Backdoor:WinNT/Knockex!rfn (file analysis)

The Backdoor:WinNT/Knockex!rfn 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 Backdoor:WinNT/Knockex!rfn virus can do?

• Reads data out of its own binary image
• Drops a binary and executes it
• The binary likely contains encrypted or compressed data.
• Installs itself for autorun at Windows startup
• Network activity detected but not expressed in API logs

Related domains:

How to determine Backdoor:WinNT/Knockex!rfn?

File Info:
crc32: 17347DBCmd5: 91027dd7468e8836631a8793d73164fdname: upload_filesha1: 02482738aebf223e424f34dfe9eefc55671caf65sha256: b87295a4b2fb2d2f4df9d502d52e2f50a5e9b3ba9f56b17e252fa0f3022ae6f4sha512: 4e6657921dad88c4f51e70809ccc6d661c7c545084f8a09591625a783fb6859c1b9db820f958cb62b2e1a333d43e326d8922fd6103bea19c7645058156e07f8assdeep: 98304:nviz/27qWGq/TzuqCDl2Ptao7jsyqRgkhPsj9Nr:nviq75/TzufI8PeNrtype: PE32 executable (GUI) Intel 80386, for MS Windows
Version Info:
LegalCopyright: xa9 Microsoft Corporation. All rights reserved.InternalName: Wextract                FileVersion: 11.00.17763.1 (WinBuild.160101.0800)CompanyName: Microsoft CorporationProductName: Internet ExplorerProductVersion: 11.00.17763.1FileDescription: Win32 Cabinet Self-Extractor                                           OriginalFilename: WEXTRACT.EXE            .MUITranslation: 0x0409 0x04b0

Backdoor:WinNT/Knockex!rfn also known as:

How to remove Backdoor:WinNT/Knockex!rfn?

• 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.