Win32.HLLW.Autoruner.53331
Added to the Dr.Web virus database:
2011-07-06
Virus description added:
2011-07-06
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'WII¶e”en–µO' = '%APPDATA%\SII¶2”is–.exe.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'WII¶e”en–µO' = '%APPDATA%\SII¶2”is–.exe.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ConfHost' = '%APPDATA%\NetMeeting\confhost.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Svchosted.exe
Malicious functions:
Creates and executes the following:
- %APPDATA%\NetMeeting\confhost.exe
Executes the following:
- <SYSTEM32>\reg.exe ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "ConfHost" /t REG_SZ /d "%APPDATA%\NetMeeting\confhost.exe" /f
- <SYSTEM32>\cmd.exe /c """%TEMP%\lxrQE.bat"" "
Modifies file system :
Creates the following files:
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\m–µOa[1]
- %APPDATA%\lovely.ini
- %APPDATA%\SII¶2”is–.exe.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\m–µOa[2]
- %TEMP%\lxrQE.bat
- %TEMP%\lxrQE.txt
- %APPDATA%\NetMeeting\confhost.exe
- %APPDATA%\NetMeeting\confhost.txt
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Svchosted.exe
Deletes the following files:
- %APPDATA%\NetMeeting\confhost.txt
- %TEMP%\lxrQE.bat
- %TEMP%\lxrQE.txt
Network activity:
Connects to:
- 'localhost':1037
- 'ht###.localdomain':80
TCP:
HTTP GET requests:
- ht###.localdomain//m??O###################################################
- ht###.localdomain//m??O#########################################
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
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