Categories: Trojan

Win32/TrojanProxy.JpiProx.B removal

The Win32/TrojanProxy.JpiProx.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 Win32/TrojanProxy.JpiProx.B virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • Performs HTTP requests potentially not found in PCAP.
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to modify proxy settings
  • Deletes executed files from disk
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Win32/TrojanProxy.JpiProx.B?


File Info:

name: 87B7F8C291442F5F11B1.mlwpath: /opt/CAPEv2/storage/binaries/64264c4b295533c9a7bab81b135c499da538ea6e71687d1d2012987fd1c5bfbdcrc32: F93CEBD3md5: 87b7f8c291442f5f11b14635241a6776sha1: 06c947de9d0db8cd29f9478c2ab32358f0ade7fcsha256: 64264c4b295533c9a7bab81b135c499da538ea6e71687d1d2012987fd1c5bfbdsha512: 4600262149754e81c0a16bd8c195ffeaa02ca4b276e480774057a82a0cff39480b14624d107498e3f6e2fd9fa570b0dcb536deecdc783178d6dcca95359e4e64ssdeep: 12288:h1OgLdaO9uunhwyAcnpDcorrLWweor+SVhZJy5rzELMMzUDX3WsN1eotj:h1OYdaOouRx+oz5HVhuzAVoLHXtjtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16A15012279E1C472D65310318A98AFE1F5F9F6240B31458BBBD90E2D7F39AA1D327742sha3_384: 992a80997c2414969fb136bb313b0877cddd74ad94de17f1ad62adc501d08c069e193f935db17c8790d38748c9d9c577ep_bytes: 558bec6aff68e0b94100682c4a410064timestamp: 2010-11-18 16:27:35

Version Info:

CompanyName: Igor PavlovFileDescription: 7z Setup SFXFileVersion: 9.20InternalName: 7zS.sfxLegalCopyright: Copyright (c) 1999-2010 Igor PavlovOriginalFilename: 7zS.sfx.exeProductName: 7-ZipProductVersion: 9.20Translation: 0x0409 0x04b0

Win32/TrojanProxy.JpiProx.B also known as:

Bkav W32.AIDetectMalware
MicroWorld-eScan Dropped:Trojan.GenericKD.1747035
ClamAV Win.Trojan.Bicololo-11
FireEye Dropped:Trojan.GenericKD.1747035
CAT-QuickHeal TrojanDropper.Haed.A5
Skyhigh BehavesLike.Win32.PUPXGI.cc
McAfee Artemis!87B7F8C29144
VIPRE Dropped:Trojan.GenericKD.1747035
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus Proxy-Program ( 004efb261 )
Alibaba Trojan:Win32/JpiProx.725ddc9b
K7GW Proxy-Program ( 004efb261 )
Arcabit Trojan.Generic.D1AA85B
BitDefenderTheta Gen:NN.ZexaF.36680.tuW@a84KZlpi
VirIT Trojan.Win32.MulDrop5.TFB
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/TrojanProxy.JpiProx.B
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan.Win32.Wepa.b
BitDefender Dropped:Trojan.GenericKD.1747035
NANO-Antivirus Trojan.Win32.Wepa.dbicod
Avast Win32:Malware-gen
Emsisoft Dropped:Trojan.GenericKD.1747035 (B)
F-Secure Trojan.TR/Rogue.327168.3
DrWeb Trojan.Siggen6.19313
Sophos Generic Reputation PUA (PUA)
Varist W32/Trojan.AMNU-6634
Avira ADWARE/Adware.Gen7
Antiy-AVL Trojan/Win32.Wepa
Kingsoft Win32.Trojan.Wepa.a
Xcitium TrojWare.Win32.Wepa.CDE@5hxtmg
Microsoft Trojan:Win32/Emotet!ml
ZoneAlarm Trojan.Win32.Wepa.b
GData Dropped:Trojan.GenericKD.1747035
Google Detected
ALYac Dropped:Trojan.GenericKD.1747035
VBA32 Adware.MultiPlug
Malwarebytes Generic.Malware.AI.DDS
Panda Trj/CI.A
Rising Trojan.Proxy-JpiProx!8.32BC (TFE:5:lZ5MKAlHaPJ)
Yandex PUA.Agent!oLP4FA1o/W4
Ikarus PUA.Monetizer.Gen7
MaxSecure Adware.JS.MultiPlug.P
Fortinet W32/Wepa.B!tr
AVG Win32:Malware-gen
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_70% (W)

How to remove Win32/TrojanProxy.JpiProx.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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