Win32.HLLW.Autoruner1.63136
Added to the Dr.Web virus database:
2013-12-08
Virus description added:
2013-12-20
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Avirnt' = ''
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{C72JB736-MBBO-M7Q5-2M4U-E1O6HXRL3233}] 'StubPath' = '%APPDATA%\System32\svchost.exe Restart'
- [<HKLM>\SOFTWARE\Microsoft\Active Setup\Installed Components\{C72JB736-MBBO-M7Q5-2M4U-E1O6HXRL3233}] 'StubPath' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run] 'Policies' = ''
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run] 'Policies' = ''
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Avgnt' = ''
Malicious functions:
Creates and executes the following:
- '%APPDATA%\System32\svchost.exe'
Injects code into
the following system processes:
Modifies file system :
Creates the following files:
- %TEMP%\XxX.xXx
- %TEMP%\UuU.uUu
- %APPDATA%\logs.dat
- %APPDATA%\System32\svchost.exe
- %TEMP%\XX--XX--XX.txt
Sets the 'hidden' attribute to the following files:
- %APPDATA%\logs.dat
- %APPDATA%\System32\svchost.exe
Deletes the following files:
- %TEMP%\UuU.uUu
- %TEMP%\XxX.xXx
- <SYSTEM32>\svchost.exe
- %TEMP%\XX--XX--XX.txt
Network activity:
Connects to:
- 'm3##.no-ip.org':50552
- 'm3##.no-ip.org':50551
- 'm3##.no-ip.biz':50551
- 'm3##.no-ip.org':50553
- 'm3##.no-ip.info':50553
- 'm3##.no-ip.biz':50553
- 'm3##.no-ip.biz':50552
- 'm3##.no-ip.info':50552
- 'm3##.no-ip.info':50551
UDP:
- DNS ASK m3##.no-ip.org
- DNS ASK m3##.no-ip.info
- DNS ASK m3##.no-ip.biz
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
- ClassName: 'Indicator' WindowName: '(null)'
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