Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'load' = '%WINDIR%\system\scvhsot.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'load' = '%WINDIR%\system\scvhsot.exe'
Creates or modifies the following files:
- %WINDIR%\Tasks\SA.DAT
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorunx.exe
Malicious functions:
Creates and executes the following:
- C:\Documents and Settings\6.exe (downloaded from the Internet)
- C:\Documents and Settings\5.exe (downloaded from the Internet)
- C:\Documents and Settings\8.exe (downloaded from the Internet)
- C:\Documents and Settings\7.exe (downloaded from the Internet)
- C:\Documents and Settings\2.exe (downloaded from the Internet)
- C:\Documents and Settings\1.exe (downloaded from the Internet)
- C:\Documents and Settings\4.exe (downloaded from the Internet)
- C:\Documents and Settings\3.exe (downloaded from the Internet)
Executes the following:
- <SYSTEM32>\net1.exe start Schedule
- <SYSTEM32>\at.exe 17:24 cmd /c copy "<Full path to virus>" "%WINDIR%\system\scvhsot.exe"
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
Modifies file system :
Creates the following files:
- %TEMP%\3461.txt
- %WINDIR%\WinSxS\5.exe
- C:\Documents and Settings\6.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\6[1].exe
- %WINDIR%\WinSxS\4.exe
- C:\Documents and Settings\4.exe
- C:\Documents and Settings\5.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\5[1].exe
- %WINDIR%\WinSxS\6.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\mimi[1].exe
- %TEMP%\10522.txt
- %WINDIR%\WinSxS\8.exe
- C:\Documents and Settings\8.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\gogo[1].exe
- %TEMP%\15714.txt
- %WINDIR%\WinSxS\7.exe
- C:\Documents and Settings\7.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\SL6TKFAX\4[1].exe
- %TEMP%\20265.txt
- %TEMP%\6108.txt
- C:\Documents and Settings\1.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\69I9OPW5\1[1].exe
- %TEMP%\3657.txt
- %WINDIR%\system\scvhsot.exe
- %TEMP%\17119.txt
- %TEMP%\32644.txt
- %WINDIR%\WinSxS\1.exe
- %TEMP%\23435.txt
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\ULU3YH2D\3[1].exe
- %WINDIR%\WinSxS\3.exe
- C:\Documents and Settings\3.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\0D6B6PI5\2[1].exe
- %TEMP%\3106.txt
- %WINDIR%\WinSxS\2.exe
- C:\Documents and Settings\2.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\autorunx.exe
Network activity:
Connects to:
- 'localhost':1055
- '22#.#22.72.241':80
- '<Private IP address>':139
- '<Private IP address>':445
- '<Private IP address>':80
TCP:
HTTP GET requests:
- 22#.#22.72.241/meiren/ma/6.exe
- 22#.#22.72.241/meiren/ma/5.exe
- 22#.#22.72.241/meiren/kl/mimi.exe
- 22#.#22.72.241/meiren/gz/gogo.exe
- 22#.#22.72.241/meiren/ma/2.exe
- 22#.#22.72.241/meiren/ma/1.exe
- 22#.#22.72.241/meiren/ma/4.exe
- 22#.#22.72.241/meiren/ma/3.exe
UDP:
- DNS ASK 4.###.##8.192.in-addr.arpa
- DNS ASK 3.###.##8.192.in-addr.arpa
- DNS ASK 2.###.##8.192.in-addr.arpa
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_WebcheckMonitor' WindowName: ''
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: 'IEFrame' WindowName: ''
- ClassName: 'Indicator' WindowName: ''
- ClassName: '' WindowName: ''
- ClassName: 'MS_AutodialMonitor' WindowName: ''
