Home / malware BrowserModifier:Win32/BaiduSobar
First posted on 23 August 2019.
Source: MicrosoftAliases :
BrowserModifier:Win32/BaiduSobar is also known as Adware-BDSearch, W32/BaiduBar.A, ADW_BAIDUBAR.
Explanation :
BrowserModifier:Win32/BaiduSobar is a Web browser toolbar that delivers pop-up and contextual advertisements, blocks certain other advertisements, and changes the Internet Explorer search page. BrowserModifier:Win32/BaiduSobar may also prevent removal by the user by protecting its installed files and registry keys. When BrowserModifier:Win32/BaiduSobar is run, it performs the following actions: Creates a folder in named 'baidu' in the %ProgramFiles% folder Creates additional subfolders and drops files within those folders:
%ProgramFiles%aiduaraidubar.dat
%ProgramFiles%aiduarBaiduBar.dll
%ProgramFiles%aiduarBDBar_tmpaidubar.dat
%ProgramFiles%aiduarBDBar_tmpimgimglist.bmp
%ProgramFiles%aiduarBDBar_tmpimglogo.bmp
%ProgramFiles%aiduarimgimglist.bmp
%ProgramFiles%aiduarimglogo.bmp
%ProgramFiles%aiduarBDBar_tmpaidubar.dat
%ProgramFiles%aiduarBDBar_tmpBaiduBar.dll
%ProgramFiles%aiduarBDBar_tmpBaiduBar.dll
%ProgramFiles%aiduarBDBar_tmpimgimglist.bmp Creates .URL files within the %ALLUSERSPROFILE%Start MenuPrograms folder Modifies the registry to run BrowserModifier:Win32/BaiduSobar as a browser helper object (BHO):
Adds values:
{77FEF28E-EB96-44FF-B511-3185DEA48697}InprocServer32(Default)
{7C76C055-ED6E-4535-A70F-CD476E727F67}InprocServer32(Default)
{A7F05EE4-0426-454F-8013-C41E3596E9E9}InprocServer32(Default)
{B580CF65-E151-49C3-B73F-70B13FCA8E86}InprocServer32(Default)
{FE14F22E-BE14-4F08-A80F-F27BC3A67B2D}InprocServer32(Default)
With data: %ProgramFiles%aiduarBaiduBar.dll
To subkey: HKEY_CLASSES_ROOTCLSID
Adds value: {77FEF28E-EB96-44FF-B511-3185DEA48697}id
With data: bdbar
To subkey: HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerBrowser Helper Objects
Adds value: {B580CF65-E151-49C3-B73F-70B13FCA8E86}
With data: 0
To subkey: HKEY_LOCAL_MACHINESoftwareMicrosoftInternet ExplorerToolbar Modifies the registry with settings related to the functionality of BrowserModifier:Win32/BaiduSobar:
Adds values:
version
RunState
With data: 0x0
Adds values:
SearchBoxMode
ShowState
DisplayMode
DisplayLineMode
With data: 0x1
To subkey: HKEY_CURRENT_USERSoftwareBaiduBaiduBar
Adds values:
AllVoice_State
AllFlash_State
AllPic_State
With data: 0x0
To subkey: HKEY_CURRENT_USERSoftwareBaiduBaiduBarNoAD Modifies the registry instructing BrowserModifier:Win32/BaiduSobar to allow advertisements from specific Web sites that may include any of the following strings in the source URL:
*.hao123.com*
*.baidu.com* Modifies the registry instructing BrowserModifier:Win32/BaiduSobar to disallow advertisements from specific Web sites that may include any of the following strings in the source URL:
*/ad.*
*/imgad/*
http://ad[0-9].*
http://ads.
*banner.*
*/advpic*
*doubleclick.*
*/ad/*
*/banner_img/*
*/adbanners*
*cnsmin.3721.com/*
*/adv/*
*/images_ad/*
*/ads/*
*/advlink/*
*/banner*
http://ad.*
*banners/*
*/adImages/*
*.swf[a-z]*
*images.sohu.com/cs/button/* Modifies the registry to alter search settings used by Internet Explorer:
Adds values:
CustomizeSearch_sb
SearchAssistant_sb
With data: http://ie.search.msn.com/{SUB_RFC1766}/srchasst/srchasst.htm
In subkey: HKEY_LOCAL_MACHINESOFTWAREMicrosoftInternet ExplorerSearch
Adds values:
CustomizeSearch
SearchAssistant
With data: http://bar.baidu.com/sobar/defaultsearch.html
To subkey: HKEY_LOCAL_MACHINESOFTWAREMicrosoftInternet ExplorerSearch Downloads a kernel mode driver that protects files and registry keys from being removedLast update 23 August 2019