Win32.HLLW.Autoruner1.35298
Added to the Dr.Web virus database:
2013-04-18
Virus description added:
2013-04-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'giuwuh' = '%HOMEPATH%\giuwuh.exe /j'
Creates the following files on removable media:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\RCX3.tmp
- <Drive name for removable media>:\RCX2.tmp
- <Drive name for removable media>:\RCX6.tmp
- <Drive name for removable media>:\RCX5.tmp
- <Drive name for removable media>:\RCX4.tmp
- <Drive name for removable media>:\Secret.exe
- <Drive name for removable media>:\giuwuh.exe
- <Drive name for removable media>:\autorun.inf
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\RCX1.tmp
- <Drive name for removable media>:\Sexy.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
Executes the following:
- '<SYSTEM32>\wbem\wmiadap.exe' /R /T
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\giuwuh.exe
- <Drive name for removable media>:\autorun.inf
- %HOMEPATH%\giuwuh.exe
Deletes the following files:
- <Drive name for removable media>:\Passwords.exe
- <Drive name for removable media>:\Porn.exe
- <Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
- 'ns#.##ayer1352.com':8000
UDP:
- DNS ASK ns#.##ayer1352.com
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''
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