Malware

Win32/NetFilter.A potentially unsafe removal tips

Malware Removal

The Win32/NetFilter.A potentially unsafe 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32/NetFilter.A potentially unsafe 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 (13 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:

api.internet-filter.ru
ya.ru
linode.com
internet-filter.ru
www.google-analytics.com
counter.yadro.ru
www.intergram.xyz
www.bing.com
ocsp.digicert.com
stats.g.doubleclick.net
ocsp.pki.goog
g2.symcb.com
vassg142.ocsp.omniroot.com

How to determine Win32/NetFilter.A potentially unsafe?


File Info:

crc32: 0CAE1898
md5: 095cf258ef5e32aa8698effe12e6bb7e
name: internet-filter-1.9.14.1-setup.exe
sha1: 55666a45f9b365e73b3616ea32e9edcbcee5d97b
sha256: a53bc8d931d2c90df67e0a5a3a0535230c619601df0008a523d73ca9343a513d
sha512: b67870b44d5874633cce9d62541a9b5c29bbbb167e74210b4ab986c73628c8865eb111e476af19410d6a2ece771884b1a69b26689d0ca704593e1e3202949a35
ssdeep: 98304:/YQMCTirD6EQRn1ErWLudVocF2tcO7wyKwVJffpcLOAvc71zROyc7:AQwf6EKn1Er4uf2tcOsyKwV1BDAsjc7
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright:
FileVersion: 1.9.14.1
CompanyName: Sib-Telecom Ltd.
Comments: This installation was built with Inno Setup.
ProductName: Internet Filter
ProductVersion: 1.9.14.1
FileDescription: "Internet Filter" content filtering system
Translation: 0x0000 0x04b0

Win32/NetFilter.A potentially unsafe also known as:

McAfeeArtemis!095CF258EF5E
CylanceUnsafe
AegisLabRiskware.Win64.NetFilter.1!c
K7AntiVirusUnwanted-Program ( 004b8f461 )
K7GWUnwanted-Program ( 004b8f461 )
SymantecML.Attribute.HighConfidence
SophosGeneric PUA FF (PUA)
McAfee-GW-EditionArtemis
CyrenW32/NetFilter-PUA.A.gen!Eldorado
MicrosoftPUA:Win32/NetFilter
VBA32NetTool.NetFilter
ESET-NOD32a variant of Win32/NetFilter.A potentially unsafe
RisingMalware.Heuristic!ET#77% (RDMK:cmRtazo261EfgiY/J6WC3JcA//2a)
YandexRiskware.NetTool!
FortinetRiskware/NetFilter
AVGFileRepMetagen [PUP]
Paloaltogeneric.ml

How to remove Win32/NetFilter.A potentially unsafe?

Win32/NetFilter.A potentially unsafe 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.

About the author

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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