PUA.Win32.PcClient.A

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Arrival Details

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Potentially Unwanted Application creates the following folders:

• %User Temp%\ClientUpdate\BakDir
• %System Root%\Program Files\Trip
• %User Temp%\ClientUpdate\TmpDir
• %User Temp%\ClientUpdate

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Dropping Routine

This Potentially Unwanted Application drops the following files:

• %System Root%\Program Files\Trip\pcTest.ini
• %User Temp%\ClientUpdate\TmpDir\pcStartClient.exe.ini
• %User Temp%\0a1912aa42071ed5853dfa23326d0395604d8e24.RunDebug.log

(Note: %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Other Details

This Potentially Unwanted Application connects to the following possibly malicious URL:

• http://www.{BLOCKED}8.com.cn/test/ClientGame/ClientEncode.txt
• http://areaquery.{BLOCKED}a.cn
• http://LinuxStat.{BLOCKED}a.cn
• http://edonkeyserver1.{BLOCKED}0.org
• {BLOCKED}.201.194
• {BLOCKED}1.28.51

This report is generated via an automated analysis system.