Categories: Trojan

TrojanDownloader:Win32/WebDown.H removal

The TrojanDownloader:Win32/WebDown.H 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 TrojanDownloader:Win32/WebDown.H virus can do?

  • Sample contains Overlay data
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Anomalous binary characteristics

How to determine TrojanDownloader:Win32/WebDown.H?


File Info:

name: 4C686543A9A4A02D0736.mlwpath: /opt/CAPEv2/storage/binaries/8a0ada1da04bcd58a2dd0f0d9aa4d77acce6912f4a0f6f3be572b23817765e7fcrc32: 4909A9C4md5: 4c686543a9a4a02d07367859e25feea6sha1: 92b5ac421126be2aee843308ad0d6dd56d0a6e46sha256: 8a0ada1da04bcd58a2dd0f0d9aa4d77acce6912f4a0f6f3be572b23817765e7fsha512: 7a0f79f52bbc8590812d4458f0e93197cabd27a068c3a03c1b794a57c1f32f87895978436fa25e4d5f32f63b35b9ff4cad677f2480985bf91981954b66d24f5bssdeep: 12:erH2LYMhi5cIoUlRkzkQeWKssyVqUAhSFz54+LaZipcH8enqKwBMxdC08T3ixGZ9:er2x+oULXQeWKPUA4FzaopcRW0oix6type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T13621752B8E6B1AF3D4745AB0218CC119F1359A3042B64D878D4C3E3AFCB16905C37D47sha3_384: 028df72f974d89df0be500fca81e08c80bca8fac65435cc76c813c455e9c97290f3333b489c5d8a60cd4dca4291b3469ep_bytes: bbd0014000bf00104000be0040400053timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

TrojanDownloader:Win32/WebDown.H also known as:

Bkav W32.AIDetectMalware
Elastic malicious (high confidence)
DrWeb Trojan.Siggen
MicroWorld-eScan Trojan.Downloader.Apher.Gen
ClamAV Win.Trojan.Small-10534
Cylance unsafe
Zillya Downloader.WebDown.Win32.68
K7AntiVirus Trojan ( 00544ddf1 )
K7GW Trojan ( 00544ddf1 )
Cybereason malicious.21126b
BitDefenderTheta Gen:NN.ZexaF.36662.ambdaidz5ol
VirIT TrojanDownld.Win32.Apher.B
Cyren W32/Downloader.MUZI-7025
Symantec ML.Attribute.HighConfidence
tehtris Generic.Malware
ESET-NOD32 Win32/TrojanDownloader.Apher.G
TrendMicro-HouseCall TROJ_APHER.A
Cynet Malicious (score: 100)
Kaspersky Trojan-Downloader.Win32.WebDown.10
BitDefender Trojan.Downloader.Apher.Gen
Avast Win32:WebDown-F [Trj]
Tencent Win32.Trojan-Downloader.Webdown.Tdkl
Emsisoft Trojan.Downloader.Apher.Gen (B)
F-Secure Trojan.TR/Crypt.FSPM.Gen
VIPRE Trojan.Downloader.Apher.Gen
TrendMicro TROJ_APHER.A
McAfee-GW-Edition Downloader-AE.c
Trapmine malicious.high.ml.score
FireEye Generic.mg.4c686543a9a4a02d
Sophos Mal/DownLdr-AC
SentinelOne Static AI – Malicious PE
GData Trojan.Downloader.Apher.Gen
Avira TR/Crypt.FSPM.Gen
Antiy-AVL Trojan/Win32.Unknown
Xcitium TrojWare.Win32.TrojanDownloader.Apher.0700@1h8e4b
Arcabit Trojan.Downloader.Apher.Gen
ZoneAlarm Trojan-Downloader.Win32.WebDown.10
Microsoft TrojanDownloader:Win32/WebDown.H
Google Detected
AhnLab-V3 Win-Trojan/Apher.1312
VBA32 BScope.TrojanDownloader.Small
MAX malware (ai score=84)
Panda Trj/Downloader.GE
APEX Malicious
Rising Trojan.Proxy.Win32.Small.gs (CLASSIC)
Fortinet W32/Dloader.AE!tr
AVG Win32:WebDown-F [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_90% (D)

How to remove TrojanDownloader:Win32/WebDown.H?

  • 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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