ThreatExpert Report: Adware.WhenU_SaveNow, Adware.Savenow, not-a-virus:WebToolbar.Win32.WhenU.a..

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Submission Summary:

Submission details:

Submission received: 31 March 2009, 08:25:55
Processing time: 8 min 19 sec
Submitted sample:

File MD5: 0x376FBD346ED26258DCC73293EA4DF2A6
File SHA-1: 0x448F6F90E306633FDA24ABFD8E4751E2319CCA2D
Filesize: 105,848 bytes
Alias:

Adware.WhenU_SaveNow [PCTools]
Adware.Savenow [Symantec]
not-a-virus:WebToolbar.Win32.WhenU.a [Kaspersky Lab]
Generic.dx [McAfee]
Adware:Win32/WhenU.gen [Microsoft]
not-a-virus:AdWare.Win32.SaveNow.bo [Ikarus]

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 risk was 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.

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]	105,848 bytes	MD5: 0x376FBD346ED26258DCC73293EA4DF2A6 SHA-1: 0x448F6F90E306633FDA24ABFD8E4751E2319CCA2D	Adware.WhenU_SaveNow [PCTools] Adware.Savenow [Symantec] not-a-virus:WebToolbar.Win32.WhenU.a [Kaspersky Lab] Generic.dx [McAfee] Adware:Win32/WhenU.gen [Microsoft] not-a-virus:AdWare.Win32.SaveNow.bo [Ikarus]

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
VVSN.exe	%ProgramFiles%\VVSN\VVSN.exe	122,880 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	110,592 bytes

Note:

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

Other details

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

WhenU_VVSN_1_0_SharedMutex

The following Internet Connections were established:

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

The following GET requests were made:

AppInstall?app=VVSN&url=LOFS020701&id=847F7134EC0D4C85BD30D397CB9B082D&ui=JH
vvsn/LOFS020701/vsn.cfg
AppInstall?app=VVSN_CFG&url=LOFS020701&id=847F7134EC0D4C85BD30D397CB9B082D&ui=QF

The following HTTP URL was started reading:

http://www.whenudownloads.com/vvsn/prod/WUSVInst.exe

Downloaded File Summary:

Download details:

Download retrieved: 31 March 2009 08:34:15
Processing time: 7 min 48 sec
Downloaded sample:

File MD5: 0xA3D29CF0F60AC9732079279068119473
File SHA-1: 0x9A0C88CC536494ABEEF64CA94FB0F69C61A68C99
Filesize: 851,320 bytes
Alias:

Adware.WhenU.AQ [PCTools]
Adware.Savenow [Symantec]
not-a-virus:WebToolbar.Win32.WhenU.a [Kaspersky Lab]
Generic.dx [McAfee]

Summary of the findings:

What's been found	Severity Level
Downloads/requests other files from Internet.
Creates a startup registry entry.
Registers a 32-bit in-process server DLL.
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.VB	Adware.VB is a generic detection for adware programs compiled in Visual Basic. It displays popup advertisements and may download other adware and spyware without the users knowledge.
Adware.Component.WhenU	Common Components shared between WhenU products like ClockSync, SaveNow, SideFinder and WeatherCast.
Adware.SaveNow!sd6	Adware.SaveNow!sd6 is a potentially unwanted adware program that could be used to display various pop-up advertisements.

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 files were created in the system:

#	Filename(s)	File Size	File Hash	Alias
1	%Programs%\WhenU\Customer Support.lnk	1,496 bytes	MD5: 0x20B6A014E31882B15E871C407A175AE5 SHA-1: 0x3C8A228256216DA3F15646D6B365FA4FE0DA83B0	(not available)
2	%Programs%\WhenU\Learn More About WhenU Save.url	94 bytes	MD5: 0xEC820BE8444B76C50ACCD4690F15CACF SHA-1: 0x6977CAC2EF7BE6930ACF45D481C016E3B8BF3E6B	(not available)
3	%Programs%\WhenU\Learn More About WhenU SaveNow.url	97 bytes	MD5: 0x8BC2410B2DE61406BA199D7DC82B3A91 SHA-1: 0x1DF7A5DC24B40591E231F661E89AA2F81457FD8C	(not available)
4	%Programs%\WhenU\Uninstall Instructions.lnk	1,496 bytes	MD5: 0xD92B07FC0491282987A56C6B1661F43A SHA-1: 0x58865D2F75FBAA2A7BE901206BBCC2F4541D5FE1	(not available)
5	%Programs%\WhenU\WhenU.com Website.url	76 bytes	MD5: 0xA6E6230017428EF9F38268267BFC32DE SHA-1: 0xB0846252C2456F90BB7FF5C31BF79165829B1DD5	(not available)
6	%ProgramFiles%\Save\ACM.dll	516,472 bytes	MD5: 0xAD616A7E4A5306582E0F7363E36E0E75 SHA-1: 0x33C78E3161F1D59AA14005D058844138B6B71913	Adware.WhenU_SaveNow [PCTools] Adware.Savenow [Symantec] not-a-virus:WebToolbar.Win32.WhenU.i [Kaspersky Lab] Adware-SaveNow [McAfee] Adware:Win32/WhenU.A [Microsoft] not-a-virus:AdTool.Win32.WhenU.i [Ikarus]
7	%ProgramFiles%\Save\ffext.mod	12,814 bytes	MD5: 0x501D4C0B7D3C5449210007EC658C47ED SHA-1: 0x1201DB4A4DABEA7DFDE53AC2107CD00074274167	Adware.WhenU_SaveNow [PCTools] Adware.Savenow [Symantec] not-a-virus:WebToolbar.Win32.WhenU.z [Kaspersky Lab] Virus.Win32.AdWare [Ikarus]
8	%ProgramFiles%\Save\Save.exe	803,184 bytes	MD5: 0x47754BF98FD5A4BC05C3B08221D6426A SHA-1: 0xC533F42FCA267458C489077B8DDC12F1A64526FD	Adware.WhenU_SaveNow [PCTools] Adware.Savenow [Symantec] not-a-virus:WebToolbar.Win32.WhenU.y [Kaspersky Lab] Adware-SaveNow [McAfee] Adware:Win32/WhenU.A [Microsoft] not-a-virus:AdTool.Win32.WhenU.i [Ikarus]
9	%ProgramFiles%\Save\save.htm	135,229 bytes	MD5: 0x64A8BEC37176AC27F4F5781139C9D744 SHA-1: 0xE01493BB480EDDE0D563D9F9C76886BC8D9EE186	HTML.Pestblock [Ikarus]
10	%ProgramFiles%\Save\SaveUninst.exe	118,200 bytes	MD5: 0x7AADCB4EB4B8EBDA8BE77548754427DA SHA-1: 0xC5610CD5AC119E395E843FE1C0893ACD1141EBE1	Adware.SaveNow!sd6 [PCTools] Adware.Savenow [Symantec] Adware-SaveNow [McAfee] Adware:Win32/WhenU.A [Microsoft] Virus.Win32.Trojan [Ikarus]
11	[file and pathname of the sample #1]	851,320 bytes	MD5: 0xA3D29CF0F60AC9732079279068119473 SHA-1: 0x9A0C88CC536494ABEEF64CA94FB0F69C61A68C99	Adware.WhenU.AQ [PCTools] Adware.Savenow [Symantec] not-a-virus:WebToolbar.Win32.WhenU.a [Kaspersky Lab] Generic.dx [McAfee]

Notes:

%Programs% is a variable that refers to the file system directory that contains the user's program groups. A typical path is C:\Documents and Settings\[UserName]\Start Menu\Programs.
%ProgramFiles% is a variable that refers to the Program Files folder. A typical path is C:\Program Files.

The following directories were created:

%Programs%\WhenU
%ProgramFiles%\Save

Memory Modifications

There were new processes created in the system:

Process Name	Process Filename	Main Module Size
Save.exe	%ProgramFiles%\Save\Save.exe	827,392 bytes
[filename of the sample #1]	[file and pathname of the sample #1]	864,256 bytes

Registry Modifications

The following Registry Keys were created:

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\ACM.DLL
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{127DF9B4-D75D-44A6-AF78-8C3A8CEB03DB}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\TypeLib
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory.1\CLSID
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SaveNow
HKEY_LOCAL_MACHINE\SOFTWARE\WhenUSave
HKEY_LOCAL_MACHINE\SOFTWARE\WhenUSave\Partners
HKEY_LOCAL_MACHINE\SOFTWARE\WhenUSave\Partners\WUSV

The newly created Registry Values are:

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\ACM.DLL]

AppID = "{127DF9B4-D75D-44A6-AF78-8C3A8CEB03DB}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\{127DF9B4-D75D-44A6-AF78-8C3A8CEB03DB}]

(Default) = "ACM"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\VersionIndependentProgID]

(Default) = "ACM.ACMFactory"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\TypeLib]

(Default) = "{DF901432-1B9F-4F5B-9E56-301C553F9095}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\ProgID]

(Default) = "ACM.ACMFactory.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}\InprocServer32]

(Default) = "%ProgramFiles%\Save\ACM.dll"
ThreadingModel = "Apartment"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}]

(Default) = "ACMFactory Class"
AppID = "{127DF9B4-D75D-44A6-AF78-8C3A8CEB03DB}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\TypeLib]

(Default) = "{DF901432-1B9F-4F5B-9E56-301C553F9095}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{43382522-A846-46F4-AC57-1F71AE6E1086}]

(Default) = "IFetchExtractor"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\TypeLib]

(Default) = "{DF901432-1B9F-4F5B-9E56-301C553F9095}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{572FB162-C0BA-4EDF-8CFF-E3846153B9B0}]

(Default) = "IACMFactory"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\TypeLib]

(Default) = "{DF901432-1B9F-4F5B-9E56-301C553F9095}"
Version = "1.0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\ProxyStubClsid32]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}\ProxyStubClsid]

(Default) = "{00020424-0000-0000-C000-000000000046}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{72A836D1-BC00-43C0-A941-17960E4FB842}]

(Default) = "IFetchData"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\0\win32]

(Default) = "%ProgramFiles%\Save\ACM.dll"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\HELPDIR]

(Default) = "%ProgramFiles%\Save\"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0\FLAGS]

(Default) = "0"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{DF901432-1B9F-4F5B-9E56-301C553F9095}\1.0]

(Default) = "ACM 1.0 Type Library"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory\CurVer]

(Default) = "ACM.ACMFactory.1"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory\CLSID]

(Default) = "{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory]

(Default) = "ACMFactory Class"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory.1\CLSID]

(Default) = "{A9AAE1AB-9688-42C5-86F5-C12F6B9015AD}"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\ACM.ACMFactory.1]

(Default) = "ACMFactory Class"

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

DisplayIcon = "%ProgramFiles%\Save\Save.exe,1"
DisplayName = "WhenU SaveNow"
DisplayVersion = "4.20"
HelpLink = "http://www.whenu.com"
Publisher = "WhenU.com, Inc."
UninstallString = ""%ProgramFiles%\Save\SaveUninst.exe" /rWUSV /kSaveNow /d"WhenU SaveNow""
UrlInfoAbout = "http://www.whenu.com"

[HKEY_LOCAL_MACHINE\SOFTWARE\WhenUSave\Partners\WUSV]

Partner = "WUSV0602"
InstallTime = "20090331083440"
PartnerDesc = "WhenU SaveNow"
PartnerParam = "dt=WhenU SaveNow;q=;i=1"

[HKEY_LOCAL_MACHINE\SOFTWARE\WhenUSave]

db_script_update = "1002700877"
InstallDir = "%ProgramFiles%\Save"
pats_url = "http://akapp.whenu.com/OffersDataGZ"
pat_chunks_url = "http://akapp.whenu.com/DataChunksGZ"
script_url = "http://akweb.whenu.com/offscript2.html"
update_url = "http://akdwl.whenu.com/saveupdate.exe"
ver_url = "http://www.whenu.com/versions.html"
Version = "4.22"
timedDBUpdate_rs = "Y"
SystemParam_rs = "dt=WhenU Save;q=;i=1"
uninst_rs = "4.2202"
extra_url = "http://www.whenudownloads.com/extra.exe"
extraver_url = "http://www.whenudownloads.com/extraver.html"
ziptomsa_url = "http://akapp.whenu.com/ziptomsa"
InstallTime = "20090331083440"
LastPartner = "WUSV0602"
SetupCmdLine = "http://web.whenu.com/Offers?iou=i&clp=WUSV0602&pip=0"
zip = ""
uninstall_cmd_rs = "/rWUSV /kSaveNow /d"WhenU SaveNow""
acm_rs = "1.05"
TotalPartner = "1"
newuser_rs = "Y"

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

WhenUSave = ""%ProgramFiles%\Save\Save.exe""

so that Save.exe runs every time Windows starts

Other details

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

WhenU_WhenUSave_SharedMutex
_!SHMSFTHISTORY!_

The following Internet Connection was established:

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

The following GET requests were made:

installed.html?app=whenusavenow&ptr=WUSV0602&pds=WhenU%20SaveNow&toi=20090331083440
index.jpg

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