TROJ_STARTPA.TE
Windows 98, ME, NT, 2000, XP, Server 2003
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Trojan arrives as a file that exports the functions of other malware/grayware. It may be dropped by other malware.
TECHNICAL DETAILS
203,815 bytes
DLL
No
05 Aug 2010
Drops files
Arrival Details
This Trojan arrives as a file that exports the functions of other malware/grayware.
It may be dropped by other malware.
Installation
This Trojan adds the following folders:
- %Program Files%\Win32Games
(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)
Other System Modifications
This Trojan adds the following registry keys:
HKEY_CLASSES_ROOT\CLSID\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}\
Shell\ÊôÐÔ(&D)
=
HKEY_CURRENT_USER\Software\internet explorer
=
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
HideDesktopIcons\NewStartPanel
=
It adds the following registry entries:
HKEY_CLASSES_ROOT\CLSID\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}
{305ca226-d286-468e-b848-2b2e8e697b74} 2 = 0
HKEY_CLASSES_ROOT\CLSID\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}\
Shell\Open\Command
(default) = %Program Files%\Internet Explorer\SIGNUP\iexplore.exe %1 h%t%t%p%:%/%/%w%w%w.6dudu.%c%o%m%/
Dropping Routine
This Trojan drops the following files:
- %System%\helpme.vbs - detected as VBS_STARTPA.ZZD
- %System%\helpme.ink
- %Desktop%\Intenet Exploer.ink
- %User Profile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.ink
- %User Profile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Intenet Exploer.ink
- %Program Files%\Win32Games\Internet.vbs
- %Program Files%\Internet Explorer\SIGNUP\iexplore.exe
(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.. %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.. %User Profile% is the current user's profile folder, which is usually C:\Windows\Profiles\{user name} on Windows 98 and ME, C:\WINNT\Profiles\{user name} on Windows NT, and C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003.. %Program Files% is the default Program Files folder, usually C:\Program Files.)
SOLUTION
8.900
7.364.07
05 Aug 2010
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
Scan your computer with your Trend Micro product and note files detected as TROJ_STARTPA.TE
Step 3
Restart in Safe Mode
Step 4
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_CLASSES_ROOT\CLSID\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}
- {305ca226-d286-468e-b848-2b2e8e697b74} 2=0
- {305ca226-d286-468e-b848-2b2e8e697b74} 2=0
- In HKEY_CLASSES_ROOT\CLSID\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}\Shell\Open\Command
- (default)=%Program Files%\Internet Explorer\SIGNUP\iexplore.exe %1 h%t%t%p%:%/%/%w%w%w.6dudu.%c%o%m%/
- (default)=%Program Files%\Internet Explorer\SIGNUP\iexplore.exe %1 h%t%t%p%:%/%/%w%w%w.6dudu.%c%o%m%/
Step 5
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\{e17d4fc0-5564-11d1-83f2-00a0c90dc849}\Shell
- ÊôÐÔ(&D)
- ÊôÐÔ(&D)
- In HKEY_CURRENT_USER\Software
- internet explorer
- internet explorer
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\HideDesktopIcons
- NewStartPanel
- NewStartPanel
Step 6
Search and delete these files
%System%\helpme.ink
%Desktop%\Intenet Exploer.ink
%User Profile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Launch Internet Explorer Browser.ink
%User Profile%\Application Data\Microsoft\Internet Explorer\Quick Launch\Intenet Exploer.ink
%Program Files%\Internet Explorer\SIGNUP\iexplore.exe
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