ADW_WINFIXERFC
Windows 98, ME, NT, 2000, XP, Server 2003

Threat Type: Adware
Destructiveness: No
Encrypted:
In the wild: Yes
TECHNICAL DETAILS
Installation
This adware adds the following folders:
- C:\Documents and Settings\All Users\Application Data\Doraibuhogo
- C:\Documents and Settings\All Users\Application Data\SalesMon
- C:\Documents and Settings\All Users\Start Menu\Programs\Doraibuhogo
- %Program Files%\Doraibuhogo
- %Program Files%\Common Files\Doraibuhogo
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Autostart Technique
This adware adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Salestart="%Program Files%\\Common Files\\Doraibuhogo\\stm.exe" dm=http://{BLOCKED}uhogo.com ad=http://{BLOCKED}uhogo.com sd=http://{BLOCKED}g.{BLOCKED}uhogo.com =
(Note: The default value data of the said registry entry is .)
Other System Modifications
This adware adds the following registry keys:
HKEY_CLASSES_ROOT\CLSID\{645FF040-5081-101B-9F08-00AA002F954E}\
Shell
=
HKEY_CURRENT_USER\Software\Doraibuhogo
=
HKEY_LOCAL_MACHINE\SOFTWARE\Doraibuhogo
=
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
GDCJP_is1
=
It adds the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
Doraibuhogo = %Program Files%\Doraibuhogo\GDC.exe
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
gdcw = %Program Files%\Doraibuhogo\data\GDCW.exe
Dropping Routine
This adware drops the following files:
- C:\Documents and Settings\All Users\Start Menu\Programs\Doraibuhogo\Doraibuhogo –¢“o˜^”Å.lnk
- C:\Documents and Settings\All Users\Start Menu\Programs\Doraibuhogo\Doraibuhogo ƒAƒ“ƒCƒXƒg[ƒ‹.lnk
- C:\Documents and Settings\All Users\Start Menu\Programs\Doraibuhogo\Doraibuhogo Webƒy[ƒW.lnk
- %Desktop%\Doraibuhogo –¢“o˜^”Å.lnk
- C:\Documents and Settings\{username}\Application Data\Microsoft\Internet Explorer\Quick Launch\Doraibuhogo –¢“o˜^”Å.lnk
- %Program Files%\Common Files\Doraibuhogo\stm.exe - also detected as ADW_WINFIXERFC
(Note: %Desktop% is the current user's desktop, which is usually C:\Windows\Profiles\{user name}\Desktop on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Desktop on Windows NT, and C:\Documents and Settings\{User Name}\Desktop on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
SOLUTION
Step 1
For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.
Step 2
Restart in Safe Mode
Step 3
Delete this registry value
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Salestart=%Program Files%\Common Files\Doraibuhogo\stm.exe dm=http://{BLOCKED}uhogo.com ad=http://{BLOCKED}uhogo.com sd=http://{BLOCKED}g.{BLOCKED}uhogo.com
- Salestart=%Program Files%\Common Files\Doraibuhogo\stm.exe dm=http://{BLOCKED}uhogo.com ad=http://{BLOCKED}uhogo.com sd=http://{BLOCKED}g.{BLOCKED}uhogo.com
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Doraibuhogo=%Program Files%\Doraibuhogo\GDC.exe
- Doraibuhogo=%Program Files%\Doraibuhogo\GDC.exe
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- gdcw=%Program Files%\Doraibuhogo\data\GDCW.exe
- gdcw=%Program Files%\Doraibuhogo\data\GDCW.exe
Step 4
Delete this registry key
Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.
- In HKEY_CLASSES_ROOT\CLSID\{645FF040-5081-101B-9F08-00AA002F954E}
- Shell
- Shell
- In HKEY_CURRENT_USER\Software
- Doraibuhogo
- Doraibuhogo
- In HKEY_LOCAL_MACHINE\SOFTWARE
- Doraibuhogo
- Doraibuhogo
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
- GDCJP_is1
- GDCJP_is1
Step 5
Search and delete this folder
- C:\Documents and Settings\All Users\Application Data\Doraibuhogo
- C:\Documents and Settings\All Users\Application Data\SalesMon
- C:\Documents and Settings\All Users\Start Menu\Programs\Doraibuhogo
- %Program Files%\Doraibuhogo
- %Program Files%\Common Files\Doraibuhogo
Step 6
Search and delete these files
C:\Documents and Settings\{username}\Application Data\Microsoft\Internet Explorer\Quick Launch\Doraibuhogo –¢“o˜^”Å.lnk
Step 7
Scan your computer with your Trend Micro product to delete files detected as ADW_WINFIXERFC. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.
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