ThreatExpert Report: PWS:Win32/OnLineGames.LH

Submission Summary:

Submission details:

Submission received: 6 August 2012, 03:29:29
Processing time: 8 min 47 sec
Submitted sample:

File MD5: 0x659E33AB11E9A6714698D498583AE987
File SHA-1: 0x392F16F7D8AEC101D5E839D3C834B5AD42980725
Filesize: 113,664 bytes
Alias: PWS:Win32/OnLineGames.LH [Microsoft]

Summary of the findings:

What's been found	Severity Level
Hosts file modification that may block access to the security web sites.

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	113,664 bytes	MD5: 0x659E33AB11E9A6714698D498583AE987 SHA-1: 0x392F16F7D8AEC101D5E839D3C834B5AD42980725	PWS:Win32/OnLineGames.LH [Microsoft]
2	%System%\ws2help.dll.xVN.tmp %System%\ws2helpXP.dll	19,968 bytes	MD5: 0x9BEACB911CA61E5881102188AB7FB431 SHA-1: 0x35572B0C3EBEF4DC403322939A1630C28DD47589	(not available)

Note:

%System% is a variable that refers to the System folder. By default, this is C:\Windows\System (Windows 95/98/Me), C:\Winnt\System32 (Windows NT/2000), or C:\Windows\System32 (Windows XP).

The following files were modified:

%System%\drivers\etc\hosts
%System%\ws2help.dll

Memory Modifications

There was a new process created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	307,200 bytes

The following modules were loaded into the address space of other process(es):

Module Name	Module Filename	Address Space Details
ws2help.dll	%Windir%\com	Process name: IEXPLORE.EXE Process filename: %ProgramFiles%\internet explorer\iexplore.exe Address space: 0x10000000 - 0x1001D000
ws2helpXP.dll	%System%\ws2helpXP.dll	Process name: VMwareUser.exe Process filename: %ProgramFiles%\vmware\vmware tools\vmwareuser.exe Address space: 0x71AA0000 - 0x71AA8000

Notes:

%Windir% is a variable that refers to the Windows installation folder. By default, this is C:\Windows or C:\Winnt.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

Registry Modifications

The following Registry Value was modified:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]

AppInit_DLLs =

Other details

Analysis of the file resources indicate the following possible countries of origin:

	China
	Germany

The HOSTS file was updated with the following URL-to-IP mapping:

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