Win32.HLLW.Ressdt.101
Added to the Dr.Web virus database:
2013-03-28
Virus description added:
2013-04-08
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\sovhst.exe'
- [<HKLM>\SOFTWARE\Microsoft\Command Processor] 'autorun' = '<SYSTEM32>\sovhst.exe'
Malicious functions:
Creates and executes the following:
- <SYSTEM32>\sovhst.exe
- <SYSTEM32>\svohost.exe
- <SYSTEM32>\conmie.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\sovhst.exe
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\new[1].rar
- <SYSTEM32>\sufost.ini
- <SYSTEM32>\conmie.exe
- <SYSTEM32>\HLQQ2.exe
- <SYSTEM32>\discard.ini
Deletes the following files:
Moves the following files:
- from <SYSTEM32>\HLQQ2.exe to <SYSTEM32>\svohost.exe
Deletes itself.
Network activity:
Connects to:
- 'localhost':1038
- 'qq###3.com.cn':80
TCP:
HTTP GET requests:
- qq###3.com.cn/new.rar
- qq###3.com.cn/hailiang.asp?ac################################################################################################
UDP:
Miscellaneous:
Searches for the following windows:
- ClassName: '' WindowName: '????????????'
- ClassName: 'Afx:400000:0' WindowName: ''
- ClassName: 'NotifyWnd' WindowName: ''
- ClassName: 'ATL:020943B0' WindowName: ''
- ClassName: '' WindowName: '????????'
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: 'QQnew'
- ClassName: '#32770' WindowName: ''
- ClassName: '' WindowName: 'biaoji'
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