ThreatExpert Report: TROJ_DLOADER.FXN, Adware-ISM

Submission Summary:

Submission details:

Submission received: 14 July 2008, 05:02:09
Processing time: 3 min 28 sec
Submitted sample:

File MD5: 0x2F885580183D0DA5FC184FDF15300F88
File SHA-1: 0xA1353763A1CD8E769A16C392361FD9B25D91F011
Filesize: 191,698 bytes
Alias: TROJ_DLOADER.FXN [Trend Micro]

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.

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: 0xCE3CEED960AEEF30F21E1D2226421011 SHA-1: 0x8454008C4F936040192548C1EDAA55F903F7627E	(not available)
2	%ProgramFiles%\QdrPack\QdrPack17.exe	360,448 bytes	MD5: 0xE7127961A89EEF6731876E9DA1C29211 SHA-1: 0x5C75B86724C89C86D9032BBA7AC2DBD0D800D761	Adware-ISM [McAfee]
3	[file and pathname of the sample #1]	191,698 bytes	MD5: 0x2F885580183D0DA5FC184FDF15300F88 SHA-1: 0xA1353763A1CD8E769A16C392361FD9B25D91F011	TROJ_DLOADER.FXN [Trend Micro]

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
QdrPack17.exe	%ProgramFiles%\qdrpack\qdrpack17.exe	376,832 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]

QdrPack17 = ""%ProgramFiles%\QdrPack\QdrPack17.exe""

so that QdrPack17.exe runs every time Windows starts

[HKEY_CURRENT_USER\Software\QdrPack]

Installed = 0x00000001
Version = 0x00000011
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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