Win32.HLLW.Autoruner1.58148
Added to the Dr.Web virus database:
2013-10-10
Virus description added:
2013-10-11
Technical Information
To ensure autorun and distribution:
Infects the following executable system files:
Substitutes the following executable system files:
- <SYSTEM32>\dllcache\beep.sys with <SYSTEM32>\dllcache\beep.sys.new
Creates the following files on removable media:
- <Drive name for removable media>:\AUTORUN.INF
- <Drive name for removable media>:\explorer.pif
Malicious functions:
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\cacls.exe' <DRIVERS>\npf.sys /e /p everyone:f
- '<SYSTEM32>\cacls.exe' <SYSTEM32>\npptools.dll /e /p everyone:f
- '<SYSTEM32>\net1.exe' stop "Norton AntiVirus Server"
- '<SYSTEM32>\cacls.exe' <SYSTEM32>\wpcap.dll /e /p everyone:f
- '<SYSTEM32>\cacls.exe' %ALLUSERSPROFILE%\ЎёїЄКјЎ№ІЛµҐ\іМРт\Жф¶Ї /e /p everyone:f
- '%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://www.ba##uoo.com/tj.htm
- '<SYSTEM32>\cacls.exe' <SYSTEM32>\wanpacket.dll /e /p everyone:f
- '<SYSTEM32>\cacls.exe' <DRIVERS>\acpidisk.sys /e /p everyone:f
- '<SYSTEM32>\net1.exe' stop KPfwSvc
- '<SYSTEM32>\net.exe' stop KWhatchsvc
- '<SYSTEM32>\net1.exe' stop McShield
- '<SYSTEM32>\cacls.exe' <SYSTEM32>\packet.dll /e /p everyone:f
- '<SYSTEM32>\net.exe' stop McShield
- '<SYSTEM32>\net.exe' stop "Norton AntiVirus Server"
- '<SYSTEM32>\cacls.exe' <SYSTEM32>\pthreadVC.dll /e /p everyone:f
- '<SYSTEM32>\net.exe' stop KPfwSvc
- '<SYSTEM32>\net1.exe' stop KWhatchsvc
Terminates or attempts to terminate
the following user processes:
Restores hooked functions in System Service Descriptor Table (SSDT).
Modifies file system :
Creates the following files:
- C:\explorer.pif
- C:\AUTORUN.INF
- %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\tj[1].htm
- <SYSTEM32>\wuauc1t.exe
- <SYSTEM32>\syurl.dll
- <SYSTEM32>\winpp1.pif
- %PROGRAM_FILES%\Internet Explorer\xpsp2res.dll
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\AUTORUN.INF
- C:\AUTORUN.INF
- <Full path to virus>
Deletes the following files:
- %PROGRAM_FILES%\Internet Explorer\xpsp2res.dll
Network activity:
Connects to:
- 'www.ba##uoo.com':80
- 'localhost':1037
TCP:
UDP:
Miscellaneous:
Searches for the following windows:
- ClassName: 'MS_AutodialMonitor' WindowName: '(null)'
- ClassName: 'MS_WebcheckMonitor' WindowName: '(null)'
- ClassName: '' WindowName: '(null)'
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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