PUA:Win32/NetFilter removal tips

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.

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:

How to determine PUA:Win32/NetFilter?

File Info:
crc32: 494E87E9md5: 7b43585a352ee3ec381660a011b85225name: internet-filter-1.9.10-setup.exesha1: 3595fd02feef620dcff16c30d7ad1606ed9116a2sha256: 5ab9c53d23185f786ca487de356e6ffe08d9e2fb5a96bb00656c4c5216f649e0sha512: 718fcf7f50a6af56a96de703fc64afb678437d28d1c928b579ca9e41f3aade455f84d5db4fdd10e0f797a6f06440c61f6a1f652957e988f1639e505596be588cssdeep: 98304:1OIuVe6WS2ouQ7vZRSfLK7hDMSbZRDBGppVCZDCYDW+xzg1/qG/M93C2QcG+GgF:1323u0BRSTWFm/gCYiwW/Hr2ugj+ctype: 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:

How to remove PUA:Win32/NetFilter?

• 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.