F-Secure
Tools
Adware:W32/Gibmedia
| Name : | Adware:W32/Gibmedia |
| Aliases : |
W32/Medgib.A (Other) Adware:Win32/Gibmed (Microsoft) |
| Category: | Spyware |
| Type: | Adware |
| Platform: | W32 |
Summary
This program delivers advertising content to the user. It is usually annoying but harmless, unless it is combined with spyware or trackware.
Additional Details
Adware:W32/Gibmedia attempts to connect to remote websites, presumably to download advertising content. It also alters the search provider used by the Internet Explorer (IE) web browser.
Installation
When first executed, Gibmedia creates the following files:
It then creates launch points for these files in the Windows Registry:
Activity
When run, Gibmedia will try to connect to the following websites:
Adware:W32/Gibmedia will also connect to the following sites without the notice of the users:
At the time of writing, the first page Gibmedia connects to returns a 404 server error, while the second page shows a link to the file http://gibupdate.hook-network.com/_bin/[...].exe, which is believed to be a Gibmedia component. These connections may be made without the user's knowledge and/or authorization.
Gibmedia also modifies the search provider used in by IE by adding the following registry keys:
Installation
When first executed, Gibmedia creates the following files:
• C:\Program Files\Winsudate
• C:\Program Files\Winsudate\gibcom.dll
• C:\Program Files\Winsudate\gibidl.dll
• C:\Program Files\Winsudate\gibsvc.exe
• C:\Program Files\Winsudate\gibupt.exe
• C:\Program Files\Winsudate\gibusr.exe
It then creates launch points for these files in the Windows Registry:
• HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Data = "C:\Program Files\Winsudate\gibusr.exe"
Data = "C:\Program Files\Winsudate\gibusr.exe"
• HKEY_USERS\S-1-5-21-1390067357-1275210071-839522115-500\Software\Microsoft\Windows\CurrentVersion\Run
Data = "C:\Program Files\Winsudate\gibusr.exe"
Data = "C:\Program Files\Winsudate\gibusr.exe"
Activity
When run, Gibmedia will try to connect to the following websites:
• http://www.infotravail.com/[...].php
• http://www.renseignements-[...].fr/install
Adware:W32/Gibmedia will also connect to the following sites without the notice of the users:
• http://gibupdate.hook-network.com/settings/....bin
• http://gibupdate.hook-network.com/gib.ashx?c=...
At the time of writing, the first page Gibmedia connects to returns a 404 server error, while the second page shows a link to the file http://gibupdate.hook-network.com/_bin/[...].exe, which is believed to be a Gibmedia component. These connections may be made without the user's knowledge and/or authorization.
Gibmedia also modifies the search provider used in by IE by adding the following registry keys:
• HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\SearchScopes
Display Name = YouGoo
URL = http://www.yougoo.fr/france?search&q={searchTerms}
or
Display Name = Wibeez
URL = http://www.wibeez.com/meteo?search&q={searchTerms}
Display Name = YouGoo
URL = http://www.yougoo.fr/france?search&q={searchTerms}
or
Display Name = Wibeez
URL = http://www.wibeez.com/meteo?search&q={searchTerms}