Systweak Spyware Library
Systweak Spyware Library text
More than 1309737 spyware signatures and growing
Microsoft Gold Certified Partner
Search in:
Adware.WebSearch.ay Analysis Report
Threat Submitted On: 5/11/2007 3:37:26 AM
Threat Analysed On: 5/11/2007 8:37:26 AM
Threat Updated On: 11/8/2009 3:07:04 PM
Type : Adware
Symptoms of WebSearch.ay
  • 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.WebSearch.ay
Md5 Hash : [29b520a377518708e3e126b187b07a3e]
File Size : (617472 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: frequently asked questions.url
Path : %allusersprofile%\start menu\programs\web search tools

Md5Hash :36bb46090166d31b1fb1779caeda3767 ( 141 bytes)
File: home.url
Path : %allusersprofile%\start menu\programs\web search tools

Md5Hash :3b070a18e46e10e88fe9738b6492bc6b ( 97 bytes)
File: privacy policy.url
Path : %allusersprofile%\start menu\programs\web search tools

Md5Hash :7cac8edd5ad02c6fb89cd197af0c34ce ( 133 bytes)
File: terms of use.url
Path : %allusersprofile%\start menu\programs\web search tools

Md5Hash :6e8b9a7aa17dee4315df6d5fe97d34c6 ( 129 bytes)
File: xlmurin.wzg
Path : %workingdir%

Md5Hash :cff4ce330373b3b49bb1b4ead804e8ba ( 10 bytes)
File: zwipvbh.wzg
Path : %workingdir%

Md5Hash :65ef8b42092ede3be751ba0489197390 ( 100 bytes)
File: [randomname].exe
Path : %workingdir%

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Collapse Md5Hash :Md5Hash :
29b520a377518708e3e126b187b07a3e ( 617472 bytes)
79b42d80a497909e9d43616668b8c202 ( 617474 bytes)
80a8f081c31836babd8578f99c995838 ( 617476 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 : tbps.dat
Path : %programfiles%\toolbar

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Collapse Md5Hash :Md5Hash :
2e9b595bd7ecce560148a57eef0783b4 ( 131072 bytes)
32c1d572814df3656d2c55daae004efd ( 131072 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 :
ThreadingModel = "apartment"
|__ Value Added :
CLSID = "{ff76a5da-6158-4439-99ff-edc1b3fe100c}"
|__ Value Added :
AsQ = "[reg_binary, size: 8 bytes]"
|__ Value Added :
CSHOW = "c"
|__ Value Added :
ErCount = "[reg_dword, value: 00000000]"
|__ Value Added :
FirstHomeAsk = "yes"
|__ Value Added :
JDBINFO = "ok"
|__ Value Added :
JDBINFOShow = ""
|__ Value Added :
KImport_Hash = "ýï¡m?h¨0~"
|__ Value Added :
LastDll = "_char(0x02)_0+-+-+04-"
|__ Value Added :
SEAINFO = "ok"
|__ Value Added :
SEAINFOShow = ""
|__ Value Added :
{339BB23F-A864-48C0-A59F-29EA915965EC} = "[reg_binary, size: 1 bytes]"
|__ Value Added :
ACSIZE = "_char(0x02)_-"
|__ Value Added :
ALLOWUPDATE = "_char(0x02)_."
|__ Value Added :
AllowUseDefskin = "1"
|__ Value Added :
AUTO_SEARCH = "_char(0x02)_eqqm7,,po+tb_pb^o`e+`lj,^p+^pmu
|__ Value Added :
AUTOCOMPLETE = "_char(0x02)_."
|__ Value Added :
AUTOHIGHLIGHT = "_char(0x02)_-"
|__ Value Added :
AUTOSEARCH = "_char(0x02)_."
|__ Value Added :
AUTOSESEARCH = "_char(0x02)_."
|__ Value Added :
AUTOSHOW = "_char(0x02)_."
|__ Value Added :
AVGSEARCH = "0.00"
|__ Value Added :
BB_HELP_URL = "_char(0x02)_eqqm7,,ttt+tb_pb^o`e+`lj,ebim,ebim\pq+^pmu n\/6."
|__ Value Added :
BBDSERVICE = "_char(0x02)_eqqm7,,^p+^at^sb+`lj,^p+^pju,??a
|__ Value Added :
CAPTION = "_char(0x02)_pb^o`e_char(0x1d)_qlli_^o"
|__ Value Added :
CFG_VER = "_char(0x02)_.+-+-+-"
|__ Value Added :
CHECK_DAYS = "_char(0x02)_."
|__ Value Added :
DEACTIVATETOOLBARS = "_char(0x02)_."
|__ Value Added :
DIALOG_PAUSE = "_char(0x02)_0-"
|__ Value Added :
DISABLEADSUPPORTSEARCH = "_char(0x02)_."
|__ Value Added :
ERROR_PAGE = "_char(0x02)_eqqm7,,^p+^at^sb+`lj,pb^o`e\1-1+^pmu<^cc:.#n:"p#@lab:"`lab#q_\fa:"q_\fa"
|__ Value Added :
ERROR404 = "_char(0x02)_-"
|__ Value Added :
IE_RESET = "_char(0x02)_."
|__ Value Added :
IGU = "_char(0x02)_x05/.3a0/*20.>*1a>b*?056*a5>?a2>2/>1az"
|__ Value Added :
IGU = "_char(0x02)_x5c-14c..*b530*15>2*55ba*/>63b5./5-4/z"
|__ Value Added :
INSTALL_CONFIRM_1 = "_char(0x02)_eqqm7,,altkil^a+tb_pb^o`e+`lj,q_pq^qfkpqild+^pju,pbqpq^qrp
|__ Value Added :
INSTALL_CONFIRM_SYS = "_char(0x02)_eqqm7,,altkil^a+tb_pb^o`e+`lj,q_fkpqild+^pju,dbquji
|__ Value Added :
INSTALL_CONFIRM_SYSEX = "_char(0x02)_eqqm7,,altkil^a+tb_pb^o`e+`lj,q_fkpqild+^pju,dbquji
|__ Value Added :
ITime = "[reg_binary, size: 8 bytes]"
|__ Value Added :
KEEPHISTORY = "_char(0x02)_."
|__ Value Added :
KEYWORDS_IMPORT = "_char(0x02)_tb_pb^o`e:eqqm7,,ttt+tb_pb^o`e+`ljypb^o`e:eqqm7,,ttt+tb_pb^o`e+`ljydlldib:eqqm7,,ttt+dlldib+`lj"
|__ Value Added :
NARROWSEARCH = "_char(0x02)_."
|__ Value Added :
NO_AUTOSEARCH_HOOK = "_char(0x02)_."
|__ Value Added :
NONUTF_DOMAINS = "_char(0x02)_fp.+yaf`qflk^ov+yqebp^rorp+y^j^wlk+"
|__ Value Added :
OBE_FCAP = "_char(0x02)_.-"
|__ Value Added :
OVERRIDE_AUTOSEARCH_DIALOG = "_char(0x02)_-"
|__ Value Added :
OVERRIDE_BBACTIVATE_DIALOG = "_char(0x02)_-"
|__ Value Added :
OVERRIDE_DEACTIVATE_DIALOG = "_char(0x02)_-"
|__ Value Added :
OVERRIDE_HOMEPAGE_DIALOG = "_char(0x02)_-"
|__ Value Added :
OVERRIDE_IESEARCH_DIALOG = "_char(0x02)_."
|__ Value Added :
OVERRIDE_JSDEBUG_DIALOG = "_char(0x02)_."
|__ Value Added :
POPUPBLOCKER = "_char(0x02)_."
|__ Value Added :
PRESERVEHISTORY = "_char(0x02)_."
|__ Value Added :
RECOVERY_URL = "_char(0x02)_eqqm7,,altkil^a+tb_pb^o`e+`lj,aki,q\2-/12,q?mp+`^_"
|__ Value Added :
REGISTRATION_PAUSE = "_char(0x02)_."
|__ Value Added :
RTime = "39187.0994703009"
|__ Value Added :
RTime = "39199.7652197222"
|__ Value Added :
SEARCH_INST = "_char(0x02)_wawfs)wde)eh_awfseuwjjsf)qowjdwjdoeh_awfskwoj)eh_videt)eh_pcjdsf)eatiudif)eh_awfsvlwedsf)dfinwj_char(0x1d)_qcwftsf)dfinwjpcjdsf)fkbdfnwj)eh_easshsf)aojhwdfil"
|__ Value Added :
SEARCH_PAGE = "_char(0x02)_eqqm7,,ttt+tb_pb^o`e+`lj,fb+^pmu
|__ Value Added :
SEARCH_PAGE_INFO = "_char(0x02)_tb_pb^o`e+`lj"
|__ Value Added :
STUI = "_char(0x02)_s0@23@/b2645-a0//b0@/1.a246546//.6-/22041-042621131?1.1@212-260400/?/a/?/c03/a/a/?/c/b02/a"
|__ Value Added :
STUI = "_char(0x02)_s02?3/b5b@>4>0/.066a.-53204>-42-0@-/22041-042621131?1.1@212-260400/?/a/?/c03/a/a/?/c/b02/a"
|__ Value Added :
TAKEADSUPPORTSETTINGS = "_char(0x02)_."
|__ Value Added :
TB_ID = "_char(0x02)_2-/12"
|__ Value Added :
UNINSTALL_CONFIRM = "_char(0x02)_eqqm7,,altkil^a+tb_pb^o`e+`lj,q_pq^qfkpqild+^pju,pbqpq^qrp
|__ Value Added :
URL_FOLDER_NAME = "_char(0x02)_tb__char(0x1d)_pb^o`e_char(0x1d)_qllip"
|__ Value Added :
URL_ITEMS_1 = "_char(0x02)_eljbyeqqm7,,ttt+tb_pb^o`e+`lj,"
|__ Value Added :
URL_ITEMS_2 = "_char(0x02)_cobnrbkqiv_char(0x1d)_>phba_char(0x1d)_nrbpqflkpyeqqm7,,ttt+tb_pb^o`e+`lj,ebim,ebim\qlli_^o+^pmu"
|__ Value Added :
URL_ITEMS_3 = "_char(0x02)_qbojp_char(0x1d)_lc_char(0x1d)_rpbyeqqm7,,ttt+tb_pb^o`e+`lj,ibd^i,qbojp+^pmu"
|__ Value Added :
URL_ITEMS_4 = "_char(0x02)_mofs^`v_char(0x1d)_mlif`vyeqqm7,,ttt+tb_pb^o`e+`lj,ibd^i,mofs^`v+^pmu"
|__ Value Added :
USEALTENTER = "_char(0x02)_."
|__ Value Added :
USEAUTOSEARCH = "_char(0x02)_-"
|__ Value Added :
USEBB = "_char(0x02)_-"
|__ Value Added :
USEBBENH = "_char(0x02)_-"
|__ Value Added :
USECTRLENTER = "_char(0x02)_."
|__ Value Added :
USEENTER = "_char(0x02)_-"
|__ Value Added :
USESEARCHASSISTANT = "_char(0x02)_."
|__ Value Added :
USESHIFTENTER = "_char(0x02)_."
Also creates the following legitmate Registries on user's Systems which are also created by Genuine Software :-
Note:
These Keys can be kept as they are also created by genuine Software
The following Registry Values are added to the provided Registry Keys which are also created by Genuine Software :-
Note:
These Values can be left as they are also created by legitimate Software :-
Creates the Following MUTEX(s) on user's System:-
tbps_datamap_mutex
st_v_3_mtx

NOTE:

1. %allusersprofile% Refers to the windows all users profile folder. By default it is 'C:\Documents and Settings\All Users'
2. %workingdir% Refers to the current directory in which user is working.
3. %programfiles% Refers to the program files folder. By default it is 'C:\Program Files'

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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