WORM_RAYS.AO
Windows 2000, Windows XP, Windows Server 2003
Threat Type: Worm
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It disables Task Manager, Registry Editor, and Folder Options.
TECHNICAL DETAILS
74,668 bytes
EXE
Yes
13 Dec 2013
Arrival Details
This worm arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Autostart Technique
This worm adds the following registry entries to enable its automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
WinAVX = "%System%\WinAvXX.exe"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
WinAVX = "%System%\WinAvXX.exe"
It registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{ABCDECF0-4B15-11D1-ABED-709549C10000}
It modifies the following registry entries to ensure it automatic execution at every system startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
Shell = "Explorer.exe %System%\printer.exe"
(Note: The default value data of the said registry entry is Explorer.exe.)
Other System Modifications
This worm modifies the following file(s):
- %System%\drivers\etc\hosts
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
It deletes the following files:
- %Windows%\1.tmp
(Note: %Windows% is the Windows folder, which is usually C:\Windows.)
It adds the following registry keys:
HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj.1
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
IEHlprObj.IEHlprObj.1\CLSID
HKEY_CLASSES_ROOT\IEHlprObj.IEHlprObj
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
IEHlprObj.IEHlprObj\CurVer
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\ProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\VersionIndependentProgID
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\Programmable
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\InprocServer32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0\
FLAGS
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0\
0
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0\
0\win32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0\
HELPDIR
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}\ProxyStubClsid
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}\ProxyStubClsid32
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}\TypeLib
It adds the following registry entries:
HKEY_LOCAL_MACHINE
software\classes\comfile\shell\open\command = "ExpIorer %1 %*"
HKEY_LOCAL_MACHINE
software\classes\exefile\shell\open\command = "ExpIorer %1 %*"
HKEY_LOCAL_MACHINE
software\classes\piffile\shell\open\command = "ExpIorer %1 %*"
HKEY_CURRENT_USER
software\classes\comfile\shell\open\command = "ExpIorer %1 %*"
HKEY_CURRENT_USER
software\classes\exefile\shell\open\command = "ExpIorer %1 %*"
HKEY_CURRENT_USER
software\classes\piffile\shell\open\command = "ExpIorer %1 %*"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
1208 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
2500 = "3"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1208 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
2500 = "3"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
1208 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
2500 = "3"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1208 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
2500 = "3"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
1208 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
2500 = "3"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
EnableBalloonTips = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Explorer\
Advanced
EnableBalloonTips = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\
Microsoft\Windows\WindowsUpdate\
AU
NoAutoUpdate = "1"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\SharedAccess\Parameters\
FirewallPolicy\DomainProfile\AuthorizedApplications\
List
%windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\
Services\SharedAccess\Parameters\
FirewallPolicy\DomainProfile\AuthorizedApplications\
List
%windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\
Services\SharedAccess\Parameters\
FirewallPolicy\StandardProfile\AuthorizedApplications\
List
%windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Enable Browser Extensions = "yes"
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Search Bar = "http://www.{BLOCKED}e.com/ie"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\InprocServer32
ThreadingModel = "Apartment"
HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}\TypeLib
Version = "1.0"
It modifies the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
1200 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
1201 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
1608 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\4
1804 = "1"
(Note: The default value data of the said registry entry is 3.)
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Search Page = "http://www.{BLOCKED}e.com"
(Note: The default value data of the said registry entry is http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch.)
HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Main
Start Page = "http://www.{BLOCKED}e.com"
(Note: The default value data of the said registry entry is http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main
Default_Search_URL = "http://www.{BLOCKED}e.com/ie"
(Note: The default value data of the said registry entry is http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main
Search Page = "http://www.{BLOCKED}e.com"
(Note: The default value data of the said registry entry is http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Main
Start Page = "http://www.{BLOCKED}e.com"
(Note: The default value data of the said registry entry is http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SUB_PVER}&ar=home.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
appinit_dlls = "%System%\hanonvt.ini"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Windows
AppInit_DLLs = "hanonvt.ini"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
1200 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
1201 = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
1608 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\0
1804 = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1200 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1201 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1608 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\1
1804 = "1"
(Note: The default value data of the said registry entry is 1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
1200 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
1201 = "0"
(Note: The default value data of the said registry entry is 1.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
1608 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\2
1804 = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1200 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1201 = "0"
(Note: The default value data of the said registry entry is 3.)
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1608 = "0"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1804 = "1"
(Note: The default value data of the said registry entry is 1.)
It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
DisableRegistryTools = "1"
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
system
DisableTaskMgr = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoControlPanel = "1"
HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
Explorer
NoWindowsUpdate = "1"
It deletes the following registry keys:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3}
Dropping Routine
This worm drops the following files:
- %Windows%\ExpIorer.exe
- winavxx.exe
- hanonvt.ini
- vtr382.dll
- %System%\WinAvXX.exe
- %System%\printer.exe
- %User Startup%\system.exe
- %Common Startup%\autorun.exe
(Note: %Windows% is the Windows folder, which is usually C:\Windows.. %System% is the Windows system folder, which is usually C:\Windows\System32.. %User Startup% is the current user's Startup folder, which is usually C:\Windows\Profiles\{user name}\Start Menu\Programs\Startup on Windows 98 and ME, C:\WINNT\Profiles\{user name}\Start Menu\Programs\Startup on Windows NT, and C:\Documents and Settings\{User name}\Start Menu\Programs\Startup.. %Common Startup% is the system's shared Startup folder, which is usually C:\Documents and Settings\All Users\Start Menu\Programs\Startup on Windows 2000, XP, and Server 2003.)
This report is generated via an automated analysis system.
SOLUTION
9.300
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Identify and delete files detected as WORM_RAYS.AO using either the Startup Disk or Recovery Console
Step 3
Close all opened browser windows
Step 4
Enable Registry Editor, Task Manager, and Folder options
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
- IEHlprObj.IEHlprObj.1
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj.1
- CLSID
- In HKEY_CLASSES_ROOT
- IEHlprObj.IEHlprObj
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\IEHlprObj.IEHlprObj
- CurVer
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
- {ABCDECF0-4B15-11D1-ABED-709549C10000}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}
- ProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}
- VersionIndependentProgID
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}
- Programmable
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}
- InprocServer32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
- {ABCDECE2-4B15-11D1-ABED-709549C10000}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}
- 1.0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0
- FLAGS
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0
- 0
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0\0
- win32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{ABCDECE2-4B15-11D1-ABED-709549C10000}\1.0
- HELPDIR
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
- {ABCDECEF-4B15-11D1-ABED-709549C10000}
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}
- ProxyStubClsid
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}
- ProxyStubClsid32
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}
- TypeLib
Step 6
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
- WinAVX = "%System%\WinAvXX.exe"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- WinAVX = "%System%\WinAvXX.exe"
- In HKEY_LOCAL_MACHINE
- software\classes\comfile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_LOCAL_MACHINE
- software\classes\exefile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_LOCAL_MACHINE
- software\classes\piffile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_CURRENT_USER
- software\classes\comfile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_CURRENT_USER
- software\classes\exefile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_CURRENT_USER
- software\classes\piffile\shell\open\command = "ExpIorer %1 %*"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- 1208 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- 2500 = "3"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- 1208 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- 2500 = "3"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- 1208 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- 2500 = "3"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- 1208 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- 2500 = "3"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- 1208 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- 2500 = "3"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced
- EnableBalloonTips = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
- EnableBalloonTips = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU
- NoAutoUpdate = "1"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List
- %windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List
- %windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
- %windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List
- %windir%\system32\winav.exe = "%windir%\system32\winav.exe:*:Enabled:@xpsp2res.dll,-22019"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- Enable Browser Extensions = "yes"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- Search Bar = "http://www.{BLOCKED}e.com/ie"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{ABCDECF0-4B15-11D1-ABED-709549C10000}\InprocServer32
- ThreadingModel = "Apartment"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{ABCDECEF-4B15-11D1-ABED-709549C10000}\TypeLib
- Version = "1.0"
Step 7
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
- AppInit_DLLs = "hanonvt.ini"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- 1200 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- From: 1201 = "0"
To: 1201 = ""1""
- From: 1201 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- 1608 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0
- 1804 = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- 1200 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- From: 1201 = "0"
To: 1201 = ""3""
- From: 1201 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- 1608 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1
- From: 1804 = "1"
To: 1804 = ""1""
- From: 1804 = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- 1200 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- From: 1201 = "0"
To: 1201 = ""1""
- From: 1201 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- 1608 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2
- 1804 = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- 1200 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- From: 1201 = "0"
To: 1201 = ""3""
- From: 1201 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- 1608 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
- From: 1804 = "1"
To: 1804 = ""1""
- From: 1804 = "1"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- From: 1200 = "0"
To: 1200 = ""3""
- From: 1200 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- From: 1201 = "0"
To: 1201 = ""3""
- From: 1201 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- From: 1608 = "0"
To: 1608 = ""3""
- From: 1608 = "0"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4
- From: 1804 = "1"
To: 1804 = ""3""
- From: 1804 = "1"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- From: Search Page = "http://www.{BLOCKED}e.com"
To: Search Page = ""http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch""
- From: Search Page = "http://www.{BLOCKED}e.com"
- In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
- From: Start Page = "http://www.{BLOCKED}e.com"
To: Start Page = ""http://www.microsoft.com/isapi/redir.dll?prd=ie&pver=6&ar=msnhome""
- From: Start Page = "http://www.{BLOCKED}e.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main
- From: Default_Search_URL = "http://www.{BLOCKED}e.com/ie"
To: Default_Search_URL = ""http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch""
- From: Default_Search_URL = "http://www.{BLOCKED}e.com/ie"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main
- From: Search Page = "http://www.{BLOCKED}e.com"
To: Search Page = ""http://www.microsoft.com/isapi/redir.dll?prd=ie&ar=iesearch""
- From: Search Page = "http://www.{BLOCKED}e.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main
- From: Start Page = "http://www.{BLOCKED}e.com"
To: Start Page = ""http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SUB_PVER}&ar=home""
- From: Start Page = "http://www.{BLOCKED}e.com"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
- appinit_dlls = "%System%\hanonvt.ini"
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
- From: Shell = "Explorer.exe %System%\printer.exe"
To: Shell = ""Explorer.exe""
- From: Shell = "Explorer.exe %System%\printer.exe"
Step 8
Search and delete these components
- %Windows%\ExpIorer.exe
- winavxx.exe
- hanonvt.ini
- vtr382.dll
- %System%\WinAvXX.exe
- %System%\printer.exe
- %User Startup%\system.exe
- %Common Startup%\autorun.exe
Step 9
Scan your computer with your Trend Micro product to delete files detected as WORM_RAYS.AO. 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.
Step 10
Restore deleted/modified files and/or registry entries from backup
*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- %System%\drivers\etc\hosts
Step 11
Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.
- %Windows%\1.tmp
Step 12
Restore these deleted registry keys/values from backup
*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.
- In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects
- {18DF081C-E8AD-4283-A596-FA578C2EBDC3}
Did this description help? Tell us how we did.