PUP.Optional.Webserver.HFS (file analysis)

The PUP.Optional.Webserver.HFS 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 PUP.Optional.Webserver.HFS virus can do?

• Creates RWX memory
• Starts servers listening on 0.0.0.0:80
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Anomalous binary characteristics

How to determine PUP.Optional.Webserver.HFS?

File Info:
crc32: 64CB34E2
md5: 45f05edc396b80d9157564c1e27662e5
name: 45F05EDC396B80D9157564C1E27662E5.mlw
sha1: f15832986cd0cd6e6f00018811cdd20158c30ced
sha256: 3161531ca77928bc1850253396dbcfb60fb9ca7cd6544a6d6d8b67bc977d162a
sha512: 64979d307c263e5a7d2b2b09b2c1ddca71f92aa6831b265a037033ffad771e686b58d8c8c839cd6c530b8cc3ff9d98661c91b3462ba6eb99a96db8a75ce7b41d
ssdeep: 24576:4qnW/wwzHeKN683oyI9qaAeUXH0FBEehWv3c:4qnMNOyI9q+UXH0bzWc
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: Copyright (C) 2002-2010  Massimo Melina (www.rejetto.com)
InternalName: HFS
FileVersion: 2.3.0.0
CompanyName: rejetto
LegalTrademarks: 
Comments: 
ProductName: Http File Server x968fx6ce2x6c49x5316x7248
ProductVersion: 2.3
FileDescription: 
OriginalFilename: hfs.exe
Translation: 0x0804 0x03a8

PUP.Optional.Webserver.HFS also known as:

How to remove PUP.Optional.Webserver.HFS?

• 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.