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Adware/BHO/Agent.ay

Alias: Win32.SillyDl.EJ, ABetterInternet, TrojanDownloader.Win32.Stubby.a, Trj/Downloader.L, Win32/TrojanDownloader.Stubby.A trojan

Description: Adware/BHO/Agent.ay shows advertisements related the web pages you are visiting. Adware/BHO/Agent.ay hijacks the browser's error page, updates itself stealthily, installs third party software and adds links to your desktop. From the developers Agreement: 'By installing the Software, you understand and agree that the Software may, without any further prior notice to you, automatically perform the following: display advertisements of advertisers who pay a fee to BetterInternet; display links to and advertisements of related websites based on the information you view and the websites you visit; store non-personally identifiable statistics of the websites you have visited; redirect certain URLs including your browser default 404-error page to or through the Software; automatically update the Software and install added features or functionality conveniently without your input or interaction; and install desktop icons and installation files and third-party software.'

Threat type:

Adware - Adware is a software application which displays advertisements on your computer. Advertisements can be displayed through pop-up / pop-under windows, additional bars or toolbars, underlined links or buttons that appear on a computer screen. Adware applications include additional code that delivers the ads. Adware authors earn money when users click on those ads. Occasionally, adware includes code that tracks user's site visits and passes it to third parties without the user's permission or knowledge.

BHO - A Browser Helper Object (BHO) is a software application that runs automatically whenever you start Internet Explorer. Browser Helper Objects are typically installed by other programs such as toolbar accessories and can track internet usage, create popup windows, display additional information on a viewed page and collect information that is transmitted by you over the internet. Malicious software that exploits this technology can replace banner advertisements with other ads, monitor your actions, change your home page, etc.


Advice: Remove This is a very high risk threat and should be removed immediately as to prevent harm to your computer or your privacy.

Detection:
SpyNoMore detects Adware/BHO/Agent.ay: Yes

Threat risk: Medium Risk
SpyNoMore AntiSpyware: Remove Agent.ay, Agent.ay Remover
Potentially dangerous malware. May collect sensitive user information and broadcast data back to a server with "opt-out" permission. Category includes most adware programs.

Symptoms:

Adware/BHO/Agent.ay hides from the user and stays resident in background.



Adware/BHO/Agent.ay Signature Details: The following information includes some of the standard signatures associated with this spyware threat. Please do not attempt to manually remove these items from your computer; Removing these items incorrectly or partially can cause your computer to experience critical errors, prevent your computer from restarting or cause loss of Internet connectivity. Should you be infected with Adware/BHO/Agent.ay, you can clean your computer by downloading SpyNoMore now.

Running Process Signatures:
N/A

File Signatures:
%WINDOWS%\system32\msg{f7c98852-ba58-4a8f-a54f-646c03042b4a}0112.dll
%WINDOWS%\inf\big.inf
%PROFILE%\local settings\temp\thi48cd.tmp\payload2.inf
%PROFILE%\local settings\temp\preinsbi.exe
%WINDOWS%\bi.ini
%WINDOWS%\system\msg{a70745d6-od8c-4a4d-b9b8-c594598d3afd}0112.dll
%WINDOWS%\system\msg{89200fed-9d24-41ca-906fa89e97cba292}0111.dll
%WINDOWS%\system32\59ac6bev.exe
%WINDOWS%\system\msg{f7c98852-ba58-4a8f-a54f-646c03042b4a}0112.dll
%WINDOWS%\inf\bij.inf
%WINDOWS%\inf\bid.inf
%WINDOWS%\inf\bi8.inf
%WINDOWS%\inf\bi.inf
%PROFILE%\local settings\temporary internet files\content.ie5\ot2jqp0h\bi[1].exe
%WINDOWS%\preinsbi.exe
%WINDOWS%\temp\bi.ini
%WINDOWS%\bi.exe
%WINDOWS%\system32\msg{e912ec00-e76a-11d7-a9d1-0050ba0ba538}0111.dll
%PROFILE%\local settings\temp\thi762d.tmp\payload2.inf
%WINDOWS%\system32\msg{b5211e71-7ca6-4cdd-96fc-7d30768858c3}0112.dll
%WINDOWS%\downloaded program files\payload2.inf
%WINDOWS%\system\msg{46a90020-f0d5-11d7-b75c-000ae6dff293}0111.dll
%COMMON_PROGRAMS%\netturbo.lnk
%WINDOWS%\inf\bie.inf
%STARTUP%\cliptrakker.lnk
%PROFILE%\local settings\temp\banner.exe
%WINDOWS%\system\msg{92718eea-cc55-4576-ac52-d377170d24c5}0111.dll
%WINDOWS%\system32\msg{46a90020-f0d5-11d7-b75c-000ae6dff293}0111.dll
%PROFILE%\local settings\temp\alchem.exe
%WINDOWS%\system32\msg{67dc41a0-f3e4-11d7-8fc4-0010dcf3f9b3}0111.dll
%WINDOWS%\system32\apledit.cpy.dll
%PROFILE%\local settings\temp\biini.inf
%WINDOWS%\inf\payload2.inf
%WINDOWS%\inst\3p.exe
%WINDOWS%\system32\msg{e85eacfd-6a79-4643-b02e-2690b134b288}0111.dll
%WINDOWS%\system\msg{486f2c20-e64b-11d7-aaa2-0040058246b3}0111.dll
%PROFILE%\local settings\temp\thi3e53.tmp\payload2.inf
%WINDOWS%\system\msg{10d1ea6f-2635-4aa0-9f1e-c06ab193eca0}0111.dll
%WINDOWS%\system\msg{e912ec00-e76a-11d7-a9d1-0050ba0ba538}0111.dll
%WINDOWS%\system32\msg{92718eea-cc55-4576-ac52-d377170d24c5}0111.dll
%PROFILE%\local settings\temp\belt.exe
%WINDOWS%\lastgood\biprep.exe
%PROFILE%\local settings\temp\bi.inf
%WINDOWS%\temp\biprep.exe
%WINDOWS%\system\msg{67dc41a0-f3e4-11d7-8fc4-0010dcf3f9b3}0111.dll
%WINDOWS%\belt.exe
%PROFILE%\local settings\temp\bi.dll
%PROFILE%\local settings\temp\biprep.exe
%WINDOWS%\system\bi.dll
%WINDOWS%\system32\msg{10d1ea6f-2635-4aa0-9f1e-c06ab193eca0}0111.dll
%WINDOWS%\system32\msg{89200fed-9d24-41ca-906fa89e97cba292}0111.dll
%WINDOWS%\system32\bi.dll
%WINDOWS%\system\msg{e85eacfd-6a79-4643-b02e-2690b134b288}0111.dll
%WINDOWS%\system32\msg{486f2c20-e64b-11d7-aaa2-0040058246b3}0111.dll
%WINDOWS%\bi.dll
%PROFILE%\local settings\temp\bi.ini
%STARTUP%\controller.lnk
%WINDOWS%\system32\msg{5b32dacd-56a9-4ddf-899d-f4419956f855}0112.dll
%WINDOWS%\system32\msg{a54e2100-e1da-11d7-b93a-00096bf2a541}0111.dll
%WINDOWS%\system\msg{5b32dacd-56a9-4ddf-899d-f4419956f855}0112.dll
%WINDOWS%\inf\bi6.inf
%WINDOWS%\inf\dlmax.inf
%WINDOWS%\system32\msg{a70745d6-od8c-4a4d-b9b8-c594598d3afd}0112.dll
%WINDOWS%\system\msg{a54e2100-e1da-11d7-b93a-00096bf2a541}0111.dll
%WINDOWS%\system\msg{f7c98852-ba58-4a8f-a54f-646c03042b4a}0113.dll
%WINDOWS%\jkffegom.ini
%WINDOWS%\system\msg{b5211e71-7ca6-4cdd-96fc-7d30768858c3}0112.dll
%WINDOWS%\temp\bi.dll
%STARTUP%\netturbo.lnk


Registered Dll (Dynamic Link Library) Signatures:
N/A

Folder Signatures:
%PROFILE%\local settings\temp\drtemp
%PROGRAM_FILES%\netturbotrial
%FAVORITES%\sites about
%PROGRAM_FILES%\common files\betterinternet

Registry Signatures:
HKLM\software\classes\clsid\{ddffa75a-e81d-4454-89fc-b9fd0631e726}
HKCR\interface\{bb0d5adc-028d-4185-9288-722ddce2c757}
HKLM\software\microsoft\windows\currentversion\explorer\browser helper objects\{00000049-8f91-4d9c-9573-f016e7626484}
HKCR\typelib\{92daf5c1-2135-4e0c-b7a0-259abfcd3904}
HKCR\clsid\{79849612-a98f-45b8-95e9-4d13c7b6b35c}
HKCR\clsid\{38601801-2ff5-4a62-95da-d2007161c1b4}
HKCR\clsid\{ddffa75a-e81d-4454-89fc-b9fd0631e726}
HKCR\clsid\{000006b1-19b5-414a-849f-2a3c64ae6939}
HKCR\dlmaxdll.dlmaxdllobj
HKCU\software\dlmax
HKLM\software\microsoft\windows\currentversion\uninstall\dbi
HKCR\dlmaxdll.dlmaxdllobj.1
HKLM\software\microsoft\windows nt\currentversion\winlogon\notify\guardian
HKCR\clsid\{00000000-59d4-4008-9058-080011001200}
HKCR\tpusn tpusn_once 1
HKCR\software\microsoft\windows\currentversion\explorer\browser helper objects\{000006b1-19b5-414a-849f-2a3c64ae6939}
HKLM\software\microsoft\windows\currentversion\explorer\browser helper objects\{00000097-7c67-4ba6-8b42-05128941688a}
HKLM\software\microsoft\code store database\distribution units\{79849612-a98f-45b8-95e9-4d13c7b6b35c}
HKLM\software\microsoft\windows\currentversion\uninstall\abi-1
HKLM\software\microsoft\windows\currentversion\explorer\browser helper objects\{000006b1-19b5-414a-849f-2a3c64ae6939}
HKCR\clsid\{00000049-8f91-4d9c-9573-f016e7626484}
HKLM\software\dbi
HKCR\typelib\{230c3786-1c2c-45bd-9d2d-9d277fce6289}
HKCR\tpusn
HKLM\software\twaintec
HKLM\software\microsoft\code store database\distribution units\{30000273-8230-4dd4-be4f-6889d1e74167}


SpyNoMore Collected Residual File Signatures:
N/A


See Also:
Trojan/Spyware/Toolbar/DotComToolBar.b
Backdoor/Hijacker/Homepage Hijacker/Divux.b
Trojan/Adware/BHO/StartPage.bi
Trojan/Dialer/Downloader/IstBar.f
Adware/Hijacker/SafeSearch
BHO/My Free Internet Update
Trojan/BHO/Backdoor/Lixy.a
Adware/BHO/BookedSpace
BHO/BookedSpace.Remanent
BHO/BookedSpace.BS2

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