ThreatExpert Report: Adware.WhenU_SaveNow, not-a-virus:AdWare.Win32.SaveNow.h, Adware-SaveNow

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Submission Summary:

Submission details:

Submission received: 24 May 2008, 08:29:50
Processing time: 3 min 25 sec
Submitted sample:

File MD5: 0x516A5D7DF1FD91A8070BEDF0B82E2166
File SHA-1: 0xF46E83B1AA8B6EC2A5B5E70D4ED9B8775F0BAC54
Filesize: 139,264 bytes
Alias:

Adware.WhenU_SaveNow [PCTools]
not-a-virus:AdWare.Win32.SaveNow.h [Kaspersky Lab]
Adware-SaveNow [McAfee]

Summary of the findings:

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

Technical Details:

Possible Security Risk

Attention! Characteristics of the following security risks were identified in the system:

Security Risk	Description
Adware.WhenU_SaveNow	SaveNow shows targeted pop-up advertisements and coupons based on user's Internet surfing habits. It is usually distributed with other third party software such as BearShare.
Adware.Component.WhenU	Common Components shared between WhenU products like ClockSync, SaveNow, SideFinder and WeatherCast.

Attention! The following threat category was identified:

Threat Category	Description
	A potentially unwanted adware program designed to deliver various advertisements to the users' systems

File System Modifications

The following file was created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	[file and pathname of the sample #1]	139,264 bytes	MD5: 0x516A5D7DF1FD91A8070BEDF0B82E2166 SHA-1: 0xF46E83B1AA8B6EC2A5B5E70D4ED9B8775F0BAC54	Adware.WhenU_SaveNow [PCTools] not-a-virus:AdWare.Win32.SaveNow.h [Kaspersky Lab] Adware-SaveNow [McAfee]

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]	147,456 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WUSN.1
HKEY_CURRENT_USER\Software\WhenU
HKEY_CURRENT_USER\Software\WhenU\Weather

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WUSN.1]

WUSN_Id = 0D A3 A6 F3 EF B7 56 4A BF 9A 2E 8D 84 40 9C FC

[HKEY_CURRENT_USER\Software\WhenU\Weather]

InstallTime = "20080107151459"
nagCount = "1"
timeHeartbeat = "20080107231500"

Other details

To mark the presence in the system, the following Mutex objects were created:

WhenU_WeatherCast_SharedMutex
_!SHMSFTHISTORY!_

The following port was open in the system:

Port	Protocol	Process
1040	UDP	[file and pathname of the sample #1]

The following Internet Connections were established:

Server Name	Server Port	Connect as User	Connection Password
web.whenu.com	80	(null)	(null)
app.whenu.com	80	(null)	(null)

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