Categories: Malware

Win32:Webprefix [Trj] information

The Win32:Webprefix [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:Webprefix [Trj] virus can do?

  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Binary file triggered YARA rule
  • Anomalous binary characteristics
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Win32:Webprefix [Trj]?


File Info:

name: 41800F8AC8BA6819813E.mlwpath: /opt/CAPEv2/storage/binaries/a9d503ccf4f2cc1a2f87ebc92a661d2aedc36ea103d5b5f39a459c972059c44fcrc32: 50E7204Emd5: 41800f8ac8ba6819813e8bddc261197asha1: 340adf5c9341c37a7ae44187a394a22dc0b0419esha256: a9d503ccf4f2cc1a2f87ebc92a661d2aedc36ea103d5b5f39a459c972059c44fsha512: 1a50c8f6503274331e417efc58964e25dd0387775e0aaac4c87584f531804f764771da35b7d7ae97b5f96144a7328bc29ae433bf0c9be159df871ac7a6ef408dssdeep: 3072:KpxfDl5ouJjivP4zF13l1VsCoqbZSjmF9:OxLg4mKF11DVoWSjmXtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T15BC39E33B4D1C472E02500B68892D677AA6BF834EB761D873BC4196A5F77593CA3870Bsha3_384: e84c8c8333347f699095660465cd8295b8320890ca837ed4acafe97bca9c316bc005e66e65a39e061666c70061479251ep_bytes: e8503b0000e978feffffcc68c0764100timestamp: 2011-05-05 21:33:27

Version Info:

0: [No Data]

Win32:Webprefix [Trj] also known as:

Bkav W32.AIDetectMalware
Lionic Trojan.Win32.Webprefix.lnbj
Elastic malicious (high confidence)
DrWeb Trojan.Webprefix.15
MicroWorld-eScan Gen:Variant.Poseidon.34
FireEye Generic.mg.41800f8ac8ba6819
CAT-QuickHeal Trojan.GenericPMF.S21192066
Skyhigh BehavesLike.Win32.NetLoader.ch
McAfee Downloader-CMM
Cylance unsafe
Zillya Trojan.Webprefix.Win32.3575
Sangfor Trojan.Win32.Save.a
Alibaba TrojanDownloader:Win32/Webprefix.ba10b154
K7GW Trojan ( 0026e0611 )
K7AntiVirus Trojan ( 0026e0611 )
BitDefenderTheta AI:Packer.09519B9E1F
VirIT Trojan.Win32.Generic.AADU
Paloalto generic.ml
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Webprefix.A
APEX Malicious
TrendMicro-HouseCall TROJ_WPREF.SMUJ
Avast Win32:Webprefix [Trj]
ClamAV Win.Downloader.Webprefix-9927161-0
Kaspersky Trojan-Downloader.Win32.Klevate.w
BitDefender Gen:Variant.Poseidon.34
NANO-Antivirus Trojan.Win32.Webprefix.hasafi
Tencent Trojan.Win32.Webprefix.av
Emsisoft Gen:Variant.Poseidon.34 (B)
F-Secure Trojan.TR/Dropper.Gen
Baidu Win32.Trojan.Webprefix.d
VIPRE Gen:Variant.Poseidon.34
TrendMicro TROJ_WPREF.SMUJ
Trapmine malicious.high.ml.score
Sophos Troj/WebPrefi-B
Ikarus Trojan.Win32.Webprefix
MAX malware (ai score=100)
Jiangmin Trojan/Webprefix.at
Webroot W32.Trojan.Webprefix
Google Detected
Avira TR/Dropper.Gen
Varist W32/WebPrefix.A.gen!Eldorado
Antiy-AVL Trojan/Win32.Webprefix
Kingsoft Win32.Troj.Undef.a
Microsoft Trojan:Win32/Webprefix!pz
Xcitium TrojWare.Win32.Webprefix.N@39cylc
Arcabit Trojan.Poseidon.34
ViRobot Trojan.Win32.A.Webprefix.129536
ZoneAlarm Trojan-Downloader.Win32.Klevate.w
GData Win32.Trojan.PSE.1EM7T06
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Webprefix.R5207
VBA32 BScope.TrojanDownloader.Klevate
ALYac Gen:Variant.Poseidon.34
TACHYON Trojan/W32.Agent.129536.FQ
Malwarebytes Webprefix.Trojan.Dropper.DDS
Panda Trj/Genetic.gen
Rising Trojan.Agent!1.6795 (CLASSIC)
Yandex Trojan.GenAsa!ymfw0RrVZZU
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.2174793.susgen
Fortinet W32/Webprefix.A!tr
AVG Win32:Webprefix [Trj]
DeepInstinct MALICIOUS
alibabacloud Trojan[downloader]:Win/Webprefix.A

How to remove Win32:Webprefix [Trj]?

  • 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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