PUA:Win32/NetFilter removal tips

Malware Removal

The PUA:Win32/NetFilter 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 PUA:Win32/NetFilter virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (10 unique times)
  • Loads a driver
  • Starts servers listening on 127.0.0.1:50001
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Attempts to modify proxy settings
  • Created a service that was not started

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.internet-filter.ru
ya.ru
linode.com
internet-filter.ru
www.google-analytics.com
www.intergram.xyz
counter.yadro.ru
ocsp.digicert.com
www.bing.com
ss.symcd.com

How to determine PUA:Win32/NetFilter?


File Info:

crc32: 494E87E9
md5: 7b43585a352ee3ec381660a011b85225
name: internet-filter-1.9.10-setup.exe
sha1: 3595fd02feef620dcff16c30d7ad1606ed9116a2
sha256: 5ab9c53d23185f786ca487de356e6ffe08d9e2fb5a96bb00656c4c5216f649e0
sha512: 718fcf7f50a6af56a96de703fc64afb678437d28d1c928b579ca9e41f3aade455f84d5db4fdd10e0f797a6f06440c61f6a1f652957e988f1639e505596be588c
ssdeep: 98304:1OIuVe6WS2ouQ7vZRSfLK7hDMSbZRDBGppVCZDCYDW+xzg1/qG/M93C2QcG+GgF:1323u0BRSTWFm/gCYiwW/Hr2ugj+c
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 1.9.10.0
CompanyName: Sib-Telecom Ltd.
Comments: This installation was built with Inno Setup.
ProductName: Internet Filter
ProductVersion: 1.9.10.0
FileDescription: "Internet Filter" content filtering system
Translation: 0x0000 0x04b0

PUA:Win32/NetFilter also known as:

McAfeeArtemis!7B43585A352E
CylanceUnsafe
SymantecTrojan.Gen.2
AlibabaAdWare:Win32/NetFilter.bd7a0e4c
NANO-AntivirusTrojan.Win64.NetFilter.ebipcs
AegisLabRiskware.Win64.NetFilter.1!c
RisingMalware.Heuristic!ET#82% (RDMK:cmRtazpnFgsqhYW3KbM9gnspQqOp)
SophosGeneric PUA DF (PUA)
ZillyaAdware.NetFilterCRTD.Win32.4764
McAfee-GW-EditionArtemis!PUP
CyrenW32/NetFilter-PUA.A.gen!Eldorado
MaxSecureTrojan.Malware.11446382.susgen
MicrosoftPUA:Win32/NetFilter
ESET-NOD32a variant of Win32/NetFilter.A potentially unsafe
YandexRiskware.NetTool!
FortinetRiskware/NetFilter
AVGFileRepMetagen [PUP]

How to remove PUA:Win32/NetFilter?

PUA:Win32/NetFilter 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.

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