Win32.HLLW.Autoruner.2923
Added to the Dr.Web virus database:
2012-08-09
Virus description added:
2012-08-30
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>:\MSKS.PIF
Malicious functions:
Creates and executes the following:
Executes the following:
- <SYSTEM32>\net1.exe stop "Norton AntiVirus Server"
- <SYSTEM32>\cacls.exe <SYSTEM32>\packet.dll /e /p everyone:f
- <SYSTEM32>\cacls.exe <SYSTEM32>\pthreadVC.dll /e /p everyone:f
- <SYSTEM32>\net.exe stop "Norton AntiVirus Server"
- <SYSTEM32>\net1.exe stop "Symantec AntiVirus Definition Watcher"
- <SYSTEM32>\net1.exe stop "McAfee Framework ·юОс"
- <SYSTEM32>\cacls.exe <DRIVERS>\acpidisk.sys /e /p everyone:f
- <SYSTEM32>\cacls.exe <SYSTEM32>\wanpacket.dll /e /p everyone:f
- <SYSTEM32>\cacls.exe %ALLUSERSPROFILE%\ЎёїЄКјЎ№ІЛµҐ\іМРт\Жф¶Ї /e /p everyone:f
- <SYSTEM32>\cacls.exe <SYSTEM32>\wpcap.dll /e /p everyone:f
- <SYSTEM32>\cacls.exe <DRIVERS>\npf.sys /e /p everyone:f
- <SYSTEM32>\cacls.exe <SYSTEM32>\npptools.dll /e /p everyone:f
- <SYSTEM32>\net1.exe stop McShield
- <SYSTEM32>\net.exe stop "Symantec AntiVirus"
- <SYSTEM32>\net1.exe stop KWhatchsvc
- <SYSTEM32>\net.exe stop McShield
- <SYSTEM32>\net.exe stop KWhatchsvc
- <SYSTEM32>\net.exe stop KPfwSvc
- <SYSTEM32>\net1.exe stop "Symantec AntiVirus"
- <SYSTEM32>\net.exe stop "McAfee Framework ·юОс"
- <SYSTEM32>\net1.exe stop "Symantec AntiVirus Drivers Services"
- <SYSTEM32>\net.exe stop "Symantec AntiVirus Drivers Services"
- <SYSTEM32>\net1.exe stop KPfwSvc
- <SYSTEM32>\net.exe stop "Symantec AntiVirus Definition Watcher"
Terminates or attempts to terminate
the following user processes:
Modifies file system :
Creates the following files:
- <SYSTEM32>\explorer.exe
- C:\MSKS.PIF
- C:\AUTORUN.INF
- <SYSTEM32>\wauc11.exe
- <SYSTEM32>\113.pif
- <SYSTEM32>\dllcache\beep.sys.new
- <SYSTEM32>\MFCN4212d.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:
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: ''
- ClassName: '' WindowName: ''
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