Win32.HLLW.Autoruner.41151
Added to the Dr.Web virus database:
2011-01-01
Virus description added:
2014-06-23
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /r'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /b'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /I'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /x'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /u'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /J'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /S'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /L'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /k'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /F'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /Y'
- [<HKLM>\SYSTEM\ControlSet001\Control\Print\Providers\3863931848] 'Name' = '%TEMP%\2.tmp'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /M'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /h'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /e'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /Z'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /o'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /t'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /q'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /N'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /a'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /G'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /D'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /w'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /V'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vkheop' = '%HOMEPATH%\vkheop.exe /C'
Creates the following files on removable media:
- <Drive name for removable media>:\Pictures.lnk
- <Drive name for removable media>:\Documents.lnk
- <Drive name for removable media>:\Video.lnk
- <Drive name for removable media>:\Music.lnk
- <Drive name for removable media>:\Passwords.lnk
- <Drive name for removable media>:\vkheop.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\New Folder.lnk
- <Drive name for removable media>:\vkheopx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
- '%HOMEPATH%\ctlop.exe'
- '%HOMEPATH%\dtlop.exe'
- '%HOMEPATH%\btlop.exe'
- '%HOMEPATH%\atlop.exe'
- '%HOMEPATH%\vkheop.exe'
Executes the following:
- '<SYSTEM32>\cmd.exe' /c ""%HOMEPATH%\a.bat" "
- '<SYSTEM32>\cmd.exe' /c ""%TEMP%\7ZSfx000.cmd" "
- '<SYSTEM32>\tasklist.exe'
- '<SYSTEM32>\svchost.exe'
Injects code into
the following system processes:
- <SYSTEM32>\svchost.exe
- <SYSTEM32>\spoolsv.exe
the following user processes:
- firefox.exe
- iexplore.exe
- safari.exe
- msnmsgr.exe
- ICQ.exe
- YahooMessenger.exe
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1400' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1601' = '00000000'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] 'currentlevel' = '00000000'
Modifies file system :
Creates the following files:
- %TEMP%\Aqz..bat
- %HOMEPATH%\a.bat
- %TEMP%\1.tmp
- %TEMP%\7ZSfx000.cmd
- %WINDIR%\Temp\3.tmp
- %HOMEPATH%\btlop.exe
- %HOMEPATH%\atlop.exe
- %HOMEPATH%\ctlop.exe
- %HOMEPATH%\vkheop.exe
- %HOMEPATH%\dtlop.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\vkheop.exe
- <Drive name for removable media>:\vkheopx.exe
- %HOMEPATH%\vkheop.exe
- <Drive name for removable media>:\autorun.inf
Deletes the following files:
- %TEMP%\2.tmp
- %WINDIR%\Temp\3.tmp
- %TEMP%\7ZSfx000.cmd
- %HOMEPATH%\atlop.exe
- %HOMEPATH%\btlop.exe
- %HOMEPATH%\ctlop.exe
Moves the following files:
- from %HOMEPATH%\dtlop.exe to %TEMP%\4.tmp
- from %TEMP%\1.tmp to %TEMP%\2.tmp
Deletes itself.
Network activity:
Connects to:
UDP:
- DNS ASK ta##hare.in
- DNS ASK mo##lla.com
- DNS ASK ra###share.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'SkinuxWindow' WindowName: 'MySpaceIM with Skype'
- ClassName: 'Indicator' WindowName: '(null)'
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