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Adware.Accelerator.b Analysis Report
Threat Submitted On: 5/10/2007 3:32:55 PM
Threat Analysed On: 5/10/2007 8:32:55 PM
Threat Updated On: 11/8/2009 7:50:43 AM
Type : Adware
Symptoms of Accelerator.b
  • Displays porn/abusive content or intrusive third-party advertisements.
  • Shows deceptive or false warning.
  • Generates advertisement even when the program is not running
  • Synchronously installs other bundled program.
  • The program can places unwanted adverts on computer screen.
Information
Alias : AdWare.Win32.Accelerator.b
Md5 Hash : [42262b28fcccd0c14fdf3371c8a61100]
File Size : (336378 bytes)

Here are the Technical findings of our analysis team after analyzing this malware in detail :-

Creates the following infected Files on user's System
Note:
Delete the following Files to remove Infection
File: browseraccelerator.dll
Path : %programfiles%\browseraccelerator
Md5Hash :b470f163f75cad8dc317b6e8bfc654bd ( 255336 bytes)
File: uninstall.exe
Path : %programfiles%\browseraccelerator
Md5Hash :3a8a19cd0553383494a8391425c792bf ( 34714 bytes)
File: _dlg.scr
Path : %temp%
Md5Hash :b137823885afa5381e35c161648fe924 ( bytes)
File: _file1.scr
Path : %temp%
Md5Hash :ba3a988aa13902a9bd2149e2126f289b ( bytes)
File: _pic1.img
Path : %temp%
Md5Hash :fb890788cdbe3f06ab3d7ef3c7491b01 ( bytes)
File: _pic2.img
Path : %temp%
Md5Hash :9ee9baeb13f615a6d6e2aa529d7b9eb4 ( bytes)
File: _sfx.dlg
Path : %temp%
Md5Hash :914be39376e858cadbc4043897c7ca4a ( bytes)
File: lsb12.tmp
Path : %temp%
Md5Hash :ba3a988aa13902a9bd2149e2126f289b ( 126 bytes)
File: lsb15.tmp
Path : %temp%
Md5Hash :ddd6852d62b908a25964a51fdeb7148f ( 8411 bytes)
File: lsb5f.tmp
Path : %temp%
Md5Hash :c446edffa1c66ce04e662065ffee7f58 ( bytes)
File: lsb9.tmp
Path : %temp%
Md5Hash :fb890788cdbe3f06ab3d7ef3c7491b01 ( 130 bytes)
File: lsbc.tmp
Path : %temp%
Md5Hash :9ee9baeb13f615a6d6e2aa529d7b9eb4 ( 4158 bytes)
File: lsbf.tmp
Path : %temp%
Md5Hash :b137823885afa5381e35c161648fe924 ( 56160 bytes)
File: advsplash.dll
Path : %temp%\nsg3.tmp
Md5Hash :f04c58ac1924ff22cbaae96ff74f8b5d ( bytes)
File: ba-splash.bmp
Path : %temp%\nsg3.tmp
Md5Hash :6cd70db88b4c9428938f4786a0064c20 ( bytes)
File: nsdialogs.dll
Path : %temp%\nsg3.tmp
Md5Hash :4dbb58b475546533ee3362138666dfa0 ( bytes)
File: uninstall.lnk
Path : %userprofile%\start menu\programs\browseraccelerator
Md5Hash :ad74e858debbe73ed785dc2bab8f3062 ( 1698 bytes)
File: [randomname].exe
Path : %workingdir%
Skip Navigation Links.
Collapse Md5Hash :Md5Hash :
17cd1508431c56c066cbf18844339617 ( 237572 bytes)
18090b1c60f74b181f7c12376aa160c3 ( 237588 bytes)
313af060c72010d32986c910165d4050 ( 176960 bytes)
42262b28fcccd0c14fdf3371c8a61100 ( 336378 bytes)
4f4af49c6f2b064160301f62000eee94 ( 237593 bytes)
6c0c4d180fd72bcd26b519b128641c6c ( 237598 bytes)
6ede21437318399bb0cc37cc971a8ef3 ( 249856 bytes)
789e81877fac14c0ec592f980e768e32 ( 237585 bytes)
847d52b095b0d0ff4abab845e7ae9155 ( 237587 bytes)
8b0d2c3075a9aa52ab548ff2f93d3884 ( 237568 bytes)
924a196f83e6872802583c735a13a8a2 ( 237589 bytes)
de1890954bb441fc2fcd04fcb06b26b8 ( 237586 bytes)
e1203169b8df35a01b76f6ed55648d85 ( 237590 bytes)
e3eb4b2eaf95ee8ca7cab20a93d5629d ( 237583 bytes)
ebd739470a51d1a6f0714e7e0bd71c91 ( 237591 bytes)
ef7010cccee70599d690face0bd99414 ( 237584 bytes)
Also creates the following files on user's System which are also created by Genuine Software :-
Note:
These file(s) can be kept as they are also created by genuine Software.
File : desktop.ini
Path : %homepath%\my documents
Md5Hash :869cba0364c55b0c6524419a8b86df88 ( 83 bytes)
File : desktop.ini
Path : %homepath%\my documents\my pictures
Md5Hash :f958dc73dc27ae8589bc1b1dfbd18e4a ( 190 bytes)
File : _pic0.img
Path : %temp%
Md5Hash :ea30630c685fb051e83e67049ab0c47c ( bytes)
File : lsb6.tmp
Path : %temp%
Md5Hash :ea30630c685fb051e83e67049ab0c47c ( 52574 bytes)
File : desktop.ini
Path : %userprofile%\application data
Md5Hash :88cf0ff92a4a9fa7bd9b7513b2e9e22b ( 62 bytes)
File : desktop.ini
Path : %userprofile%\start menu
Md5Hash :87f8888e1d77d9cef69e901a97d40d73 ( 62 bytes)
Creates the following infected Registry Keys on user's System
Note:
Delete these Registries to remove Infection
The following Registry Values are added to the provided Registry Keys :-
Note:
Delete the added Values from the Key to remove Infection
|__ Value Added :
ThreadingModel = "apartment"
|__ Value Added :
ThreadingModel = "apartment"
|__ Value Added :
ThreadingModel = "apartment"
|__ Value Added :
affiliateid = "[reg_dword, value: 0000ee92]"
|__ Value Added :
Version = "3.1.2"
|__ Value Added :
{2D6A91CF-37C6-4EB2-A8D8-F65F1DB14ECE} = "[reg_binary, size: 0 bytes]"
|__ Value Added :
displayname = "browseraccelerator"
|__ Value Added :
nomodify = "[reg_dword, value: 00000001]"
|__ Value Added :
norepair = "[reg_dword, value: 00000001]"
|__ Value Added :
uninstallstring = ""%programfiles%\browseraccelerator\uninstall.exe""
Creates the following child process(s) on execution:

services.exe

Moves the Following Files to Given Location :-
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_pic0.img
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsb6.tmp
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_pic1.img
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsb9.tmp
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_pic2.img
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsbc.tmp
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_dlg.scr
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsbf.tmp
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_file1.scr
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsb12.tmp
Moves :%systemdrive%\docume~1\antisp~1\locals~1\temp\_sfx.dlg
To : %systemdrive%\docume~1\antisp~1\locals~1\temp\lsb15.tmp

NOTE:

1. %programfiles% Refers to the program files folder. By default it is 'C:\Program Files'
2. %temp% Refers to the windows temp folder. By default it is 'C:\Documents and Settings\[user]\Local Settings\Temp'
3. %userprofile% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'
4. %workingdir% Refers to the current directory in which user is working.
5. %homepath% Refers to the windows current user's profile folder. By default it is 'C:\Documents and Settings\[user]'

Important: We strongly recommend that you backup the Registry before making any changes to it. Incorrect changes to the Registry can result in permanent data loss or corrupted Files. Modify the malicious\suspicious Subkeys only.

Click Here for more spywarelib.com recommended PC Security and Optimization Tools

To modify registry entries in Windows Operating System:
Follow Steps:
1. Click Start > Run
2. Type “regedit” : to open registry editor
3. Navigate to required registry Key from the Left Tree control and modify accordingly.

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