ThreatExpert Report: AdWare.Win32.Kwsearchguide

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Submission Summary:

Submission details:

Submission received: 21 September 2012, 01:23:11
Processing time: 7 min 53 sec
Submitted sample:

File MD5: 0x8981D1D34968A6119F4C363EA97E5B76
File SHA-1: 0xE454C892C6DC41FEB52ED9394B060B80B95D669C
Filesize: 245,760 bytes
Alias: AdWare.Win32.Kwsearchguide [Ikarus]

Technical Details:

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%ProgramFiles%\KoreanKeyword\WKK_uninstaller.exe	98,344 bytes	MD5: 0xF5D63DF522ECBA03668E7B10F50B6515 SHA-1: 0x849353FF0D1BE750C14EBBE771163E2796AF4707	(not available)
2	[file and pathname of the sample #1]	245,760 bytes	MD5: 0x8981D1D34968A6119F4C363EA97E5B76 SHA-1: 0xE454C892C6DC41FEB52ED9394B060B80B95D669C	AdWare.Win32.Kwsearchguide [Ikarus]

Note:

%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

The following directory was created:

%ProgramFiles%\KoreanKeyword

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
[filename of the sample #1]	[file and pathname of the sample #1]	249,856 bytes
WinKeyword_Up.exe	%ProgramFiles%\KoreanKeyword\WinKeyword_Up.exe	114,688 bytes
IEXPLORE.EXE	%ProgramFiles%\Internet Explorer\IEXPLORE.EXE	102,400 bytes
wkk_uninstaller.exe	%ProgramFiles%\koreankeyword\wkk_uninstaller.exe	90,112 bytes

Other details

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

Republic of Korea

To mark the presence in the system, the following Mutex object was created:

_SHuassist.mtx

The following Host Name was requested from a host database:

192.5.5.241

The data identified by the following URLs was then requested from the remote web server:

http://mng.koreankeyword.com/log_progress.php?client=id02&action=install&target=0
http://www.naver.com
http://app.koreankeyword.com/files.php?client=id02
http://www.google.com
http://mng.koreankeyword.com/log_progress.php?client=id02&action=uninstall&target=0

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