsh
ViRobot Trojan.Win32.A.Swisyn.258088
Rising Worm.AutoRun!8.50 (CLOUD)
TACHYON Trojan/W32.VB-Swisyn.258048.B
Sophos Mal/Generic-S
Baidu Win32.Worm.VB.f
F-Secure Trojan.TR/Dropper.Gen
DrWeb Trojan.Siggen2.11631
Zillya Trojan.Swisyn.Win32.9558
TrendMicro WORM_VB.SMOW
FireEye Generic.mg.b21cbdd76036aa2e
Emsisoft Gen:Variant.Razy.376536 (B)
Ikarus Trojan.Win32.Swisyn
GData Gen:Variant.Razy.376536
Jiangmin Trojan/Swisyn.vlc
Webroot Worm:Win32/Arhost.B
Varist W32/VB.AM.gen!Eldorado
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Win32.Swisyn
Xcitium TrojWare.Win32.swisyn.AIKQ@2na1s7
Arcabit Trojan.Razy.D5BED8
ZoneAlarm Trojan.Win32.Swisyn.aikq
Microsoft Worm:Win32/Arhost.B
Google Detected
AhnLab-V3 Trojan/Win32.Swisyn.R855
VBA32 Trojan.VBRA.04037
ALYac Gen:Variant.Razy.376536
MAX malware (ai score=86)
DeepInstinct MALICIOUS
Cylance unsafe
Panda Trj/Genetic.gen
TrendMicro-HouseCall WORM_VB.SMOW
Tencent Malware.Win32.Gencirc.10b89618
Yandex Trojan.GenAsa!+pRnGKswLCs
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.1410202.susgen
Fortinet W32/Swisyn.AIK!tr
AVG Win32:DropperX-gen [Drp]
Avast Win32:DropperX-gen [Drp]

How to remove Worm:Win32/Arhost.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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Paul Valéry

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