Win32.HLLW.Autoruner.9662
Added to the Dr.Web virus database:
2012-09-08
Virus description added:
2012-09-29
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'Explorer.exe %CommonProgramFiles%\Microsoft\CTHELPER.EXE'
Malicious functions:
Creates and executes the following:
- %CommonProgramFiles%\CTHELPER.EXE
Modifies file system :
Creates the following files:
- %CommonProgramFiles%\res\tc2.tmp
- %CommonProgramFiles%\res\tc3.tmp
- %CommonProgramFiles%\com.run
- %CommonProgramFiles%\res\tc1.tmp
- %CommonProgramFiles%\onceagain.sc
- %CommonProgramFiles%\Microsoft\cVer.ini
- %CommonProgramFiles%\res\tc4.tmp
- %CommonProgramFiles%\mi.g
- %CommonProgramFiles%\krnln.fnr
- <Current directory>\res\fz2.tmp
- %CommonProgramFiles%\Microsoft\Storeymyadmin.exe
- %TEMP%\E_4\krnln.fnr
- <Current directory>\res\fz1.tmp
- %TEMP%\E_4\com.run
- %CommonProgramFiles%\Storeymyadmin.exe
- %CommonProgramFiles%\Microsoft\krnln.fnr
- %CommonProgramFiles%\Microsoft\com.run
Sets the 'hidden' attribute to the following files:
- %CommonProgramFiles%\onceagain.sc
Network activity:
Connects to:
TCP:
HTTP GET requests:
- do###.alibaba99.com/pzgame032.asp
UDP:
- DNS ASK do###.alibaba99.com
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