Home Malware Programs Browser Hijackers BrowserModifier:Win32/BaiduSP

BrowserModifier:Win32/BaiduSP

Posted: July 2, 2013

Threat Metric

Threat Level: 2/10
Infected PCs: 63
First Seen: July 2, 2013
OS(es) Affected: Windows

BrowserModifier:Win32/BaiduSP is a browser modifier, which propagates as a malicious .dll file. BrowserModifier:Win32/BaiduSP reroutes hijacked Internet search results without an affected PC user's permission to dubious websites. BrowserModifier:Win32/BaiduSP will redirect hijacked search results from the address bar and 'page not found' errors to Baidu.com.BrowserModifier:Win32/BaiduSP can also strive to download the BaiduToolbar without the computer user's authorization. When installed on the corrupted PC, BrowserModifier:Win32/BaiduSP makes system changes by dropping potentially malicious files and registry subkeys. BrowserModifier:Win32/BaiduSP creates the registry subkeys to install itself as a BHO (Browser Helper Objects) so that it can load automatically every time Internet Explorer is started. BrowserModifier:Win32/BaiduSP blocks the infected computer system from acquiring an Internet connection by dialing to an Internet Service Provider (ISP). BrowserModifier:Win32/BaiduSP may monitor the domains accessed by Internet Explorer and transmit this information to a remote server.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%system32%\snav.dll File name: %system32%\snav.dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
%ProgramFiles%\snav\snav.dll File name: %ProgramFiles%\snav\snav.dll
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{CLSID Path}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{91A9D6D5-AFEE-4748-82D7-737A523F63D5}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{635A7AFA-FB22-4A4E-8AB8-C85CFAB14626}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{635A7AFA-FB22-4A4E-8AB8-C85CFAB14626}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{A9DFC1C4-7AB1-4B54-AC5B-F7093C9BB8D3}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{65D94F33-028B-4CD1-8A89-E6E3129C90B0}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{4F87EBCD-FBF4-4ADD-980A-D9EDC6C8FDE5}HKEY..\..\{Value}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RAS Autodial\Control "LoginSessionDisable" = "1"HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Snav\iexpHKEY_LOCAL_MACHINE\SOFTWARE\Classes\Snav.SearchHook.1HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Snav.SearchHookHKEY_LOCAL_MACHINE\SOFTWARE\Classes\Snav.JsObject.1HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Snav.JsObject
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