How to remove “PUP.Optional.Hao123”?

The PUP.Optional.Hao123 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.Hao123 virus can do?

• Executable code extraction
• Attempts to connect to a dead IP:Port (4 unique times)
• Presents an Authenticode digital signature
• Creates RWX memory
• A process attempted to delay the analysis task.
• At least one IP Address, Domain, or File Name was found in a crypto call
• Reads data out of its own binary image
• A process created a hidden window
• Attempts to modify Internet Explorer’s start page
• Drops a binary and executes it
• Performs some HTTP requests
• Unconventionial binary language: Chinese (Simplified)
• Unconventionial language used in binary resources: Chinese (Simplified)
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Uses Windows utilities for basic functionality
• Tries to unhook or modify Windows functions monitored by Cuckoo
• Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
• Steals private information from local Internet browsers
• Installs itself for autorun at Windows startup

Related domains:

How to determine PUP.Optional.Hao123?

File Info:
crc32: C919FB1C
md5: 324b775b0fba4b9ecc032f20d450de51
name: hao123inst-thailand-etype.exe
sha1: 8c874d77ed9c506acd76b87532a5bf851c61ab33
sha256: 26d9794bf4e9d647c28764e74afa4546335bf425d705dd32faf57af6f7b8a48e
sha512: 4a781c9794d00288ba7071cce8c5205913dd4b113684b7f94bad650bfbbb48b4412850c33b754ba83288c9ec2829098f518f4c6ff1b81a5cc086771bdb4c02af
ssdeep: 6144:yMOV3HpTrzeBrlhxzeYV3ivAecRVmZmQU2NpGZ50A:bUfze9heyyvmg+2rA
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:
LegalCopyright: (C) 2011 Baidu.comx3002All Rights Reserved.
InternalName: hao123Inst.exe
FileVersion: 1.0.0.1106
CompanyName: Baidu.com
ProductName: hao123 Desktop Shortcut
ProductVersion: 1.0.0.1106
FileDescription: hao123 Desktop Shortcut
OriginalFilename: hao123Inst.exe
Translation: 0x0804 0x03a8

PUP.Optional.Hao123 also known as:

How to remove PUP.Optional.Hao123?

• 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.