ThreatExpert Report: Trojan.Adclicker, Adware-ISM

Submission Summary:

Submission details:

Submission received: 17 May 2008, 08:01:39
Processing time: 3 min 27 sec
Submitted sample:

File MD5: 0x59B2A3DFCC277B86F738D4693859A028
File SHA-1: 0x5E345C6E6ECC373179687F769ADCE147CA873E2E
Filesize: 189,104 bytes

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
Contains characteristics of an identified security risk.

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risk was identified in the system:

Security Risk	Description
Adware.Adsponsor	Adsponsor is a Browser Helper Object which was installed by other malware. It contacts remote servers and display pop up advertisements. Adsponsor is a potential unwanted software.

Attention! The following threat category was identified:

Threat Category	Description
	A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment

File System Modifications

The following files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%ProgramFiles%\ISM\Uninstall.exe	32,748 bytes	MD5: 0x338040130A4894C4144DB7D95287020A SHA-1: 0xD9D98D7BBEFF41D0FE265D58545437A409851541	(not available)
2	%ProgramFiles%\QdrPack\QdrPack13.exe	352,256 bytes	MD5: 0xACAA7E6DA525C008CCDF7985979DA83B SHA-1: 0x5910F48DD1F8A66843AE10F4FB191D02794BE96F	Trojan.Adclicker [Symantec] Adware-ISM [McAfee]
3	[file and pathname of the sample #1]	189,104 bytes	MD5: 0x59B2A3DFCC277B86F738D4693859A028 SHA-1: 0x5E345C6E6ECC373179687F769ADCE147CA873E2E	(not available)

Note:

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

The following directories were created:

%ProgramFiles%\ISM
%ProgramFiles%\QdrPack

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
QdrPack13.exe	%ProgramFiles%\qdrpack\qdrpack13.exe	368,640 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	184,320 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISM
HKEY_CURRENT_USER\Software\QdrPack

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ISM]

DisplayName = "Internet Speed Monitor"
UninstallString = "%ProgramFiles%\ISM\Uninstall.exe"

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]

QdrPack13 = ""%ProgramFiles%\QdrPack\QdrPack13.exe""

so that QdrPack13.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\QdrPack]

Installed = 0x00000001
Registered = 0x00000001
Version = 0x0000000D
InstallDt = 0x0000363D

Other details

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

http://berlinads3.com/venora/we-connect.php

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